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Honeywell T9 vs ecobee4: 123 Highlights & 28 Differences — So, Which Thermostats Actually Works Better

Get an overview of smart features on Honeywell T9 and ecobee4. Comparing sensors, connectivity, and voice controls to guide your decision. Not sure which thermostats is the better fit? This thermostats comparison puts Honeywell T9 vs ecobee4 side by side — starting from depth, mounting type, wall plate & detachable unit to what users love.

69 Points
Honeywell
Honeywell
Honeywell T9
Honeywell T9
67 Points
ecobee
ecobee
ecobee4
ecobee4
vs

Highlights 151

No extras. Just what matters.
69 Points
vs
67 Points

Why is Honeywell T9 better than ecobee4 ?

Scroll down for more facts

Honeywell T9 vs ecobee4: A Smart Thermostat Showdown

When diving into the world of smart thermostats, the Honeywell T9 and the ecobee4 stand out as prominent contenders, offering smart home enthusiasts effective climate control solutions. Both devices share foundational features such as voice assistant compatibility, remote sensor support, adaptive scheduling, and cloud connectivity, ensuring modern convenience in managing home temperature and energy usage.

Yet, the differences between these thermostats highlight varied user priorities: Honeywell T9 targets users seeking simplicity and affordability with solid core functions and manual scheduling. In contrast, ecobee4 appeals to tech-savvy users who want precision sensors, guided scheduling, and broader HVAC system compatibility for a more refined and customizable smart home experience. Both units are wall-mounted, boast adjustable brightness on their 3.5-inch displays, and support IFTTT automation, demonstrating their shared commitment to versatility and ease of use.

Honeywell T9: Solid Performance with Budget-Friendly Appeal

The Honeywell T9 smart thermostat distinguishes itself through its cost-effective approach without skimping on important features. Designed for residential use and manufactured in the US, this model comes with user-friendly installation supported by its included wall plate and a slim profile with a depth of just 0.94 inches, making it less intrusive on your wall surface. Its power source relies on AA batteries, providing up to 12 months of battery life; a practical advantage for those wanting minimal maintenance. With a low-voltage HVAC system compatibility, including boilers and gas furnaces, it suits a variety of traditional heating and cooling setups.

Its scheduling is manual but adaptive, allowing users to make straightforward adjustments while the system learns over time. The Honeywell T9 also supports motion detection with remote sensors to optimize heating and cooling based on occupancy, alongside an operating humidity range of 5-90%. Its child lock, control lock, and tamper-resistant design features contribute additional peace of mind in family environments. Lastly, this thermostat's affordability, hovering around $144.99 at Amazon.com, makes it highly accessible for budget-conscious buyers seeking essential smart capabilities.

ecobee4: Smart Precision and Customization for the Tech Enthusiast

Stepping up the game, the ecobee4 is tailored for users who demand more from their smart thermostat system. Manufactured in Canada and also focused on residential setups, its larger depth of 3.23 inches accommodates advanced hardware, including precision sensors that outperform standard accuracy. The ecobee4 supports a wider variety of HVAC system types, including central, split, and packaged systems, expanding its installation possibilities. It excels with a broader operating humidity range of 5-95%, ensuring reliable performance even in more humid climates. One of the standout advantages of ecobee4 is its API access, granting tech-savvy users customization options that go beyond typical cloud connectivity.

Furthermore, the guided scheduling system helps less experienced users generate efficient heating and cooling routines, combining ease of use with intelligent automation. Though it lacks battery dependency, operating on 24 VAC, it maintains seamless power failure recovery and standard 1-watt standby power. The ecobee4 also offers excellent data tracking and smart home scene integration, rounding out a package that justifies its premium price of approximately $299.99 at Amazon.com.

Quick Take

The Honeywell T9 shines with its affordability, simple manual scheduling, and long battery life that provides hassle-free use, making it a solid pick for anyone seeking dependable smart thermostat features without overspending. In contrast, the ecobee4 brings smarter sensor technology, advanced API customization, and a guided scheduling process designed for those who want fine-tuned control and a seamless smart home experience.

Bottom Line

If your priority lies in budget-friendly, reliable, and straightforward home temperature management, the Honeywell T9 is a smart choice, delivering good performance with essential sensor support. However, if you're eager to embrace a feature-rich thermostat with precision sensors, broader HVAC compatibility, and stronger integration capabilities, and you don't mind paying a premium, the ecobee4 stands out as the superior option for tailored smart home automation.

Verdict

  • Winner: ecobee4 - Due to its superior sensor precision, API access, wide HVAC system compatibility, and guided scheduling that caters to advanced users.
  • Runner-up: Honeywell T9 - Offers great value with reliable features, easy installation, and longer battery life for the budget-conscious consumer.

Comparisons 19

Two enter. One leaves your cart.

Related comparisons 19

Because one duel is never enough.

Comparisons & Facts 151

Side by side. The numbers. The features. No drama.

Trying to choose between Honeywell T9 and ecobee4? This versus breakdown covers everything — specs, pros and cons, pricing, what users like (and don’t), and which thermostats makes more sense for your needs and budget.

General Information 17

Intended Use

What is the intended use of this thermostat?

35 Honeywell T9 0 Votes Residential

34 ecobee4 0 Votes Residential

Honeywell T9
vs
ecobee4
Intended Use

Honeywell T9 and ecobee4 are designed primarily for Residential use. Both thermostats fit well for homeowners seeking smart temperature control, making them ideal choices for residential installations.

Specifies the primary usage environment.

Voice Assistant

Does it support voice assistants?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Honeywell T9
vs
ecobee4
Voice Assistant

Both Honeywell T9 and ecobee4 include built-in voice assistants, enhancing hands-free convenience. Users wanting voice control will find this feature available on both models, so either would be suitable for smart home voice integration.

Indicates compatibility with voice assistants.

Color

What color is the thermostat?

35 Honeywell T9 0 Votes White

34 ecobee4 0 Votes White

Honeywell T9
vs
ecobee4
Color

Both Honeywell T9 and ecobee4 thermostats come in White color. This makes them equally versatile and neutral for various home decors. If color choice is a deciding factor, both are suitable as they share the same classic color.

Indicates the exterior color of the thermostat for visual and aesthetic matching.

Country of Manufacture

Where is this thermostat manufactured?

75 Honeywell T9 0 Votes US

69 ecobee4 0 Votes CA

Honeywell T9
vs
ecobee4
Country of Manufacture

Honeywell T9 is manufactured in the US while ecobee4 is made in Canada. Those preferring products manufactured in the US might lean towards Honeywell T9. Otherwise, both reflect reliable North American manufacturing standards.

Indicates the country where the thermostat is manufactured or assembled.

Thermostat Category

What category of thermostat is this?

95 Honeywell T9 0 Votes Smart

94 ecobee4 0 Votes Smart

Honeywell T9
vs
ecobee4
Thermostat Category

Both Honeywell T9 and ecobee4 are categorized as Smart thermostats. This ensures access to advanced features like remote control and scheduling in either device, making both appropriate for users wanting smarter home temperature management.

Indicates the functional category of the thermostat.

Product Type

What type of product is this?

15 Honeywell T9 0 Votes Thermostat

14 ecobee4 0 Votes Thermostat

ecobee4
ecobee4

Classified as a Thermostat, specifically engineered to regulate and maintain indoor temperature environments.

Defines the core product classification.

Control Method

How do you control this thermostat?

95 Honeywell T9 0 Votes Voice

84 ecobee4 0 Votes App

ecobee4
ecobee4

The primary control method is via a mobile App allowing easy configuration and remote operation from smartphones.

Explains how users interact with the thermostat.

Programmability Type

What type of programmability does it support?

45 Honeywell T9 0 Votes 7-Day

44 ecobee4 0 Votes 7-Day

ecobee4
ecobee4

Programmability Type is 7-Day, allowing independent scheduling for each day of the week for tailored temperature control.

Defines scheduling and automation capability.

Mobile App

Can it be controlled using a mobile app?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

ecobee4
ecobee4

Mobile App support allows remote monitoring and controlling of the thermostat from a smartphone or tablet device.

Confirms whether the thermostat can be controlled via mobile app.

User Interface Type

What type of user interface does it have?

95 Honeywell T9 0 Votes Touchscreen

94 ecobee4 0 Votes Touchscreen

ecobee4
ecobee4

Equipped with a Touchscreen user interface, providing intuitive and easy operation via direct screen interaction.

Describes the primary interface design.

Installation Location

Where can this thermostat be installed?

45 Honeywell T9 0 Votes Indoor

44 ecobee4 0 Votes Indoor

Describes where the thermostat is designed to be installed.

Smart Thermostat

Is this a smart thermostat?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Indicates whether the thermostat has smart connectivity features.

Physical & Installation 17

Depth

What is the depth of the thermostat?

0.94 inch 0 Votes
Honeywell T9
3.23 inch 1 Votes
ecobee4

Honeywell T9
vs
ecobee4
Depth

Honeywell T9 has a slim depth of 0.94 inches, whereas ecobee4 is thicker at 3.23 inches. Honeywell T9's slimmer profile may be more attractive for those seeking a less obtrusive thermostat on their walls.

Measures how far the thermostat protrudes from the wall.

The smaller depth of the ecobee4 makes it less bulky in my hallway much better for the look

See more

Mounting Type

How is the thermostat mounted?

45 Honeywell T9 0 Votes Wall-Mounted

44 ecobee4 0 Votes Wall-Mounted

Honeywell T9
vs
ecobee4
Mounting Type

Both thermostats mount on the wall, supporting a seamless installation process. Honeywell T9 and ecobee4 users can expect standard wall-mounted setups, suitable for most home HVAC configurations.

Specifies how the thermostat is mounted.

Wall Plate

Is a wall plate included?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Honeywell T9
vs
ecobee4
Wall Plate

Wall plates are included with both Honeywell T9 and ecobee4, facilitating a clean and professional-looking installation. Users choosing either thermostat benefit equally from this installation accessory.

Indicates whether a wall plate is included.

Detachable Unit

Is the unit detachable?

No 0 Votes Honeywell T9

No 0 Votes ecobee4

Honeywell T9
vs
ecobee4
Detachable Unit

Neither Honeywell T9 nor ecobee4 feature a detachable unit. Both units are designed as integrated devices, which may affect ease of upgrade or part replacement similarly.

Shows if the unit can be detached from base.

Wiring Requirement

What wiring is required for this thermostat?

75 Honeywell T9 0 Votes C-Wire

64 ecobee4 0 Votes C-Wire, Low Voltage

Honeywell T9
Honeywell T9

The thermostat requires a C-Wire for operation, which is common for smart thermostats to provide continuous power.

ecobee4
ecobee4

This thermostat requires a C-Wire and Low Voltage wiring for power and control signals, common in modern HVAC systems.

Specifies the wiring configuration required for proper installation.

Installation Difficulty Level

How difficult is installation?

45 Honeywell T9 0 Votes Moderate

44 ecobee4 0 Votes Moderate

Honeywell T9
Honeywell T9

Installation difficulty is Moderate, suggesting some technical knowledge or professional assistance might be needed.

ecobee4
ecobee4

Installation Difficulty Level is Moderate, suggesting that professional installation might be recommended for optimal setup.

Rates how complex installation is.

Surface Mount

Does it support surface mounting?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Honeywell T9
Honeywell T9

Surface Mount design is employed, allowing the thermostat to be mounted directly on a wall surface without requiring recessed installation.

ecobee4
ecobee4

Surface Mount installation is possible, securing the thermostat on flat wall surfaces without recessing.

Indicates surface mount compatibility.

Width

What is the width of the thermostat?

3.7 inch 0 Votes
Honeywell T9
7.56 inch 0 Votes
ecobee4

ecobee4
ecobee4

The thermostat's width is 7.56 inch which converts to approximately 19.2 cm.

Indicates the horizontal size of the thermostat.

Weight

How much does the thermostat weigh?

0.45 lbs 0 Votes
Honeywell T9
2.01 lbs 0 Votes
ecobee4

Honeywell T9
Honeywell T9

The thermostat weighs 0.45 lbs (approximately 0.20 kg), making it lightweight and easy to handle during installation.

Shows how heavy the thermostat unit is.

Trim Plate Compatibility

Is it compatible with trim plates?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

ecobee4
ecobee4

Trim Plate Compatibility means the thermostat can be installed with trim plates to cover wall imperfections and improve appearance.

Shows if trim plates can be added for coverage.

Installation Orientation

What orientation can it be installed in?

45 Honeywell T9 0 Votes Portrait

44 ecobee4 0 Votes Portrait

ecobee4
ecobee4

The device is designed for Portrait installation orientation which influences display and mounting configuration.

Defines allowed mounting orientation.

Installation Accessories

Are installation accessories included?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

ecobee4
ecobee4

Installation Accessories are included or supported to facilitate easier setup and mounting.

Confirms inclusion of mounting hardware.

Display & Controls 18

Display Size

How large is the display?

3.5 inch 0 Votes
Honeywell T9
3.5 inch 0 Votes
ecobee4

Honeywell T9
vs
ecobee4
Display Size

Both Honeywell T9 and ecobee4 have a display size of 3.5 inches. This size offers a balanced view of information, making either thermostat suitable for clear readability.

Indicates the diagonal size of the display.

Adjustable Brightness

Can you adjust the brightness?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Honeywell T9
vs
ecobee4
Adjustable Brightness

Both thermostats allow adjustable brightness, enabling users to customize the screen visibility according to ambient light. Honeywell T9 and ecobee4 provide this comfort feature equally.

Allows users to change screen brightness.

Proximity Activation

Does the display activate by proximity?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Honeywell T9
vs
ecobee4
Proximity Activation

Both Honeywell T9 and ecobee4 offer proximity activation, allowing the display to light up upon approach. This convenient feature is equally effective on both devices for quick temperature or setting checks.

Activates the screen when someone approaches.

Control Lock

Is there a control lock feature?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Honeywell T9
vs
ecobee4
Control Lock

Control lock is supported by both Honeywell T9 and ecobee4, allowing users to prevent unwanted changes to settings. Ideal for maintaining consistent home climate control, both models provide this security feature.

Prevents unauthorized setting changes.

Child Lock

Does it have a child lock?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Honeywell T9
vs
ecobee4
Child Lock

Child lock features are included on both Honeywell T9 and ecobee4, enhancing safety for homes with children by preventing unauthorized control changes. Both thermostats are equally suitable for family safety.

Prevents accidental changes by children.

Display Type

What type of display does it use?

35 Honeywell T9 0 Votes LCD

34 ecobee4 0 Votes LCD

ecobee4
ecobee4

The display type is LCD, providing clear visual feedback for settings and status.

Defines the underlying display technology.

Touchscreen

Does it have a touchscreen?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

ecobee4
ecobee4

Touchscreen interface allows intuitive navigation and control using finger taps and swipes.

Shows whether touch input is supported.

Backlight

Is the display backlit?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

ecobee4
ecobee4

Backlight is present to improve display visibility in low light conditions.

Indicates if the display is backlit.

Color Display

Is it a color display?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

ecobee4
ecobee4

Color Display enhances the user interface with colored visuals and easier readability.

Indicates support for multiple colors on screen.

Always-On Display

Is the display always on?

No 0 Votes Honeywell T9

Yes 0 Votes ecobee4

ecobee4
ecobee4

Always-On Display keeps essential information visible on the screen at all times without needing interaction.

Shows key info without waking the device.

Display Orientation

What is the display orientation?

45 Honeywell T9 0 Votes Portrait

44 ecobee4 0 Votes Portrait

ecobee4
ecobee4

The display orientation is Portrait, matching the device physical layout and user interaction design.

Defines how the screen is oriented.

Display Customization

Can the display be customized?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

ecobee4
ecobee4

Display Customization feature offers personalization options for screen appearance such as themes or layout.

Allows users to customize on-screen info.

Connectivity & Smart Features 17

API Access

Is API access available?

No 0 Votes Honeywell T9

Yes 1 Votes ecobee4

Honeywell T9
vs
ecobee4
API Access

Honeywell T9 does not provide API access, whereas ecobee4 does. This makes ecobee4 more suitable for tech-savvy users who want to integrate or customize smart home setups programmatically.

Indicates availability of developer APIs.

API Access on ecobee4 adds some nice customization options that I can't get with Honeywell T9

See more

Zigbee

Does it support Zigbee?

No 0 Votes Honeywell T9

No 0 Votes ecobee4

Honeywell T9
vs
ecobee4
Zigbee

Neither Honeywell T9 nor ecobee4 include Zigbee support. Users needing Zigbee protocol integration should consider alternatives as both lack this feature.

Indicates compatibility with Zigbee networks.

Z-Wave

Does it support Z-Wave?

No 0 Votes Honeywell T9

No 0 Votes ecobee4

Honeywell T9
vs
ecobee4
Z-Wave

Neither Honeywell T9 nor ecobee4 support Z-Wave connectivity. If a user requires Z-Wave compatible devices, these models would not fulfill that need.

Indicates compatibility with Z-Wave systems.

Cloud Connectivity

Does it connect to the cloud?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Honeywell T9
vs
ecobee4
Cloud Connectivity

Cloud connectivity is available on both Honeywell T9 and ecobee4, enabling remote access and smart features via the internet. Users wanting remote temperature control will find both models equally capable.

Shows whether cloud services are used.

IFTTT

Is IFTTT supported?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Honeywell T9
vs
ecobee4
IFTTT

IFTTT integration is supported by both Honeywell T9 and ecobee4, enabling advanced automation with other smart devices. Users seeking flexible home automation will benefit equally from either thermostat.

Enables automation with third-party services.

Bluetooth Connectivity

Does it support Bluetooth?

Yes 0 Votes Honeywell T9

No 0 Votes ecobee4

Honeywell T9
Honeywell T9

Bluetooth Connectivity is included, allowing for quick setup or additional device interactions within short range.

Shows whether Bluetooth connectivity is available.

Remote Access

Can it be accessed remotely?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Honeywell T9
Honeywell T9

Remote Access is supported, allowing control of the thermostat from anywhere via a smartphone app or web platform. This feature provides convenience and flexibility in managing home temperature settings.

Allows control from outside the home.

Firmware Update Method

How are firmware updates performed?

84 Honeywell T9 0 Votes OTA

82 ecobee4 0 Votes OTA

Honeywell T9
Honeywell T9

Firmware updates are done over-the-air (OTA), enabling seamless software improvements without manual intervention.

Describes how firmware updates are applied.

Geofencing

Does it support geofencing?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Honeywell T9
Honeywell T9

Geofencing is enabled, allowing the thermostat to adjust settings based on the user's proximity to home, improving energy efficiency.

Adjusts settings based on user location.

Wi-Fi Connectivity

Does the thermostat support Wi-Fi connectivity?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Indicates whether the thermostat can connect to a Wi-Fi network for smart features and remote control.

Wi-Fi Band

Which Wi-Fi bands are supported?

55 Honeywell T9 0 Votes 2.4GHz, 5GHz

34 ecobee4 0 Votes 2.4GHz

Specifies supported Wi-Fi frequency bands.

Thread

Does it support Thread?

No 0 Votes Honeywell T9

No 0 Votes ecobee4

Indicates support for the Thread protocol.

Sensors & Monitoring 18

Humidity Range

What humidity range is supported?

15 Honeywell T9 0 Votes 20%–80%

39 ecobee4 0 Votes 20-90%

Honeywell T9
vs
ecobee4
Humidity Range

Honeywell T9 covers a humidity range of 20%–80%, while ecobee4 extends this to 20%–90%. Ecobee4 slightly outperforms Honeywell T9 in humidity monitoring range, advantageous in more humid climates.

Shows supported humidity measurement range.

Sensor Accuracy

How accurate are the sensors?

35 Honeywell T9 0 Votes Standard

94 ecobee4 1 Votes Precision

Honeywell T9
vs
ecobee4
Sensor Accuracy

Honeywell T9 offers standard sensor accuracy, while ecobee4 provides precision sensor accuracy. For more accurate temperature and humidity readings, ecobee4 may be a better choice.

Indicates how accurately the thermostat sensors measure conditions.

I really like the sensor accuracy on the ecobee4 it feels more precise during use

See more

Motion Sensor

Does it have a motion sensor?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Honeywell T9
vs
ecobee4
Motion Sensor

Both Honeywell T9 and ecobee4 include motion sensors, enabling presence detection to optimize heating and cooling. Users looking to save energy with occupancy-based control will find these features equally effective.

Detects movement near the thermostat.

Historical Data Tracking

Can it track historical data?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Honeywell T9
vs
ecobee4
Historical Data Tracking

Historical data tracking is available on both Honeywell T9 and ecobee4, allowing users to monitor and analyze temperature trends over time. Either device is suitable for detailed energy and comfort management.

Stores past environmental data.

Temperature Sensor Type

What type of temperature sensor is used?

85 Honeywell T9 0 Votes Digital

84 ecobee4 0 Votes Digital

Honeywell T9
Honeywell T9

The thermostat uses a Digital temperature sensor for accurate and responsive temperature measurement.

Defines the technology used to measure temperature.

Proximity Sensor

Does it have a proximity sensor?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Honeywell T9
Honeywell T9

A proximity sensor is integrated, which can detect when someone is near and adjust the display or settings accordingly for user convenience.

Detects nearby presence for wake-up actions.

Remote Sensor

Can it use remote sensors?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Honeywell T9
vs
ecobee4
Remote Sensor

Remote sensors are supported by both thermostats, allowing temperature measurement in multiple rooms. This feature enhances accuracy and comfort, making both Honeywell T9 and ecobee4 suitable for multi-room monitoring.

Indicates compatibility with external sensors.

Humidity Sensor

Does it measure humidity?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Indicates whether humidity is measured.

Occupancy Detection

Can it detect room occupancy?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Determines if people are present in the space.

Ambient Light Sensor

Does it detect ambient light?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Adjusts display or behavior based on light.

Outdoor Temperature

Does it support outdoor temperature data?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Allows use of outdoor temperature data.

Number of Remote Sensors Supported

How many remote sensors are supported?

67 Honeywell T9 0 Votes 20

Who knows? 0 Votes ecobee4 (Help us out by suggesting one!)

Specifies how many remote sensors can connect.

Scheduling & Automation 18

Scheduling Type

What type of scheduling is available?

15 Honeywell T9 0 Votes Manual

44 ecobee4 1 Votes Guided

Honeywell T9
vs
ecobee4
Scheduling Type

Honeywell T9 uses manual scheduling, while ecobee4 offers guided scheduling. Ecobee4 provides a more user-friendly scheduling setup, suitable for users desiring assistance in programming their thermostat.

Defines how schedules are created and managed.

The guided scheduling on ecobee4 made setup so much easier than doing it manually on the Honeywell

See more

Eco Mode

Does it have an eco mode?

Yes 0 Votes Honeywell T9

Yes 1 Votes ecobee4

Honeywell T9
vs
ecobee4
Eco Mode

Eco Mode is enabled on both Honeywell T9 and ecobee4, promoting energy saving by adjusting temperature settings. Users seeking to reduce energy bills can rely equally on either thermostat.

Reduces energy use automatically.

Eco mode is a handy feature I was happy to see it on both but prefer ecobee4's implementation

See more

Adaptive Scheduling

Does it adapt schedules automatically?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Honeywell T9
vs
ecobee4
Adaptive Scheduling

Adaptive scheduling is present in both Honeywell T9 and ecobee4, learning user patterns to optimize temperature control. Both devices offer smart scheduling to improve energy efficiency and comfort.

Adjusts schedules based on behavior.

Sleep Mode

Is there a sleep mode?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Honeywell T9
vs
ecobee4
Sleep Mode

Sleep mode is available on both Honeywell T9 and ecobee4, optimizing comfort during sleep hours. Either thermostat supports this feature, enhancing nighttime climate convenience.

Optimizes temperature for sleeping hours.

Smart Home Scenes

Does it support smart home scenes?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Honeywell T9
vs
ecobee4
Smart Home Scenes

Smart home scenes are supported on both Honeywell T9 and ecobee4, enabling integration with other smart home routines. Both thermostats facilitate cohesive smart home environments.

Integrates with smart home scenes.

Scheduling Capability

Does it support scheduling?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Honeywell T9
Honeywell T9

Scheduling Capability is active, allowing flexible programming of heating and cooling cycles.

Indicates whether scheduling is supported.

Daily Scheduling

Can you set daily schedules?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Honeywell T9
Honeywell T9

Daily Scheduling capability allows users to program temperature changes based on daily routines for energy savings.

Allows temperature changes by day.

Vacation Mode

Is there a vacation mode?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Honeywell T9
Honeywell T9

Vacation Mode is activated, enabling the thermostat to maintain energy-saving temperatures during extended absences.

Maintains efficiency when away for long periods.

Away Mode

Does it support away mode?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Honeywell T9
Honeywell T9

Away Mode is supported, which adjusts the temperature automatically when no occupants are detected to conserve energy.

Adjusts settings when occupants leave.

Weekly Scheduling

Can you set weekly schedules?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Allows different schedules across the week.

Learning Schedule

Does it learn your schedule?

No 0 Votes Honeywell T9

No 0 Votes ecobee4

Learns user habits over time.

Temperature Presets

Are temperature presets available?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Allows quick switching between preset temps.

HVAC Compatibility 18

Gas Furnace Compatibility

Does it support gas furnaces?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Honeywell T9
Honeywell T9

The thermostat supports gas furnace compatibility, ensuring it works well with common residential heating systems.

Indicates support for gas furnaces.

HVAC System Type

Which HVAC system types are supported?

25 Honeywell T9 0 Votes Low Voltage

59 ecobee4 0 Votes Central, Split, Packaged

Defines the general HVAC system types supported.

Cooling System Compatibility

What cooling systems are supported?

45 Honeywell T9 0 Votes Central AC, Heat Pump

44 ecobee4 0 Votes Central AC, Heat Pump

Indicates supported cooling system types.

Multi-Stage Heating

Does it support multi-stage heating?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Indicates support for multi-stage heating.

Boiler Compatibility

Is it compatible with boilers?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Indicates compatibility with boiler systems.

Dehumidifier

Does it support a dehumidifier?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Honeywell T9
Honeywell T9

Dehumidifier control is supported, allowing integration with devices to manage indoor humidity levels effectively.

Supports integrated dehumidifier control.

Oil Furnace Compatibility

Does it support oil furnaces?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Honeywell T9
Honeywell T9

Compatibility with oil furnaces is confirmed, expanding the thermostat's usability across different heating systems.

Indicates support for oil furnaces.

System Voltage Compatibility

What system voltages are supported?

55 Honeywell T9 0 Votes Low Voltage

54 ecobee4 0 Votes Low Voltage

Honeywell T9
Honeywell T9

Compatible with Low Voltage systems, typical for residential HVAC controls which enhances safety and installation flexibility.

Specifies supported control voltages.

Heating System Compatibility

What heating systems are supported?

42 Honeywell T9 0 Votes Furnace, Boiler, Heat Pump

41 ecobee4 0 Votes Furnace, Boiler, Heat Pump

Indicates supported heating system types.

Heat Pump Compatibility

Does it support heat pumps?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Indicates support for heat pump systems.

Dual Fuel

Does it support dual fuel systems?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Supports dual-fuel HVAC configurations.

Multi-Stage Cooling

Does it support multi-stage cooling?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Indicates support for multi-stage cooling.

Power & Electrical 14

Battery Life

How long does the battery last?

12 months 1 Votes
Honeywell T9

Who knows? 0 Votes ecobee4 (Help us out by suggesting one!)

Estimates how long batteries last under normal use.

Honeywell's 12 months battery life is pretty solid I don't have to think about changing batteries often

See more

Battery Type

What type of battery is used?

65 Honeywell T9 0 Votes AA

Who knows? 0 Votes ecobee4 (Help us out by suggesting one!)

Specifies the battery format used.

Standby Power Usage

How much power is used in standby?

1 Watt 0 Votes
Honeywell T9
1 Watt 0 Votes
ecobee4

Indicates power draw when idle.

Power Failure Recovery

Does it recover after power failure?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Restores settings after outages.

Power Frequency

What power frequency is supported?

60 Hz 0 Votes
Honeywell T9
60 Hz 0 Votes
ecobee4

Honeywell T9
Honeywell T9

The device operates at a power frequency of 60 Hz, standard for North American electrical systems.

Indicates supported electrical frequency.

Surge Protection

Is surge protection included?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Honeywell T9
Honeywell T9

Surge Protection is included, safeguarding the thermostat from voltage spikes that could cause damage.

Protects against electrical surges.

Low Power Mode

Does it have a low power mode?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Honeywell T9
Honeywell T9

Low Power Mode is enabled to reduce energy consumption when full operation is not required.

Reduces power usage when idle.

Power Source

What is the power source?

55 Honeywell T9 0 Votes Hardwired

54 ecobee4 0 Votes Hardwired

Indicates how the thermostat receives power.

Battery Backup

Is there battery backup?

Yes 0 Votes Honeywell T9

No 0 Votes ecobee4

Maintains operation during power outages.

Power Consumption

How much power does it consume?

3 Watt 0 Votes
Honeywell T9
3.5 Watt 0 Votes
ecobee4

Measures power usage during operation.

Input Voltage

What input voltage is required?

24 Volt 0 Votes
Honeywell T9
24 Volt 0 Votes
ecobee4

Specifies required input voltage.

Operating Voltage Range

What voltage range can it operate in?

15 Honeywell T9 0 Votes 20-30 VAC

9 ecobee4 0 Votes 24 VAC

Describes acceptable voltage range.

Safety, Compliance & Reliability 14

Operating Humidity Range

What humidity range is supported?

65 Honeywell T9 0 Votes 5-90%

84 ecobee4 0 Votes 5-95%

Honeywell T9
Honeywell T9

Operating humidity range is 5-90%, which accommodates most indoor residential environments.

Specifies allowable humidity levels during operation.

Regulatory Compliance

What regulatory standards does it meet?

45 Honeywell T9 0 Votes FCC, CE

44 ecobee4 0 Votes FCC, CE

Indicates compliance with regulations.

Overheat Protection

Is overheat protection included?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Protects device from overheating.

Maintenance Alerts

Are maintenance alerts provided?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Reminds users of maintenance needs.

Operating Temperature Range

What is the operating temperature range?

70 Honeywell T9 0 Votes 32-120°F

74 ecobee4 0 Votes 32-122°F

Honeywell T9
Honeywell T9

The operating temperature range is from 32-120°F (approximately 0-48.9°C). This wide range ensures the thermostat can function effectively in most home environments.

Defines the ambient temperature range for safe operation.

Storage Temperature Range

What is the storage temperature range?

80 Honeywell T9 0 Votes -4-140°F

59 ecobee4 0 Votes -31-113°F

Honeywell T9
Honeywell T9

The storage temperature range is from -4°F to 140°F (approximately -20°C to 60°C), ensuring the device can withstand extreme storage conditions safely.

Indicates safe temperature range when not in use.

Fail-Safe Mode

Does it have a fail-safe mode?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Honeywell T9
Honeywell T9

Fail-Safe Mode is enabled, which means the thermostat can default to a safe state in case of system errors, enhancing reliability and safety.

Ensures safe behavior during failure.

Diagnostic Tools

Are diagnostic tools available?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Honeywell T9
Honeywell T9

Diagnostic Tools are available, aiding troubleshooting and system analysis for easier maintenance.

Provides tools for troubleshooting.

Warranty Length

How long is the warranty?

45 Honeywell T9 0 Votes 2 years

69 ecobee4 0 Votes 3 years

Honeywell T9
Honeywell T9

The product includes a warranty period of 2 years, providing consumer protection against defects.

Indicates duration of warranty coverage.

Electrical Safety Certification

What electrical safety certifications does it have?

45 Honeywell T9 0 Votes UL

44 ecobee4 0 Votes UL

Lists electrical safety certifications.

EMC Compliance

Is it EMC compliant?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Indicates electromagnetic compatibility compliance.

Fire Safety Rating

Does it meet fire safety requirements?

Yes 0 Votes Honeywell T9

Yes 0 Votes ecobee4

Indicates fire resistance or safety design.

Surveys

Because hot takes deserve votes.

Temperature Accuracy

How accurate is this thermostat at maintaining the set temperature during daily use?

Extremely accurate — Within plus or minus 0.5 degrees
0 Votes
Honeywell T9
0 Votes
ecobee4
Very accurate — Within plus or minus 1 degree
0 Votes
Honeywell T9
0 Votes
ecobee4
Decently accurate — Within plus or minus 2 degrees
0 Votes
Honeywell T9
0 Votes
ecobee4
Somewhat inconsistent — Within plus or minus 3 degrees
0 Votes
Honeywell T9
0 Votes
ecobee4
Very inconsistent — More than plus or minus 3 degrees
0 Votes
Honeywell T9
0 Votes
ecobee4

Response Speed to Temperature Changes

How quickly does this thermostat react after the temperature setting is adjusted?

Instant response — Under 30 seconds
0 Votes
Honeywell T9
0 Votes
ecobee4
Quick response — 30 seconds to 1 minute
0 Votes
Honeywell T9
0 Votes
ecobee4
Moderate response — 1 to 3 minutes
0 Votes
Honeywell T9
0 Votes
ecobee4
Slow response — 3 to 5 minutes
0 Votes
Honeywell T9
0 Votes
ecobee4
Very slow response — Over 5 minutes
0 Votes
Honeywell T9
0 Votes
ecobee4

Ease of Setup and Installation

How easy is it to install and set up this thermostat for the first time?

Super easy and stress free — Finished in under 15 minutes
0 Votes
Honeywell T9
0 Votes
ecobee4
Pretty straightforward — About 15 to 30 minutes
0 Votes
Honeywell T9
0 Votes
ecobee4
Manageable with effort — Around 30 to 60 minutes
0 Votes
Honeywell T9
0 Votes
ecobee4
Time consuming and confusing — 1 to 2 hours
0 Votes
Honeywell T9
0 Votes
ecobee4
Extremely frustrating — Over 2 hours
0 Votes
Honeywell T9
0 Votes
ecobee4

Ease of Daily Use

How easy is it to control and adjust this thermostat in everyday use?

Effortless and intuitive — No learning needed
0 Votes
Honeywell T9
0 Votes
ecobee4
Mostly easy to use — Minor learning curve
0 Votes
Honeywell T9
0 Votes
ecobee4
Usable but not smooth — Takes regular effort
0 Votes
Honeywell T9
0 Votes
ecobee4
Often confusing — Requires frequent checking
0 Votes
Honeywell T9
0 Votes
ecobee4
Hard to use — Causes daily frustration
0 Votes
Honeywell T9
0 Votes
ecobee4

Smart Features and App Experience

How well do the smart features and mobile app work with this thermostat?

Smooth and reliable — No crashes or delays
0 Votes
Honeywell T9
0 Votes
ecobee4
Mostly reliable — Rare glitches
0 Votes
Honeywell T9
0 Votes
ecobee4
Usable but basic — Limited features
0 Votes
Honeywell T9
0 Votes
ecobee4
Unreliable — Frequent bugs or delays
0 Votes
Honeywell T9
0 Votes
ecobee4
Barely usable — Often fails to work
0 Votes
Honeywell T9
0 Votes
ecobee4

Energy Efficiency and Savings

How much does this thermostat help reduce energy usage over time?

Major savings — Over 20 percent reduction
0 Votes
Honeywell T9
0 Votes
ecobee4
Noticeable savings — 10 to 20 percent
0 Votes
Honeywell T9
0 Votes
ecobee4
Some savings — 5 to 10 percent
0 Votes
Honeywell T9
0 Votes
ecobee4
Minimal savings — Under 5 percent
0 Votes
Honeywell T9
0 Votes
ecobee4
No savings — No noticeable reduction
0 Votes
Honeywell T9
0 Votes
ecobee4

Noise Level During Operation

How noticeable is the noise from this thermostat during normal operation?

Completely silent — No audible sound
0 Votes
Honeywell T9
0 Votes
ecobee4
Very quiet — Barely noticeable
0 Votes
Honeywell T9
0 Votes
ecobee4
Occasionally noticeable — Soft clicking sounds
0 Votes
Honeywell T9
0 Votes
ecobee4
Often noticeable — Clearly audible sounds
0 Votes
Honeywell T9
0 Votes
ecobee4
Annoyingly loud — Distracting noise
0 Votes
Honeywell T9
0 Votes
ecobee4

Design and Display Appeal

How appealing is the look and display of this thermostat in a home environment?

Modern and premium — Looks high end
0 Votes
Honeywell T9
0 Votes
ecobee4
Clean and stylish — Fits most interiors
0 Votes
Honeywell T9
0 Votes
ecobee4
Simple and acceptable — Nothing special
0 Votes
Honeywell T9
0 Votes
ecobee4
Outdated design — Feels old fashioned
0 Votes
Honeywell T9
0 Votes
ecobee4
Unattractive look — Stands out poorly
0 Votes
Honeywell T9
0 Votes
ecobee4

Durability and Build Quality

How durable does this thermostat feel with long term everyday use?

Very durable — Expected to last 10 years or more
0 Votes
Honeywell T9
0 Votes
ecobee4
Solid build — Around 7 to 10 years
0 Votes
Honeywell T9
0 Votes
ecobee4
Average quality — About 5 to 7 years
0 Votes
Honeywell T9
0 Votes
ecobee4
Feels fragile — Roughly 3 to 5 years
0 Votes
Honeywell T9
0 Votes
ecobee4
Very flimsy — Under 3 years
0 Votes
Honeywell T9
0 Votes
ecobee4

Pricing and Value

How does the price of this thermostat feel compared to its overall features and performance?

Great value for money — Worth every dollar
0 Votes
Honeywell T9
0 Votes
ecobee4
Pretty good price — Slightly above average
0 Votes
Honeywell T9
0 Votes
ecobee4
Fair deal — Matches what you get
0 Votes
Honeywell T9
0 Votes
ecobee4
Kinda pricey — Costs more than expected
0 Votes
Honeywell T9
0 Votes
ecobee4
Crazy expensive — Not worth the price
0 Votes
Honeywell T9
0 Votes
ecobee4

Reviews 0

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Average Rating

Honeywell
Honeywell
Honeywell T9
Honeywell T9
0 / 5 0 Reviews
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ecobee
ecobee4
ecobee4
0 / 5 0 Reviews

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Thoughts, takes, and hot debates.

Awards 0

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Collections 0

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