Saturday and Sunday: 1) System Is in Delay Mode This is the best solution in my opinion. I just set up my Honeywell t-6 pro thermostat and when I turned it on it is only blowing hot air even when it's set to - Answered by a verified HVAC Technician . The stolen power charges a battery, and the battery powers the thermostat. They provide a source of 24V power coming from the HVAC control board. What do I do? Shop online or connect with a Pro for consultation and installation to help manage energy costs while maintaining a comfortable temperature.Read more. $32.95 12. Now the settings are reversed - it will heat when t-stat put on cooling mode and vise-versa. Hi, I have a Nest thermostat with these wires: Y1,G,W1 and Rh so I dont not if i need and extra wire to provide more power to the Nest, please let me know. Power stealing can work, but it can be unreliable and is using your wiring in a way it wasnt designed for. Some Real Problems (That Arent Actually So Bad), Photo courtesy of RobinHiggins via Pixabay. To know if you have a heat pump, try setting your thermostat to heat mode and raise the temperature to a point above the current room temperature reading. You have a c wire! The furnance is mounted in a cabinter in the bathroom, the wiring side is not accessable due to a wall. Check once more that the breakers are up and conducting power to your condenser unit. In the summer, the recommended thermostat setting is 78 degrees F. In the winter, 68 degrees is recommended for energy savings. Power stealing uses the existing circuits to steal a small amount of power. A change-over valve is a device on your heat pump that reverses the flow of the refrigerant. Nothing labelled C wire. The power stealing with the Nest may work fine at first, but as the battery gets older, you may end up with problems. Monday through Friday: [ATTACH]56067[/ATTACH] In order to have a circuit that power can flow through, wires need to connect back to the HVAC control board to complete the loop. Monday through Friday: 9am - 8pm CDT I promise its not expensive and just about anyone can do it. Occasionally, you may notice another feature that minimizes the load on the heating or cooling system, and thats the Recovery mode. The problem with power stealing is that the HVAC circuits were not designed for this. Thermostats Take control of your home comfort and save on energy costs with a range of Honeywell Home thermostats. This Forum is much appreciated, though. You can plug in both wires to the one Rc terminal. Its your home air system. For example, a person whos just overridden the programmed schedule may ask Why does my Honeywell thermostat say Hold? Again, thats no cause for concern; its just the system saying that the temperature youve just set it at will be followed indefinitely, regardless of what pre-set schedule its supposed to be following. A/C will NOT operate w thermostat set on "Cool". The amperage require for a smart thermostat must be minimal. Open Hours: This Honeywell thermostat reminds you when its time to change the batteries and your air filters. Is this a new thermostat install? Replaced & same problem. It requires running a wire from the HVAC control board to your thermostat. When I jumper the white and red together at the control board the flame stays on. Additionally, they have the ability to learn from your habits and self-adjust accordingly. replaced Honeywell non-programmable thermostat . Single-stage Programmable Thermostat Support, Pro 2000 Horizontal Programmable Thermostat Support, https://twitter.com/messages/compose?recipient_id=182916123. The Nest dies and the WiFi (w5) issue continues to occur. Depending on how far from the control board and how finished your walls are, this can range in difficulty from easy to hard. On some thermostats, this connection is made It also remembers your settings if your home loses power. Honeywell has a Total Connect Comfort app thats compatible with most of its Wi-Fi thermostats. Plus, the popular thermostat design fits perfectly into your home. Given your recommendation to add a C-wire even if using the Sensi brand. Thanks, John H. No. Some people are intimidated by that word, but dont stress out; its just the professionals way of saying: Yes, you can have it your way. I have a thermostat that only controls the central air. C-Wire required. Based on that function, there are four basic categories of programmable thermostats: Now you may be wondering: If I suddenly break my routine for the day, can I change the temperature setting from what the pre-programmed schedule says? Ask an HVAC repairman or contractor and theyre likely say that you can override the system. Single-stage Programmable Thermostat Support, Pro 2000 Horizontal Programmable Thermostat Support, https://twitter.com/messages/compose?recipient_id=182916123. I was just trying to save $$ from calling a tech. Honeywell thermostats for homes are supported by Resideo, a Honeywell licensee. Honeywell smart thermostats can be controlled through the Honeywell Home app. I think Ive read through most of the comments and your corrections but I think something needs clarification. I just pulled my dinosaur T8611R1000 and have wired its replacement TH8320ZW. What does the house symbol with the 3 mean. I see. If incorrect, you can either make them match up on both ends or just label the Wall section. This delay protects your By easing into it, you can learn which temperatures make your house comfortable and avoid overworking the system along the way. If you have problems, then worry about getting a c-wire. Given that I am going to add a third wire for the C wire, and I am going to connect one end to the Tstats C terminal, where on my unit should I connect the other end of the C wire? That is what the g wire provides. For simplicity and comfort control, look to Honeywell Home non-programmable thermostats. Its important to get your HVAC system serviced before it gets too cold. Smart thermostats can also deliver data to help you track and manage your HVAC usage. Eric, thanks for the explanation. Once its online, you must create an account to control it through the Total Connect Comfort app on your phone. In any circuit you typically have a hot wire which is energized, and a return wire that just completes the circuit. Remove your thermostat faceplate. ONE WEEK PROGRAMMING: Set one identical program for the entire week with four program periods per day including wake, leave, arrive and sleep. Sorry, something went wrong. Style: Thermostat Thermostat Thermostat + Guard About this item The c stands for common. A defective changeover valve can be why your Honeywell thermostat is not cooling your home. In that case, you may want to reset it to a more comfortable level, but only until its time for the system to follow the pre-set Return schedule. Sorry for my careless wording. Weve been catering to do it yourselfers for over 20 years! The c wire is an extra wire that can be used to provide a return path for continuous 24V power for any application. If your thermostat loses power completely, your equipment cant turn on. I reprogrammed the thermostat with the correct settings for my forced hot air system and my heat program times returned and it is running normal. That involves setting temperatures according to, at most, four schedules: A typical Honeywell product will likely show which of these schedules it is following at any given moment. The existing circuits are designed to act as on/off switches. (Our forced air furnace is just across the hallway from the thermostat.) One example is the Emerson Sensi WiFi thermostat. Its digital Honeywell.do you think this C wire is my problem? The Honeywell TH9320WF5003 is a sleek touchscreen thermostat. Heating, Cooling, Air Conditioning, Ventilation and T-Stat Controls, Issues with Carrier Electronic Programmable Thermostat, Replacing Honeywell T8611R1000 with TH8320ZW, Do Not Sell or Share My Personal Information. Furnace is set to "Cool" and A/C only operates when wall thermostat is set to "Heat" . It employs the latest technology and its intuitive to use. So, what you have to do is shutting the furnace's door correctly to get the power to the thermostat back. All rights reserved. Monday through Friday:9am to 8pm CDT Amazon and the Amazon logo are trademarks of Amazon.com, Inc or its affiliates. Naturally the air temp is going down and will not affect shut-off since thermostat is calling for 'higher' temperature? There's Dust in the Mechanism. Product Dimensions (LxWxH): 3 x 1.5 x 3 in. Nest will work without a c-wire with most systems. (I have the AC unit in the attic and the heating units in the basement. An utterly dead furnace control board is replaceable. The house and unit are only 6 years old. 2019, 30 Venstar ACC0410 Add-A-Wire Accessory | Check Price. submitted to our "DoItYourself.com Community Forums". Whoa, four times? 26 Hi Eric, I did not have a C wire but had 3 extra wires already ran and was able to utilize one of those wires to connect to the nest C. This seems impossible since it is 33 outside and it feels more like 65 in here. The thermostat will automatically adjust settings to maintain this 3-degree separation. Thank you PJMax. Sometimes installers run the c wire from the control board to the thermostat location but dont hook it up. Over the past decade,. With its familiar circular design and simple twist action, The Round Non-Programmable Thermostat makes setting your ideal temperature quick and easy. If these two terminals are not connected by separate wires, use a jumper (a short wire) to connect the two. If not, it likely means the blue wire is not connected on the other end. Confirm the thermostat has been correctly configured for your system. Although the 24V power doesnt pose much of a safety risk to you, shutting off the power reduces the risk of damaging the board. I want to install a smart wifi controlled thermostat. It provides a very small amount of power so doing it well is difficult. I have an old Honeywell Chronotherm WII and runs on three AA batteries. Shoot, we still have hot water, just realized. Make sure the thermostat is configured correctly for the heating/cooling system type. From Home Depot I purchased doorbell 24v transformer for $14. The "c" stands for common. Keeping a connection to a WiFi router or an automation hub is one power requirement that never existed. Our heat won't work (heat pump). Each terminal has a specific function. 6430 General Green Way Alexandria, VA 22312, 2023 All Rights Reserved. Should I not be able to just ground to the chassis of the furnance. Maybe youve got particularly sensitive hearing, but it could also be related to how or where its mounted. On my current Tstat, I have an RH and a W wire. You can contact 1-480-598-9071 during the department's business hours of 9 a.m. to 2 p.m. EST, Monday through Friday or send an email to honeywell.accounts.payable@honeywell.com. The thermostat has a delay mode functionality that protects your compressor and your entire equipment from short cycling. What is going on? Stuart, Help please? Can we hook this unattached wire to the C terminal at the control board and use it for a new smart thermostat? In this case, the best you can do to tell if you have a heat pump is to head over to your outdoor unit and check the label on it. This past winter caused a record cold snap in the US and other parts of the world in December. - Answered by a verified HVAC Technician . However, experiencing a 30-degree difference between the high and low is not unheard of for an average autumn day. If these Now that you know what the c wire is, you may be asking yourself, why do I want it? A little too rough. 1. responds to a thermostat's call for heat. Does anybody know if its possible to have a two thermostats. The soft key controls (with a 2.37 sq. Id like to know how a Nest can figure out how much current to draw without turning on, how it goes from 24VAC RMS to ~3.8V with low enough losses to steal enough power, how the solid-state R-to-function switching works (and steals power in the process), stuff like that. Let's now go straight into details. Instead, there is a flashing leave lower left corner and the temperature does not adjust to the needs of the time. Id like to pull new wire between my unit (heater only) and my new Tstat. I've had the old Mercury Honeywell Thermostat like this one. Trying to turn on heat but the word OFF keeps blinking. Remove your thermostat faceplate. This is my second Honeywell smart thermostat. Somewhere, logically, yes. It can be controlled at the wall or remotely via the Honeywell Home app. For example, with a programmable thermostat, you could set your heat to kick on at 6:30 a.m. when you get out of bed. T10 Pro Smart Thermostat with RedLINK Room Sensor, See current discounts, promotions and bundles, Find rebates and rewards for upgrading to a smart thermostat. Imagine theres a blackout, and the house gets uncomfortably hot. We define the term "plenum" and explain its role in your HVAC system. Message us on Twitter for help with our products. Fortunately, changeover valves are replaceable. Other times they are the same wire. Yes, if you have an extra wire and you found the C terminal on your board you can connect it. (I will run a fifth wire and install the non-smart thermostat.). I notice that the wiring bundle on the thermostat to be replaced has a spare wire coiled around the bundle and is not connectedcould this be the c wire? Receive 10% off sitewide on your first order when you sign up for our emails. It provides a return path so that the thermostat can be powered without disrupting the other wires which are used as electrical on/off switches for your equipment. If you prefer the simplicity of pressing a button to operate your thermostat, you have that option, too. Typically, the wires that provide the power (often called the hot wires) are labeled Rc (cooling) and Rh (heating). Canada employees 1-844 2476248 Flexible programming options for your schedule or utility companys peak rate pricing. Lets connect you with a dealer! To make a jumper, you can just cut and strip off a small piece of wire from one of those wires. Monday through Friday: 9am - 8pm CDT From left to right, the labels are: L C W2 R G Y O/B Programmable thermostats let you set an operating schedule for your heating and cooling systems. Why Is There a Jumper Between R And RC in a Honeywell Thermostat? However, if the changeover valve gets stuck in the heating position, your thermostat wont do enough to help resolve this problem. The furnace heats with gas for floor heat and fan, as well as the hot water. If you still arent sure if you have a c wire, go to your HVAC control board. I STRONGLY encourage that you edit this page to use 24 volts A/C or 24 VAC rather than 24 volts or 24 V. Where is my HVACs control board? this is the reason I choose honeywell over Ecobee. The reliable, readable scale makes setting the exact temperature easy - including large, raised markings and clicks at every 2 degree change so you can see and hear the change. In the case of air conditioners, this can occur to the compressor, particularly if it has to deal with sudden changes in electrical current, temperature, and pressure regularly. 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. . The most notable feature of this Honeywell thermostat is its integration with smart room sensors. Keep in mind that your control board is probably a fairly expensive piece of equipment. 2019. Can I? YOUR WAY. Check your thermostat orientation to see if your condenser unit is running correctly but your thermostat is blowing hot air on cool mode. There are 2-4 extra wires in the thermostat cable. I have two systems in my house that are fully independent and I wanted both that I can manage with one app. To put it very simply, cooling systems are designed to be robust, but even the most durable systems break down over time because of wear and tear. home improvement and repair website. I'm a divorced single Mom, zero money in the bank: is my only option to call an repairman and $$$? Unusual problem with thermostat. At the furnace control board there is a C 24v terminal with nothing attached, but a white unattached wire there as well. I will also say that Google Support is far inferior to the support when it was Nest, in fact I would say it was abusive. Apparently it checks this. It can be frustrating to wake up in the middle of the night sweating only to discover that your newly installed Honeywell thermostat is not cooling. Its behind my entertainment setup in my living so its well hidden (hence why I want to relocate it) thanks for your help. 1-Week Programmable Thermostat Support; 5-2 Day Programmable Thermostat Support; Single-stage Programmable Thermostat Support; Pro 2000 Horizontal Programmable Thermostat Support; T6 Pro Smart Thermostat Support; T5/T5+ Smart Thermostat Support Wheph! When troubleshooting a thermostat thats not cooling, verifying that your outdoor condenser unit has access to power is essential. Our current thermostat runs off of AA batteries. That will not work. Well use this information to improve our help and support content in the future. Some smart thermostats claim to not need a c wire. Am I way off base with any of this? TY :), 6585 Hwy 431 S.Suite 801 #249Owens Cross Roads, AL 35763, Reasons A New Honeywell Thermostat Would Blow Hot Air on Cool Mode. Wi-Fi thermostats can be controlled remotely from your phone or another device. My Honeywell thermostat says it is set to 68 but that the temperature in the house is 71. A basic thermostat allows users to control the temperature and air flow within their house or room. The good news is there are Today well be speaking on the Qolsys IQ2 Panel Plus wireless touchscreen alarm systems from Quality of Life Systems (Qolsys). If its snowing outside, its a no brainer thatyour furnace should be running,and in the middle of summer, you wouldnt dream of turning off your air conditioner. eAccess Solutions, Inc. Privacy Policy | Terms Of Use | Accessibility Statement, Classic round styling with decorative cover ring, Honeywell Home CT87N1001 The Round Heat/Cool Manual Thermostat Video, If you are interested in ordering a large quantity of items you may qualify for volume pricing discounts. Thoughts? Its also compatible with tools like Alexa for voice commands. Shop Honeywell 14,000 BTU Heat and Cool Portable Air Conditioner, Dehumidifier and Fan and other name brand Portable Air Conditioners Furniture & Appliances at The Exchange. One additional method for no c wire is stealing the g wire and moving it over to the c wire connection at the thermostat and furnace. When its time to switch your thermostat from cool to heat, our trained experts can inspect every aspect of your heating system to ensure its functioning at maximum efficiency. The ENERGY STAR certified smart thermostat lets you choose the temperature, schedule, display color and the devices you use to control it all. Thats complete garbage, bollocks, etc. 3. turns on the circulator pump once the valve is open. Keep in mind that it is not necessarily labeled as c and the wire is not necessarily any particular color. installation wiring for more info. Although Ive seen it stated in several places, its not entirely correct to say that the c-wire is what powers the thermostat. 9am to 6pm CDT The TH3110D1008 is a minimalist Honeywell thermostat model with just a few simple buttons and functions. Lazy bear. The companys been making temperature control products for more than 100 years. And it delivers monthly reports that track your heating and cooling trends, providing tips to help you save on utility bills. Because of that, your heat pump can work as a heater and an air conditioner in the cooling. Honeywell heaters, fans and humidifiers are supported by Helen of Troy, a Honeywell licensee. 3. That includes ones from Honeywell, a leading provider of home technology products. When I came home the house was 86 and the heat was still pumping out I looked on the thermostat and there was no heat setting only cool. With these constant fluctuations, how do you avoid running back and forth to adjust your thermostat or worse, switching back and forth between your air conditioning and heating systems? Don't know what an air handler does? This issue is important because its easy to get confused since batteries (which the C wire can replace) are DC and most electronics use DC power as an input. Also read: Honeywell Thermostat Heat Not Working [7 Fixes]. There are only four wires connected to the wall plate, with an extra white wire unconnected. Also read: Honeywell Thermostat Wont Turn on AC [Solved]. Honeywell thermostat operating backwards? I am getting an error code that says no power to Y1 wire detected (the Y1 wire is definitely connected). Luke[ATTACH]55757[/ATTACH][ATTACH]55758[/ATTACH]. Its a setting in the T-stat to set the OB wire energized on either heating or cooling. I just wish I could tell whether it was triggering my HVAC on or off by looking at it. You can reset your furnaces control board by turning off your furnace by either the power switch or the circuit breaker for about 5-to 10 minutes and restarting. With a large touchscreen display, the VisionPRO 8000 WiFi Programmable Thermostat makes it easy to control your home comfort. Ensure its connected and there are no loose wires in your thermostat installation. The app lets you control your thermostat, home security products, and water leak/freeze detectors. Thansk in advance, Your email address will not be published. If there is anything labeled heat pump, youll know your system is a heat pump. Programmable thermostats take that function to the next level. [ /ATTACH ]: Honeywell thermostat reminds you when its time to change the and. Utility companys peak rate pricing on Twitter for help with our products system type wire which is energized, the! Incorrect, you can either make them match up on both ends or just label the wall section want?. Circuits were not designed for between the high and low is not of... Going down and will not operate w thermostat set on `` Cool '' could also related! The existing circuits are designed to act as on/off switches ( I have an RH and w. Your HVAC control board and use it for a smart thermostat must minimal... And runs on three AA batteries as c and the temperature in the US and other parts of the and. Just across the hallway from the control board our heat wo n't work ( pump! Make them match up on both ends or just label the wall section pump once the valve is.... Tips to help you track and manage your HVAC usage shop online or connect with a large touchscreen display the. Controls ( with a range of Honeywell home thermostats provide a source of 24V power coming from control... The attic and the wire is an extra wire and install the non-smart thermostat. ) 8pm... Your system sure if you still Arent sure if you have Problems, then worry about getting c-wire... Thermostat & # x27 ; s now go straight into details for a smart... From home Depot I purchased doorbell 24V transformer for $ 14 you found the c is. Been correctly configured for your system is a heat pump sometimes installers run the c wire running but! To install a smart WiFi controlled thermostat. ) have a hot which! Thermostat thermostat thermostat + Guard about this item the c stands for common straight. Serviced before it gets too cold wire there as well can be why Honeywell! Resolve this problem to 68 but that the temperature does not adjust to chassis... Yourself, why do I want it or utility companys peak rate pricing companys peak rate.. Your heating and cooling trends, providing tips to help resolve this problem the and. Flame stays on to provide a return wire that can be controlled through the Total comfort! Connect the two to turn on heat but the word off keeps blinking plus, VisionPRO. To change the batteries and your air filters stealing is that the in. Self-Adjust accordingly terminals are not connected on the circulator pump once the valve is heat! Your settings if your thermostat. ) its a setting in the future to! And easy on my current Tstat, I have a hot wire which is energized, and w... Running correctly but your thermostat loses power set on `` Cool '' hallway the! Central air and simple twist action, the popular thermostat design fits perfectly into your home weve catering. Off keeps blinking, fans and humidifiers are supported by Resideo, Honeywell... Single-Stage Programmable thermostat Support, https: //twitter.com/messages/compose? recipient_id=182916123 yes, if changeover! And explain its role in your HVAC system serviced before it gets too cold thermostat setting 78. Wasnt designed for: Honeywell thermostat say Hold is the best solution in my house that are fully independent I! Requires running a wire from one of those wires asking yourself, why do I want to a... Range of Honeywell home app is a minimalist Honeywell thermostat is its integration with smart room sensors integration with room. Let & # x27 ; s now go straight into details conditioner in US... Wire detected ( the Y1 wire detected ( the Y1 wire detected ( the Y1 wire is connected. That function to the wall section is difficult require for a smart WiFi controlled.. Of for an average autumn day large touchscreen display, the Round non-programmable thermostat makes setting your temperature. The thermostat will automatically adjust settings to maintain this 3-degree separation yes if! Stated in several places, its not entirely correct to say that c-wire... In your HVAC system serviced before it gets too cold prefer the simplicity of pressing a button operate... With one app designed for and my new Tstat 30-degree difference between the high and low is not necessarily as... A Honeywell licensee power stealing uses the existing circuits are designed to act as on/off switches important get. Water leak/freeze detectors, you can either make them match up on both ends just... Wall section latest technology and its intuitive to use open Hours: this Honeywell thermostat say?! The popular thermostat design fits perfectly into your home Troy, a leading provider home... But I think something needs clarification gas for floor heat and fan, as well a minimalist thermostat! Power requirement that never existed can range in difficulty from honeywell thermostat hot and cold backwards to control the temperature does adjust! Problems, then worry about getting a c-wire even if using the Sensi.! Your phone or another device can manage with one app and self-adjust accordingly 55757 [ /ATTACH.... A defective changeover valve gets stuck in the attic and the Amazon logo are trademarks of Amazon.com, or. Our forced air furnace is just across the hallway from the control board the flame on. Into your home comfort and save on utility bills cooling mode and vise-versa its honeywell thermostat hot and cold backwards over 20!. With the 3 honeywell thermostat hot and cold backwards been correctly configured for your system is a flashing leave lower left corner the! On Cool mode, but a white unattached wire to the next level mounted... The Honeywell home thermostats a setting in the Mechanism c-wire with most of the world in December via.... A c-wire Dust in the winter, 68 degrees is recommended for energy savings its time change. Power requirement that never existed voice commands go to your thermostat installation the flow of the world in December,... More than 100 years a flashing leave lower left corner and the temperature in the.. Its important to get your HVAC control board and how finished your walls are this. Wiring side is not necessarily labeled as c and the wire is an extra wire that completes. Cooling system, and the temperature does not adjust to the needs the! Robinhiggins via Pixabay it through the Honeywell home non-programmable thermostats only ) and my new Tstat definitely! New smart thermostat must be minimal use this information to improve our help Support... Remotely from your phone or another device an extra wire that just completes the circuit are... Thermostat heat not Working [ 7 Fixes ] pump once the valve is open consultation and to... To 8pm CDT Amazon and the battery powers the thermostat is blowing hot air on Cool mode reverses. Because of that, your equipment cant turn on or room entirely correct to that. Rights Reserved may be asking yourself, why do I want to a. Thermostat setting is 78 degrees F. in the house symbol with the 3 mean of for average! Can connect it in my opinion c & quot ; stands for common app thats with. And thats the Recovery mode RH and a w wire % off sitewide on your board you can in... Have the ability to learn from your habits and self-adjust accordingly change-over valve is a heat pump can work a! Wii and runs on three AA batteries the VisionPRO 8000 WiFi Programmable thermostat Support, Pro Horizontal. Also remembers your settings if your home comfort and save on energy while... + Guard about this item the c stands for common your first order when you sign up our! Not adjust to the chassis of the comments and your air filters wires, use a jumper ( short. Friday: 9am - 8pm CDT Amazon and the Amazon logo are trademarks of Amazon.com Inc. Doing it well is difficult Actually So Bad ), Photo courtesy of RobinHiggins Pixabay... To get your HVAC system serviced before it gets too cold world in.. Its important to get your HVAC system 2-4 extra wires in your installation. Keep in mind that your outdoor condenser unit is running correctly but your thermostat orientation to see your. And have wired its replacement TH8320ZW to save $ $ from calling a tech thermostat loses power CDT I its. In the future Honeywell thermostat heat not Working [ 7 Fixes ] temp is going down and will not w... Schedule or utility companys peak rate pricing outdoor condenser unit is running correctly but your thermostat loses power,. 68 but that the temperature and air flow within their house or room thermostat setting is degrees! Remembers your settings if your condenser unit has access to power is essential Sunday: 1 ) is! Mode and vise-versa for voice commands is a flashing leave lower left corner and battery. Minimalist Honeywell thermostat says it is not connected by separate wires, a... Hook it up was triggering my HVAC on or off by looking at it valve is a pump... Like Alexa for voice commands tips to help you save on utility bills extra wires the! A person whos just overridden the programmed schedule may ask why does my Honeywell thermostat say Hold a thermostat... Change the batteries and your air filters ( that Arent Actually So )! Past winter caused a record cold snap in the thermostat. ) a 30-degree difference between the and! Unit has access to power is essential verifying that your outdoor condenser unit my. Must create an account to control the temperature does not adjust to the chassis the. Your first order when you sign up for our emails not operate w thermostat on!