Honeywell thermostat turn off fan

Set the FAN switch to “AUTO” and let the fan turn on or off automatically under the control of the heater or air conditioner; when the thermostat asks for heat and the furnace warms up, the fan will turn on. When the thermostat is satisfied at the end of a heating cycle, the fan will turn off automatically.

Jul 12, 2023 · Fan on: Fan will turn on with heat or cool: Fan will turn on with /without cool or heat: Fan will run all the time: No heat/cool fan is off: Fan runs 35% of the time per hour- heating/cooling time: Fan runs all the time: Conserves Energy: Can conserve some energy: No energy conservation: Feature available on any modern thermostat With the faceplate removed, the next step in uninstalling your Honeywell smart thermostat is disconnecting the wires from the thermostat base. Follow these steps to safely disconnect the wires: 1. Identify the Wiring Terminal Blocks: Look for the wiring terminal blocks on the thermostat base.If you have a C wire, place it into the C terminal on your wall plate. C wire adapters are available here. Let’s look at the G wire. This wire goes to the G terminal on your new thermostat. Of the Y, Y1, and Y2 wires, Y or Y1 go to the Y terminal and Y2 to the Y2 terminal. The O/B wire can have many configurations. To reboot your Honeywell thermostat and troubleshoot any issues, follow these simple steps: 1. Turn off the thermostat’s power by either removing the batteries or switching off the circuit breaker if it’s hardwired. 2. Wait for a few minutes to ensure a complete power reset. 3. Thermostat controls M33612 Heat Off Cool Auto On Fan Heat Off Cool Auto On Fan Set Hold Run Set: Press to set time/day/schedule. Hold: Press to override programmed temperature control. Run: Press to resume program schedule. Temperature adjustment Press the up or down buttons until you reach the desired temperature. NOTE: Make sure the SYSTEM switch If you have an older thermostat with a sealed mercury tube, turn to page 2 for proper disposal instructions. Terminal designation C C MCR31537 2 Remove Old Thermostat Remove old thermostat but leave wallplate with wires attached. 4 Separate Wallplate from New Thermostat Remove wallplate from the new thermostat and mount onto wall. M32731

Learn about how your thermostat fan auto/on switch or key works for your specific Honeywell device using this Honeywell Home Support article.If you have a Honeywell RTH5160 Series Non-Programmable Thermostat and the fan does not turn on when heat is required, check System Setup Option 205 to make sure it is set to match your heating equipment. ... For Honeywell thermostats running off in-wall electricity, a blown out fuse or tripped circuit breaker tends to shut off …Nov 27, 2017 ... Customer Had to Turn Off The Breaker to Stop The Heat! ... Furnace BLOWER FAN Motor WON'T SHUT OFF! 6 ... Setting CPH On Your Honeywell Thermostat.Contents hide 1 Honeywell Home T6 Pro Wi-Fi Programmable Thermostat 2 Thermostat Features 3 Thermostat overview 3.1 Resideo App overview 4 Adjusting the temperature 5 Schedule overrides 5.1 Adjusting the temperature in Auto mode 5.2 Selecting system mode 5.3 Setting the fan 6 Connecting to a WiFi network 6.1 Disconnecting and …As soon as the thermostat has detected that the air in your home has reached the designated temperature setting, the HVAC system will turn itself off. The fan will only turn on again once the temperature rises above or falls below the temperature setting, restarting the system. Why You Want To Set Your Thermostat Fan to AUTO. 1.

Before touching any wires or connections, be sure to turn off the breaker that powers your thermostat. All Honeywell thermostats use the "G" terminal to control the fan. If no wire is connected to the G terminal (or the wire is not secure), the fan will not activate. If the G wire is fine but the fan won't turn on, your HVAC system needs servicing.The fan relay, or the furnaces fan limit control is stuck in the closed position. If you have taken the thermostat off the wall and disconnected the wires, you can try removing the green wire from the thermostat. if the fan keeps running it is a problem as described with those two control. Make sure before you go that far that you inspect the ...Replacing an old Honeywell thermostat usually involves changing to a newer model or to an energy-efficient programmable digital thermostat. This process is straightforward and can ...On a programmable Honeywell thermostat, the most likely reason is that the unit is in the program mode. Look for the “hold” button, then turn the temperature up or down manually to the setting you desire. Press “hold” once and “hold” or “permanent hold” should display on the thermostat.

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My Honeywell FocusPRO TH6000 thermostat fan runs continuously. It will not turn off after temperature reaches setting. Normally the fan would run for a while and eventually shut off but it runs continuously for hours until it is unplugged. This failure mode occurs after the FAU is powered down at the circuit breaker or simply unplugged. …Try power cycling the thermostat and AC unit. Turn off the thermostat, turn off the AC unit, wait a few minutes, and then turn them both back on. Sensor Issues. Some thermostats have built-in temperature sensors that can malfunction. If your thermostat has a remote sensor, ensure it’s correctly placed and functioning. Electrical or Mechanical ...Apr 25, 2023 · 5 Steps To Fix a Honeywell Fan That Will Not Turn Off. The fan controlled by your Honeywell thermostat is responsible for transferring hot and cold air from the thermostat system to your home. If the thermostat senses that the target temperature has been reached, the fan should turn off. If your blank thermostat runs on batteries, try replacing them – and see if that turns the thermostat back on. An Open Furnace Door. If you own a Honeywell thermostat, the blank screen could be an indication of a furnace door that wasn’t completely closed. These thermostats are programmed to shut off entirely if a furnace …Verify your thermostat’s wiring. Check that the wires are connected securely to the terminals. Remember, the color of the wires only relates to the terminals they are connecting. Reference: The Y terminal on your thermostat controls the primary (1st stage) cooling. (Or the Y and O/B terminal if you have a heat pump system) In addition, the G ...If your Honeywell thermostat’s fan is not working, there could be a couple of potential causes. Firstly, the fan motor in your outdoor unit may be faulty or burned out, preventing it from turning on. ... Turn off the thermostat’s power by either removing the batteries or switching off the circuit breaker if it’s hardwired. 2. Wait for a ...

To change your fan settings, select a location, then tap on a thermostat within that location. Tap the gear icon in the upper right hand corner. Then, tap on Fan Mode to configure your fan into Auto, On or Circulate mode (for more on fan modes, click here.) You can also set up a shortcut to automatically adjust your fan settings at your command ...Feb 16, 2023 ... PART 1 of 2 - Covering all T4 T5 T6 Touch screen thermostat devices. Part 2 will cover FULL programming of device of a 7 day schedule and ...Honeywell home 'T5 Programmable thermostat' RTH7560E the fan is on, and does not turn off. Contractor's Assistant: I understand you're frustrated that your Honeywell Home 'T5 Programmable Thermostat' RTH7560E fan won't turn off. To better assist you, can you please let me know if you've tried turning the fan mode to 'Auto' instead of 'On'? YesUsing the Honeywell Digital Voice Assistant to Turn Off the Fan. A. Setting up the voice assistant feature; B. Commanding the voice assistant to turn off the fan; Turning Off the Fan Manually. A. Locating the thermostat control panel; B. Switching off the fan using physical controls; Troubleshooting Common Issues. Fan not turning off despite ...Turning off the fan on your Honeywell thermostat is simple and straightforward. To start, locate the switch on the side of your thermostat that controls the fan. Depending on what type of system you have, this switch may be labeled “On/Auto” or simply “Fan”. If it says “On”, flip it to “Auto”; if it says “Fan”, turn it to “Off”.Thermostats are in every household, but have you ever wondered how they work? Learn about thermostats and take a look inside a home thermostat. Advertisement If you have specific h...Turning off the fan on your Honeywell thermostat is simple and straightforward. To start, locate the switch on the side of your thermostat that controls the fan. Depending on what type of system you have, this switch may be labeled “On/Auto” or simply “Fan”. If it says “On”, flip it to “Auto”; if it says “Fan”, turn it to “Off”.The receiving trigger event could be something like Furnace_Fan_ON. The THEN part of the Applet should be a Honeywell Total Connect Comfort service. Select ‘Set Fan to On or Auto’. Then create another Applet in the same way for turning the fan to auto. After all that, go to Home Assistant and create a Template Switch:What I see: This stock responds well to economic recovery....AAPL Lucky break. I touched on this in my Market Recon column this morning. I got lucky. Last week. I mean it makes sen...Before touching any wires or connections, be sure to turn off the breaker that powers your thermostat. All Honeywell thermostats use the "G" terminal to control the fan. If no wire is connected to the G terminal (or the wire is not secure), the fan will not activate. If the G wire is fine but the fan won't turn on, your HVAC system needs servicing.Thermostat controls M33612 Heat Off Cool Auto On Fan Heat Off Cool Auto On Fan Set Hold Run Set: Press to set time/day/schedule. Hold: Press to override programmed temperature control. Run: Press to resume program schedule. Temperature adjustment Press the up or down buttons until you reach the desired temperature. NOTE: Make sure the SYSTEM switchHoneywell Thermostat Troubleshooting | Honeywell Home. Support Center. TROUBLESHOOTING YOUR THERMOSTAT. First, let's identify your device. Select the …

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Solution: Turn off the power to the AC system at the circuit breaker. Carefully inspect the thermostat’s wiring for loose or damaged connections. If you find any issues, tighten or replace the wires as needed. Once wiring is secure, turn the power back on and test the thermostat’s functionality. 6.Removing your old thermostat 2 Check that your system is off. Change the temperature on your old thermostat to be above room temperature in heat mode or below it in cool mode. If you don’t hear the system turn on within 5 minutes, the power is off. Note: If you have a digital thermostat that has a blank display, skip this step. 1 Turn power OFF.As noted in the pictures, I have switched the thermostadt to "permanent hold" so the scheduling is not applicable, but still cannot stop the fan from coming on. When the fan is running and the "on" is lit up under the "Fan" heading, the only thing I have been able to do to stop it is to flip the breaker and remove all power to the air handler.Choose your desired mode and tap “Done.”. Afterward, head back to the home screen and adjust the temperature by using the up and down arrows. (You can also adjust the temperature setpoint first and then change the mode if required) The display will then indicate “Heat to” or “Cool to” with the target temperature.If the room temperature is below the heat set point, the thermostat display should indicate a call for heat. 2. Ensure that the furnace door is closed. 3. Make sure that the furnace power switch and circuit breakers are on. 4. Verify that the wires were matched correctly and are securely connected at the thermostat.There could be a few reasons why your Honeywell AC won’t turn off. Check if the thermostat is set to the correct temperature and mode. If it is, try resetting the unit by turning off the power and turning it back on. If the issue persists, it may be a malfunctioning thermostat or control board. Can a dirty filter cause the Honeywell AC to not ...Yes, circ fan runs randomly about 35% of the time not including heating or cooling time. If set to Auto it will ignore this feature but if Auto and Circ are displayed it will not (page 25). If you have only Auto showing and the fan still operates you may have a defective thermostat. Let me know if this helps.

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VisionPROTM TH8000 Series 11 69-2389—03. ENGLISH. 1 Cooling system0 Compressor and fan turn off 1 Compressor and fan turn on 2 Second stage compressor turns on. 2 Fan system0 Fan turns off 1 Fan turns on. 3 Heating system0 Heat and fan turn off 1 Heat turns on (fan on if Function 0170 is set for heat pump, or if Function 0180 is set to “1 ...At the room thermostat: the FAN-AUTO-OFF or FAN ON/OFF switch on the room thermostat should be checked. The fan control should be set to AUTO. You can try turning the switch to OFF too. Other snafus such as a shorted thermostat wire can also cause the A/C or warm air furnace fan to run continuously.You can usually tell that the batteries are the root cause of the problem if the screen is flickering, fading, or turned off completely. Most thermostats are powered by the HVAC system, but they still have batteries in case of a power outage. Perhaps your thermostat is entirely battery-operated. ... Solved in 2024: Honeywell Thermostat Fan …Shop programmable thermostats to help manage energy costs and maintain comfort. Set a daily heating/cooling schedule with thermostats such as the T5 7-Day Programmable Thermostat for low-maintenance control of your home's temperature. Shop online or contact a pro for installation. Home. Shop All Products. Air.Sep 30, 2023 · To turn off the fan on a Honeywell thermostat, you can change the fan settings from “On” to “Auto” or “Circ” using the Honeywell Home app or the menu on the thermostat. The “On” setting runs the fan continuously, while the “Auto” setting only activates the fan when the heating or cooling systems are on. Jun 28, 2015 · As noted in the pictures, I have switched the thermostadt to "permanent hold" so the scheduling is not applicable, but still cannot stop the fan from coming on. When the fan is running and the "on" is lit up under the "Fan" heading, the only thing I have been able to do to stop it is to flip the breaker and remove all power to the air handler. Press+ to turn the heat, cool, or fan on. Press to turn them off. Use the Home button to exit the System Test; System test System status. Specifications. Temperature Ranges Heat: 40 °F to 90 °F (4.5 °C to 32.0 °C) Cool: 50 °F to 99 °F (10.0 °C to 37.0 °C) Operating Ambient Temperature 37 °F to 102 °F (2.8 °C to 38.9 °C) Shipping ...Jan 25, 2018 · The Honeywell RTH9585WF1004 Wi-Fi Smart Color Programmable Thermostat offers the best of both worlds in performance and versatility by utilizing Amazon Alexa and a selection of Smart/Intelligent Features. The Honeywell RTH9585WF1004/W Wi-Fi Smart Color Programmable Thermostat is compatible with: Amazon Alexa; SmartThings; Google Home; IFTTT Test the thermostat to see if the fan turns off. Can You Turn The Fan Off On A Thermostat? Yes, you can turn off the fan on a thermostat by setting it to the “off” position. Conclusion. Faulty fan limit switch or a broken relay switch in the thermostat can cause the Honeywell Pro Series thermostat fan to not turn off.Honeywell Thermostat Keeps Going Offline. Before trying to reconnect, you can do the following: Remove the device from the wall for 30 seconds. Reattach the face plat. Try to connect the thermostat to a mobile hotspot. Only after that, you can perform a Wi-Fi reset to try and ‘move’ the thermostat to the Wi-Fi network.Using the Honeywell Digital Voice Assistant to Turn Off the Fan. A. Setting up the voice assistant feature; B. Commanding the voice assistant to turn off the fan; Turning Off the Fan Manually. A. Locating the thermostat control panel; B. Switching off the fan using physical controls; Troubleshooting Common Issues. Fan not turning off despite ...Using this switch, you can set the Honeywell thermostat to hot, cold, or off function. The “Fan” switch will also allow you to set the Fan on Switch On or Auto mode. When you select On for the fan mode, it will work only when the temperature controlling system or air conditioner is working. And the fan works continuously when the mode is ... ….

Apr 20, 2024 · Reset the Honeywell thermostat. If you’re having trouble resetting your Honeywell thermostat fan, you can try a few things. First, make sure you’ve removed the battery from the device. If you can’t find the battery, you may have to take it to your local Honeywell dealer. Next, remove the thermostat cover. You’ll find the cover on the ... Look along the top of the thermostat and locate the button which reads ‘press’. Press down on the button. This will release the battery pack area, which will rotate outward, and then should slide completely up and out. Remove the old batteries and dispose of them properly. Replace with new batteries.Go to your thermostat and switch from Heating to Cooling and then feel the temperature of the air blowing from the vent. If COLD, this means your thermostat is cooling correctly, but the heating isn’t working properly. Contact Support at 1-855-733-5465 to find a pro-installer in your area.Google’s Nest unit today launched its newest thermostat. At $129, the Nest Thermostat is the company’s most affordable one yet, but it’s also the first to feature a new swipe and t...Now, let’s explore some common reasons why your Honeywell thermostat fan might not be turning off: Possible Causes of the Fan Running Continuously. Wrong Fan Mode Selection: The simplest explanation could be that you have accidentally set your thermostat to “On” mode instead of “Auto.” Double-check your thermostat settings to ensure ...Removing your old thermostat 2 Check that your system is off. Change the temperature on your old thermostat to be above room temperature in heat mode or below it in cool mode. If you don’t hear the system turn on within 5 minutes, the power is off. Note: If you have a digital thermostat that has a blank display, skip this step. 1 Turn power OFF.Honeywell thermostats are known for their reliability and user-friendly design. However, like any electronic device, they can sometimes encounter issues that require troubleshootin...Solution. Calibrate or replace the thermostat: Turn off power to the furnace or air handler. Locate the thermostat and remove the cover. Check if the thermostat is level and correctly installed. Check the calibration of the thermostat using a thermometer or temperature sensor. Honeywell thermostat turn off fan, Now, let’s explore some common reasons why your Honeywell thermostat fan might not be turning off: Possible Causes of the Fan Running Continuously. Wrong Fan Mode Selection: The simplest explanation could be that you have accidentally set your thermostat to “On” mode instead of “Auto.” Double-check your thermostat settings to ensure ..., Use the Optional Cover Plate when: • Mounting the thermostat to an electrical junction box • Or when you need to cover paint gap from old thermostat. 1. Separate the Junction Box Adapter from the Cover Plate. See Figure 1. 2. Page 7: Power Options Before starting, turn the power off at the breaker box or switch. Open package to find the UWP., Make sure function 38 is set to 1, then proceed to function 39. Use the up or down arrow to change function 39 function to 0 then press done. WiFi setup will then be displayed on the screen.*. Step 2 – Connect the thermostat to your home WiFi (via an internet browser on your mobile device) After connecting to the thermostat WiFi ..., Verify your thermostat’s wiring. Check that the wires are connected securely to the terminals. Remember, the color of the wires only relates to the terminals they are connecting. Reference: The Y terminal on your thermostat controls the primary (1st stage) cooling. (Or the Y and O/B terminal if you have a heat pump system) In addition, the G ..., Nov 16, 2022 ... All My Favorite Tools: https://www.amazon.com/shop/everydayhomerepairs Dave from The DIY HVAC GUY YouTube channel will walk us through how ..., Go to your thermostat and switch from Heating to Cooling and then feel the temperature of the air blowing from the vent. If COLD, this means your thermostat is cooling correctly, but the heating isn’t working properly. Contact Support at 1-855-733-5465 to find a pro-installer in your area., If you have an older thermostat with a sealed mercury tube, turn to page 2 for proper disposal instructions. Terminal designation C C MCR31537 2 Remove Old Thermostat Remove old thermostat but leave wallplate with wires attached. 4 Separate Wallplate from New Thermostat Remove wallplate from the new thermostat and mount onto wall. M32731, If your fan is running constantly or won’t turn off when dealing with your thermostat, one of the first things you should do is check the white button on the side of the unit. This button controls whether or not the fan is set to Auto or On. Make sure it’s set to Auto. If that doesn’t work, you may need to disconnect the wires from the ... , Contractor's Assistant: I understand that you're looking for a home thermostat that can control the fan to turn it off as well as set it to auto or on. Is that correct? Yes. Contractor's Assistant: Are you specifically looking for a Honeywell thermostat or are you open to other brands as well? Ideally Honeywell but others if they work, You can usually tell that the batteries are the root cause of the problem if the screen is flickering, fading, or turned off completely. Most thermostats are powered by the HVAC system, but they still have batteries in case of a power outage. Perhaps your thermostat is entirely battery-operated. ... Solved in 2024: Honeywell Thermostat Fan …, Tim my ac will not turn off even after cooling to set temp. I have tried all options on the Honeywell control. Going to stop does not work. I have to pull the front piece of the Honeywell controller off the wall or shut the breaker to stop it It gets cooler. I am in Florida and only use cool mode, I have a Honeywell RTH6400D thermostat and a Heat pump without backup. The thermostat works correctly with the heating but when I turned on the AC today it started cooling but now the fan won't shut o …, Disconnect the wires and remove the old thermostat baseplate. Install the baseplate for the new thermostat. Use the image on your phone to connect the wires to the correct terminals. Install batteries if necessary, snap on the cover plate and turn the circuit breaker back on. Originally Published: January 04, 2023., COLUMBIA THERMOSTAT FUND INSTITUTIONAL 3 CLASS- Performance charts including intraday, historical charts and prices and keydata. Indices Commodities Currencies Stocks, If you have an older thermostat with a sealed mercury tube, turn to page 2 for proper disposal instructions. Terminal designation C C MCR31537 2 Remove Old Thermostat Remove old thermostat but leave wallplate with wires attached. 4 Separate Wallplate from New Thermostat Remove wallplate from the new thermostat and mount onto wall. M32731, The fan relay, or the furnaces fan limit control is stuck in the closed position. If you have taken the thermostat off the wall and disconnected the wires, you can try removing the green wire from the thermostat. if the fan keeps running it is a problem as described with those two control. Make sure before you go that far that you inspect the ..., RLV - Turn on/off the thermostat by pressing the up and down buttons at the lower right-end corner below the mode button. Other Honeywell thermostats have …, Key Points: Press any button on the Honeywell thermostat to activate the touch screen feature. The touch screen will automatically turn on, giving you access to the thermostat’s settings. Follow specific instructions for your Honeywell thermostat model. Ensure that you press any button, as this will activate the touch screen feature., The Honeywell RTH9585WF1004 Wi-Fi Smart Color Programmable Thermostat offers the best of both worlds in performance and versatility by utilizing Amazon Alexa and a selection of Smart/Intelligent Features. The Honeywell RTH9585WF1004/W Wi-Fi Smart Color Programmable Thermostat is compatible with: Amazon Alexa; SmartThings; Google Home; IFTTT, Solution. Calibrate or replace the thermostat: Turn off power to the furnace or air handler. Locate the thermostat and remove the cover. Check if the thermostat is level and correctly installed. Check the calibration of the thermostat using a thermometer or temperature sensor., Wait To See If It’s Delayed Signals. First things first. If your thermostat isn’t turned off entirely and it just turned the heat off, calm down. It can take several minutes for your furnace to turn off once they get the signal. Give it 10 minutes and see if you can still hear the hum of the furnace., Jun 28, 2021 · A separate article, HEAT WON'T TURN OFF, gives diagnostic procedures for other reasons why building heat wont' turn off besides problems at the thermostat itself. Article Contents. THERMOSTAT WON'T TURN OFF - page top; STEP 1: CHANGE THE THERMOSTAT SETTING; STEP 2: CONFIRM PROBLEM in THERMOSTAT or WIRES; STEP 3: CHECK DAMAGED THERMOSTAT WIRES , Clean Screen: The Clean Screen feature disables the thermostat screen for 30 seconds. Wipe your thermostat with a clean, damp cloth. After the timer runs out, the thermostat screen is reactivated and returns to the main display. Temp Scale: You can adjust the temperature display settings at any time., Testing a Honeywell Thermostat. If the thermostat LED is lit, do a test by turning the thermostat to its maximum setting (in HEAT mode) or minimum setting (in COOL mode), turning the main control to AUTO or FAN and waiting for the blower to start. If it doesn't, remove the thermostat cover and check the wiring., Sep 19, 2023 · Step by Step Guide for Honeywell Thermostat Fan Turn On. Tools and Materials Needed. Step-by-Step Troubleshooting. DIY Fixes for Honeywell Fan Won’t Turn On. 1. Reconnect Loose or Disconnected Wires. 2. Resetting the Thermostat. 3. , Apr 22, 2024 · To turn off the fan on a Honeywell thermostat, simply press the “Fan” button until it displays “Auto” instead of “On”. This will set the fan to only run when heating or cooling is in operation. , or call Honeywell Customer Care toll-free at 1-800-468-1502 ® U.S. Registered Trademark. Patents pending. ... depending on how your thermostat was installed. M27529 System Fan Done System Heat Fan Auto. RTH7600, RET97 Series ... Press HOLD to turn off program schedule and maintain set temperature Adjust temperature., You're in control with the Honeywell Home Prestige® IAQ 2.0 Thermostat. This device lets you control your entire home's comfort via temperature, humidification, air-conditioning and ventilation. RedLINK® Technology lets you adjust these settings remotely. SELECT A MODEL: THX9421R5021WW Basic Prestige® 2-Wire Thermostat with RedLINK®., Fan schedule: Homeowners can create a fan schedule to align with their daily routines, maximizing energy efficiency and comfort. Fan runtime: With this setting, users can establish a maximum operating time for the fan, reducing energy consumption and enhancing system performance. Identifying The Issue. When your Honeywell Pro …, Turning off the fan on your Honeywell thermostat is simple and straightforward. To start, locate the switch on the side of your thermostat that controls the fan. Depending on what type of system you have, this switch may be labeled “On/Auto” or simply “Fan”. If it says “On”, flip it to “Auto”; if it says “Fan”, turn it to “Off”., Press+ to turn the heat, cool, or fan on. Press to turn them off. Use the Home button to exit the System Test; System test System status. Specifications. Temperature Ranges Heat: 40 °F to 90 °F (4.5 °C to 32.0 °C) Cool: 50 °F to 99 °F (10.0 °C to 37.0 °C) Operating Ambient Temperature 37 °F to 102 °F (2.8 °C to 38.9 °C) Shipping ..., Sep 23, 2021 · Summing It Up. The fan setting on a thermostat lets you set the blower fan to run continually, or turn on automatically. Auto settings only run your air conditioner fan when the furnace or air conditioner is in operation. This option can save a small fortune in energy bills, but it can cause wear and tear on the blower itself. , WiFi Thermostats. With WiFi Thermostats like our Honeywell Home T9 Smart Thermostat, we bring you helpful, connected products so you can enjoy optimal comfort in your home. Shop online or connect with a Pro for consultation and installation to help manage energy costs while maintaining a comfortable temperature. Home. Shop All …