Thermostat manufacture suggest that you can cut up to 30% off of your heating and cooling energy bill each year by installing a programmable thermostat. The problem with most programmable thermostat is that they are difficult to schedule and are typically not scheduled properly or left completely unscheduled. Setting up and adjusting schedules with a Wi-Fi smart thermostats is much simpler as compared to a programmable thermostat. Scheduling with Wi-Fi smart thermostat is much simpler because the scheduling can be done using a remote interface that can be accessed by a computer of smart phone.

Update amazon now offers a free smart home consultation


Things to consider before purchasing a Wi-Fi smart thermostat:

  • In order to find out which Wi-Fi thermostats are compatible with your HVAC system you will need to know how many stages of heating and cooling your HVAC system has. You will need to know if your system is a heat pump or dual fuel (heat pump with gas heat). You will need to know if your HVAC system has a dehumidifier, humidifier or ventilator. You will need to know if your HVAC system is a zoned system. You will need to know if your existing HVAC thermostat is a communicating thermostat. If you need help figuring out this information just post the question here at thermostatforums.com.


  • You will need to know if your HVAC system is a heat pump. If your HVAC system is a heat pump you will need to make sure that you select a wifi thermostat that has settings that will prevent the auxiliary heat from coming on immediately after the schedule switches from setback when the thermostat is set to heating.


  • You will need to consider the cost of having a HVAC company install the thermostat if you do not have the mechanical and electrical ability to install a new thermostat.


  • The Smart Grid is an intelligent electrical power grid. Some power companies have the ability to communicate with Wi-Fi thermostats. One of the benefits of having a Wi-Fi thermostat is that your power companies will give you a discount if you have a Wi-Fi smart thermostat and enroll in their demand response program. If you are enrolled in the demand response program during periods of high electrical demand on the power grid or during maintenance at the power station the power company will setback your thermostat a few degrees there by curtailing the power grid. Power companies offer Wi-Fi thermostat manufactures a small kickback for each thermostat that is enrolled in the program. Some power and gas companies offer special Wi-Fi thermostat purchase programs. Check with your local power and gas companies to see if there is a rebate available before you purchase your Wi-Fi thermostat.


  • Some wifi thermostats can be integrated into home automation systems like Control 4, Mi Casa Verde and UBI





Ecobee

Best all around wifi thermostat includes remote sensor

Ecobee3
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The Ecobee3 wifi thermostat is one of our top picks for a residential wifi thermostat. The Ecobee3 works with remote sensors to deliver the right temperature to the rooms that matter most. There is one remote sensor that comes with the Ecobee3. Additional sensor can be purchased.

The second generation Ecobee3 is Apple home kit and Amazon Alexa enabled. If your ecobee3 is Apple home kit enabled it will have one of these part numbers (EB-STATe3-02 or EB-STATe3c-02) in the lower left corner on the back of Ecobee3. The Ecobee3 is compatible with IFTTT (If that then this) that allows you to set up different recipes for thing like geo location,

​Home IQ
Home IQ™ shows you how much energy you conserved each month and gives you valuable insight into your heating and cooling equipment. It’s like a home energy audit at no additional cost!

Smart recovery
ecobee3 understands how your home heats up and cools down, and uses wi-fi to track your local weather throughout the day. It then uses this information to determine the best way to bring your home to your desired indoor temperature when you arrive home and maintain it while minimizing how long your heating or cooling equipment runs for.

Optimal Humidity
For homes with humidifiers, ecobee3 regulates indoor humidity to prevent frost buildup on windows when it’s cold outside and high humidity indoors.

The Ecobee3 wifi thermostat requires a common wire. If your existing thermostat does not have a common wire the Ecobee3 comes with a PEK (power extender kit). The PEK is used when a common wire is not is not available. With Ecobee providing the extra PEK you know that they really they really thought about about their consumer.

Ecobee is one of the few thermostat companies that you can call customer support and be able to quickly talk to a knowledgeable person.

System Compatibility
Conventional (2H/2C), Heat pump (4H/2C) includes 2 stages aux heat, Gas - oil - electric heat, Duel fuel, Humidifier - Dehumidifier - ERV

Product Features
The ecobee3 wifi thermostat has a full color touchscreen, Home IQ report, Automated alerts and reminders, Live Weather, Free software upgrades and No monthly fees

Warranty
3 year warranty





Venstar

Best price for a high end wifi thermostat includes supply air temperature alarms

Venstar Color touch T7900

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The Venstar color touch T7900 wifi thermostat is one of our top picks for a residential wifi thermostat. If you are looking for a wifi thermostat the Venter T7900 should be on the top of your list. The T7900 thermostat that thinks it's a picture frame. The T7900 ColorTouch is compatible with most heating and air conditioning equipment and controls gas/electric or heat pump equipment, with up to 4 heating and 2 cooling stages. The T7900 ColorTouch is also dual-fuel capable and can control humidity. The intuitive "Time Period" Scheduler automatically changes the temperature and mode for up to four periods per day. This allows for comfortable temperatures for sleeping, waking, and daytime, plus an energy savings mode for when no one is home. ColorTouch comes with more than a dozen built-in nature and holiday themes. You can install up to 100 photos and display them as a slideshow. Easy access to energy usage information lets you easily see how much energy has been used to heat and cool for the past seven days. Runtime graphs help you evaluate energy conservation options, giving you the opportunity to decrease energy costs.

The Venstar T7900 wifi thermostat has built in wifi to connect to your smart phone or Computer.


The photo slideshow is actually a really neat idea. It is nice to be able to walk by this thermostat and see your uploaded photos. The other thing that we really like about this thermostat is that it has supply air temperature alarms. This is a feature that is only found in high end commercial thermostats. The supply air temperature alarm will notify you via email if the supply air temperature does not go below a adjustable set point in cooling or above a adjustable set point in heating provided that you have a supply air sensor installed. These alarms are great for giving you a early indicator that your HVAC has a issue potentially saving you hundreds of dollars in high electrical bill if your system is low on refrigerant.

The Venstar T7900 wifi thermostat app does not allow you to adjust the schedule. If app for this thermostat allow the adjustment of the schedule it would be our top rated thermostat. The app does let you select if you want the schedule to be on or off. The app also allow you to set the thermostat to home or away.

The Venstar T7900 is Amazon Alexa compatible




Nest

Best wifi thermostat for most people

Nest wifi thermostat

The Nest thermostat





Honeywell Pro Prestige IAQ

Best wifi thermostat for high end HVAC systems

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The Prestige IAQ thermostat is a 2 wire high definition color touch screen thermostat, requires a pro installation, Customizable high-definition, High-gloss acrylic frame in four color combinations, The Prestige IAQ thermostat allows you to setup alerts to email you if your equipment isn't working, poor system efficiency, water leaks or the temp is too high/low, On-screen or email reminders for filter replacement, seasonal maintenance and more, full-color display is 7 day programmable and selectable for residential or light commercial use. Controls up to 4-stages of heat and 2-stages of cool in a heat pump system and up to 3-stages of heat and 2-stages of cool in a conventional system. Three sets of Universal IAQ contacts to control humidification, dehumidification, and ventilation. Four sensor inputs for wired sensors or dry contact devices. Works with the Equipment Interface Module and RedLINK accessories including the RedLINK Internet Gateway, Portable Comfort Control, Wireless Outdoor Sensor and Wireless Indoor Sensor.
THX9421R5021WW/U = White front/white side Prestige IAQ thermostat.
THX9421R5021BB/U = Black front/black side Prestige IAQ thermostat
THX9421R5021WG/U = White front/gray side Prestige IAQ thermostat
THX9421R5021SG/U = silver front/gray sides Prestige IAQ thermostat
YTHX9421R5085WW/U = Kit, White front/white side Prestige IAQ thermostat, Equipment Interface Module and two duct sensors
YTHX9421R5085BB/U = Kit, Black front/black side Prestige IAQ thermostat, Equipment Interface Module and two duct sensors
YTHX9421R5085WG/U = Kit, White front/gray side Prestige IAQ thermostat, Equipment Interface Module and two duct sensors
YTHX9421R5085SG/U = Kit, White silver/gray side Prestige IAQ thermostat, Equipment Interface Module and two duct sensors
YTHX9421R5101WW/U = Kit, White front/white side Prestige IAQ thermostat, Equipment Interface Module, two duct sensors and Outdoor air sensor
THM6000R1002/U = RedLINK Internet Gateway
YTHM5421R1010/U = Equipment Interface Module Kit with 2 Duct Sensors
C7089R1013/U = Senses outdoor temperature and humidity
C7189R1004/U = The Remote Indoor Temperature Sensor is used to sense temperature remotely. Available at amazon




Ecobee3 Lite

Best mid range wifi thermostat
ecobee3 lite wifi thermostat

The ecobee3 lite wifi thermostat is a quality thermostat with great features at a fair price.

What's the difference between the ecobee3 and ecobee3 lite:
The ecobee3 lite does not come with or support room sensors. The ecobee3 lite does not support occupancy detection, smart home/away features and does not support humidifiers, dehumidifiers, or ventilators. The ecobee3 lite does have smart recovery, Schedule and vacation settings, home IQ, connection to homekit/Amazon Echo/IFTTT and smart things, alerts and reminders and our web portal and mobile app.


Honeywell RTH9580WF Wi-Fi Thermostat

Best wifi thermostat for people that like Honeywell and do not want to pay the price of a high end wifi thermostat
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The Honeywell RTH9580WF is a Wi-Fi touchscreen programmable thermostat. The RTH9580WF is a 7 day programmable thermostat that has the ability to program each day of the week with 4 programs. You can customize the thermostat display color to match your décor. The screen displays outdoor temperature and humidity (requires Wi-Fi set up and registration). You can adjust security options to prevent unauthorized changes to system settings. Receive alerts via email and get automatic upgrades. Honeywell periodically issues updates to the software for this thermostat. The updates occur automatically through your Wi-Fi connection. All your settings are saved, so you will not need to make any changes after the update occurs. This thermostat works with common 24 volt systems such as forced air, hydronic, heat pump, oil, gas, and electric. It will not work with millivolt systems, such as a gas fireplace, or with 120/240 volt systems such as baseboard electric heat.

Whats the differences between the Honeywell 9000 TH9320WF5003 and the Honeywell RTH9580WF?
The Honeywell 9000 TH9320WF5003 and the Honeywell RTH9580WF are basically the same thermostat the Honeywell 9000 is the pro version and the RTH9580WF is the retail version. On the back of the Honeywell 9000 the label even reads RTH9580WF. The Honeywell 9000 comes with a 5 year warranty and and RTH9580WF comes with a one year warranty. If you do have a warranty claim or a technical question on the Honeywell 9000 you will most likely need a HVAC contractor to answer the question or have them file the warranty claim for you. Because of this it may be best to purchase the RTH9580WF over the Honeywell 9000 TH9320WF5003.



Emerson / White Rodgers

Best wifi thermostat for people looking for a quality thermostat at a lower price

Emerson Sensi wifi thermostat 1F86U-42WF
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The Sensi 1F86U-42WF wifi thermostat currently is the easiest wifi thermostat to install because there is app that is used to install and setup the thermostat. The app will step you though each step of the install process. The app also has links to videos that will assist you in the install of the thermostat if you need the additional help. Configuring the Emerson 1F86U-42WF is also done using the app. You can install and program your Sensi thermostat yourself with your Smartphone app. The app tells you how to install your Sensi thermostat, according to what kind of heating and cooling system you have. Don't know what kind of heating and cooling system you have? The app will help
you figure that out too. See our complete review on the Sensi 1F86U-42WF

No "C wire" required for most HVAC applications - works with existing wiring. Heat only and cool only systems require a “C wire". Universal Application - 4 Heat / 2 Cool. Choice of battery-powered with optional power stealing assist or hardwired with battery backup. The Sensi 1F86U-42WF wifi thermostat does not have a touch screen. The Sensi has a monochrome display and uses a low powered wifi chip that reduces the power consumption.

Location based temperature & weather display and automatic Daylight Savings adjustment. Auto heat/cool changeover option. A/C compressor protection. Permanent program retention during power loss.

For heat pump systems the Sensi thermostat uses the same proven staging algorithm as in all of White Rodgers / Emerson high end heat pump thermostats that balances comfort and economy for heat pump / electric heat systems.

The Sensi does not have a vacation mode but with the Sensi thermostat you can add additional schedules that can function as a vacation or special event schedule. Using the Sensi webpage interface switching between schedules is simple.

White Rodgers / Emerson has plans in the next few month to enable additional features, some in future upgrades. The first release of the Sensi thermostat is missing some of features that other manufactures have like filter email alarms, space temp high/low email alarms, equipment runtimes, historical graphical trending.

If you are looking for a wifi thermostat that is simple to install at a affordable price you should consider the White Rodgers / Emerson Sensi thermostat. Sensi is also a great option if your HVAC system does not have a common wire available. The Sensi thermostat comes with a 5 year warranty.

Whats the differents between the Sensi 1F86U-42WF and the Sensi UP500W?
The Sensi 1F86U-42WF is the pro version and comes with a 5 year warranty. The Sensi UP500W is the retail version and comes with a 3 year warranty. The instruction sheets are also different between the two. Other than the warranty and instruction sheets there is no difference between the Sensi 1F86U-42WF and the Sensi UP500W. They both are physically the same and have the same functions.



Honeywell RTH6580WF wifi thermostat

Best budget wifi thermostat

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The Honeywell RTH6580WF wifi thermostat is similar to the Honeywell RTH8580WF but the RTH6580WF has a smaller screen and the screen is not a touch screen. The RTH6580WF is a 7 day programmable thermostat that has the ability to program each day of the week with 4 programs. Compatible with multi stage HVAC units. Some of the thermostat features are auto change from heating to cooling, automatically downloads software updates, smart response technology and compressor protection. Comes with a 1 Year limited warranty


Honeywell Yth6320r1114







Best wireless wifi thermostat for homes where you do not have the correct thermostat wire
Honeywell Yth6320r1114 Wireless Focuspro
The Honeywell Yth6320r1114 Wireless Focuspro is a great option for a wifi thermostat if you do not have a thermostat wire with the correct number of conductors or if you want to install a thermostat is a room where there is not a thermostat wire. The thermostat communicates wirelessly to the EIB equipment interface board so there is no need for a thermostat wire in the room where the thermostat is located. The Honeywell Yth6320r1114 Wireless Focuspro comes with everything you need to relocate or upgrade with a programmable thermostat without running new wires. Kit options include wireless outdoor sensors and red link Internet gateway for remote access.


Honeywell

Lyric TH8732WF5018
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The Lyric wifi smart thermostat is the next generation of smart technology from the company that invented the round thermostat. The Lyric thermostat can deliver comfort at home and savings when you’re away, automatically, based on your smartphone location. With the Lyric thermostat, there are no complex menus, complicated programming, or a need to set schedules. The Lyric thermostat packs a wealth of innovative features, is simple to use, and is beautifully designed. The Lyric thermostat is the latest innovative, connected home offering from Honeywell, the recognized category leader since introducing the iconic Round™ in 1945.

Geofencing - Senses when you are nearing home using your smartphone location and makes your home comfortable ahead of your arrival. Starts saving money the moment you leave home.
Fine Tune - factors indoor and outdoor temperature, humidity, and weather into its algorithm, enabling it to provide the most comfortable temperature for homeowners. No other do-it-yourself Wi-Fi thermostat on the market today does that.
Smart Cues - With the Lyric app, you can receive easy to understand guidance on when to change the filter, if and when service is needed, and even where to find a trusted service professional.
Shortcuts - Event-based scheduling adjusts for settings such as ‘sleep’ or ‘party’ for easy comfort and control Additional Highlights

Key Features - Ability to pair with multiple smartphones and tablets (Android / iOS). View upcoming weather on the thermostat. LED-illuminated halo ring – orange (heating), blue (cooling), green (savings). Event-based scheduling option. Monthly performance reports IAQ compatibility – Compatible with Humidifier, Dehumidifier or Ventilator. Control for 3 heat/2 cool heat pump, and 2 heat/2 cool conventional systems. 2 year warranty

In the future the Honeywell Lyric wifi thermostat will be able to be integrate into other home systems.




Lyric T5

Honeywell Lyric T5 wifi thermostat
The Honeywell Lyric T5 wifi thermostat

What's the difference between the lyric and the lyric T5
The Lyric T5 is not compatable with dual fuel systems, humidifier, dehumidifier, or ventilator. The Lyric T5 does not have a motion sensor.




Honeywell RTH8580WF wifi thermostat
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The Honeywell RTH8580WF is a Wi-Fi touchscreen programmable thermostat. The RTH8580WF is a 7 day programmable thermostat that has the ability to program each day of the week with 4 programs. Compatible with multi stage HVAC units. There are many good reviews on the web about this thermostat. Some of the thermostat features are auto change from heating to cooling, automatically downloads software updates, smart response technology and compressor protection. Comes with a 1 Year limited warranty.



Honeywell 9000 TH9320WF5003

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Honeywell's Wi-Fi 9000 has one of the best looking screens and the touch screen sensitivity is very good as compared to other wifi thermostats. The overall aesthetics and looks of this thermostat are great. The Honeywell 9000 allows remote access to the thermostat through a computer, tablet, or smart phone with Honeywell's Total Connect Comfort Service. The Honeywell 9000 does not need the a RedLINK Internet Gateway to connect to home's existing Wi-Fi network.

The Honeywell's Wi-Fi 9000 is simple to install as compared to other wifi thermostats that have a equipment interface. The redesigned terminal blocks do not require any tools for installation. The wiring terminal blocks are push type connectors. The screen is crisp and the sharpness is one of the best on the market today. The touchscreen sensitivity is about as good as it gets for a HVAC wifi thermostat. The screen color can be adjusted and customize to match any décor.

Setting up and adjusting schedules is simple. There is a very similar look and feel of setting up and adjusting the schedules between the thermostat, app and Honeywell total connect comfort website.

Apps available for tablet and smartphones Automatic software updates through Wi-Fi Selectable to 7 Day or Non-Programmable Program thermostat locally or over the web or app. C Common wire required for installation. 5-year warranty. Apps available for tablet and smartphones. Automatic software updates through Wi-Fi. Control up to 3H/2C heat pump and 2H/2C conventional.

It is hard to believe but this great thermostat has no energy logging information currently available on the thermostat itself or on the Honeywell's total connect comfort service webpage. One of the other things that we noticed is that you can always hear the relay switching when the cooling or heating is energized. This may be because Honeywell has used a higher end switching devise for this model.

On of the things about this thermostat that we do not like is that the vacation mode can only be set and adjusted at the thermostat. You cannot adjust the vacation mode or take the thermostat out of vacation mode Using Honeywell's total connect comfort website. Also there are no equipment run times that can be viewed at the thermostat or on the Honeywell's total connect comfort website.

If you like the Honeywell 9000 you may want to consider the Honeywell RTH9580WF because if you have a warranty issue or a technical question Honeywell will most likely not help you with either item because the Honeywell 9000 is a pro version.




Honeywell 9000 TH9320WFV6007
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The Honeywell 9000 TH9320WFV6007 talking thermostat has the same features as the TH9320WF5003 but the TH9320WFV6007 has Voice activated recognition and control that allows the temperature setting to be adjusted by talking to the thermostat.

Available commands:
Make it warmer / cooler = Changes the temperature setting 1 degree F
Make it much warmer / cooler = Changes the temperature setting 4 degrees F
Make it (1–10) degrees warmer / cooler = User selects temperature setting change between 1 and 10 degrees F
I’m feeling hot / cold = Changes the temperature setting 1 degree F
What can I say? = Provides a list of available commands



Honeywell VisionPro 8000
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VisionPRO 8000 TH8110R1008 with RedLINKTM is a 7 day programmable touchscreen thermostat that is selectable for residential or light commercial use. For one stage heat one stage cooling systems. The thermostat can be wired directly to the equipment, used with the THM5421R1021 Equipment Interface Module or used with the THM4000R1000 TrueZONE Wireless Adapter. Works with the RedLINKTM accessories including the RedLINKTM Internet Gateway, Portable Comfort Control, Wireless Outdoor Sensor, Wireless Indoor Sensor, Wireless Entry/Exit Remote and Wireless Vent and Filter Boost Remote.

TH8110R1008 VisionPRO 8000 with RedLINK technology. Residential or commercial use. 7-day programmable. 1H/1C heat pump or 1H/1C conventional. Works standalone or with the THM5421R1021 Equipment Interface Module (EIM)




TH8320R1003 VisionPRO 8000 with RedLINK technology. Residential or commercial use. 7-day programmable. Up to 3H/2C heat pump or up to 2H/2C conventional. Works standalone or with the THM5421R1021 (EIM).




TH8321R1001
VisionPRO 8000 TH8321R1001 with RedLINK technology. Residential or commercial use. 7-day programmable. Up to 3H/2C heat pump or up to 2H/2C conventional. Includes a set of universal IAQ contacts to control humidification, dehumidification or ventilation. Works standalone or with the THM5421R1021 (EIM).



Schneider Electric
Schneider Electric Wiser Air Wi-Fi Smart Thermostat
The Schneider Electric Wiser Air wifi thermostat




Carrier
Carrier Cor wifi thermostat


The Carrier For wifi thermostat



Trane

Trane ComfortLink II XL950

The Trane ComfortLink II XL950










EverSense
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EverSense is a Wi-Fi Touchscreen Thermostat featuring patented Proximity Control Technology to make life easier, greener, and more energy efficient. Combined with the free EverSense mobile app for iPhone or Android, EverSense automatically manages users' home temperature and energy usage based on how far, or near, each user may be from their residence. EverSense also includes built-in speakers for streaming music
from smartphones, a weather application, energy saving tips and more. EverSense allows users to automatically arrive home in comfort, save money, enjoy their favorite music, access free energy saving video tips, and get instant updated weather. 24 VAC EverSenseTM requires the use of a common wire for 24 VAC. Instead of using a battery that constantly charges from your HVAC system and frequently needs replacement. Easy to install and setup. The EverSense wifi thermostat is larger than most thermostats and usually covers the area of the old thermostat so you don't have to paint.

Feature Highlights
GPS Proximity control technology that allows user allows users to automatically arrive home in comfort.
includes built-in speakers for streaming music from smartphones.

HVAC Compatibility
Forced Air, Heat Pump, Gas, Electric
One or Two Stage Conventional Heat
One or Two Stage Cooling
One or Two Stage Heat Pump w/One or Two Stage Auxiliary Heat
These Wires Supported: RH, RC, C, W1, Y1, Y2, G, O/B, Aux/W2