YES – Congratulations! You shouldn’t ever use EM heat unless there’s truly an emergency—like your heat pump isn’t working— because backup heating … NO – Contact Support at 1-855-733-5465 to find a pro-installer in your area. Open Hours: Often there’s a single circuit breaker that feeds the furnace itself, and another that feeds the outside compressor unit in HVAC arrangements. What should we do to improve this article? When there's an error, this light will flash or blink rapidly. But this morning I looked at the display and it says "aux heat on", but there is no heat blowing. 17. After everything is installed and connected the thermostat does not switch to “Aux Heat On” automatically when I set temperature 5 (or more) degrees higher. Leave O/B alone. 4) Auxiliary heat is malfunctioning Below 40 degrees, your heat pump struggles to heat your home. They’ll turn on the heat correctly in the house, no matter their position. 1-855-733-5465 No matter how far from set temperature the room temperature is, the heating system may not run at all. If no wire is present then you don’t have AUX heat which means that the “Heat Pump Balance” isn’t available. Then, as room temperature rose and fell, the spring changed size, causing the outer end of the spring to move back and forth in accordance with temperature changes. I'm trying to install a new Honeywell RTH6500 thermostat on an old heat pump system that has regular plus emergency heat and the closest matching diagram says to put both the white "W2" wire and black "E" wire into the same port called Aux/E. In this case, the mercury inside does not make the contacts as it should when the room gets too cold. Check for correct wiring at both ends of the thermostat cable. You can avoid expensive repairs by troubleshooting furnace problems before calling a … Call any of the product support numbers above and select the 'Contractor' option. A faulty thermostat, a broken heating system, power losses, damaged wiring, et al. If you searching to check Honeywell Thermostat Flashing Heat On But No Heat And Build Muscle And Strength Program price. But if your thermostat is not holding temperature then your home will feel cooler than it should. EM heat is an option on your thermostat that you can manually turn on to activate backup heating. If your heating is not working, it's probably due to issues with the following: To begin fixing your heating, continue to the Air Flow section. So, after many years, this flexing can wear wire coverings, causing faulty or no heating. You can set thermostats way lower than the ambient temperature in your home. We suggest that you avoid setting the temperature offset to more than one degree either way (+ or – offset). Replace your filter and see if that fixes the problem. I'm trying to update my thermostat to one that has a scheduling feature. Certainly you might see Honeywell thermostat not turning on heat, when it’s not currently set in heating mode! We have a heatpump system with a NG furnace as the aux/backup controlled by a honeywell 8320 thermostat. At the thermostat, affix all wires to the right screw terminals in the mounting plate. 26 $59.99 $59.99. 8. "Heat" "Heat On" Fire Icon; Sun Icon . EM heat is NOT the same thing as AUX heat: AUX heat signifies that your heat pump has automatically switched over to backup heating because temperatures are too low. Do you have wires connected to any of the following terminals? Today’s thermostats have more accurate sensors and many more features. Then, do likewise at the furnace. Mount them on their sides, upside down, or you can even let them dangle by the wires (although we do not recommend this). Aux heat comes from the same heat source as emergency heat, but aux heat works together with your heat pump, so it’s less expensive than emergency heat. If the temperature does not pick up within the first few minutes, many of the new Honeywell models will prompt the aux heat setting. . Seek help from a professional heating technician if you feel insecure matching these wires up with the right terminals. Aube by Honeywell Home TH141HC-28 Heat and Cooling 7-Day Programmable Thermostat. Copyright © 2020 Resideo Technologies, Inc. Honeywell Home is a trademark of Honeywell International Inc. used under license to Resideo Technologies, Inc. 1-800-633-3991 Viewed 33k times 1. Monday through Friday:9am to 8pm CDT Further, you have set your display temperature offset to +3 degrees. Without power, it’s no wonder that the thermostat clicks, but you have no heat or air. Once it gets close to the actual setpoint, the aux heat de-energizes and the heat pump mode of the system remains operating to generate heat and will shut off if the temperature is satisfied. There's typically an error code reference guide inside the furnace cover. Doing this reboots the thermostat. 2.) Why “W” (heat contactor) and “E” Aux Heat connected in Thermostat. On our smart thermostat, as seen in the last picture, we have the option to set it to either heating mode or cooling mode, or OFF. So verify that all breakers are ON. You can cycle main power to the whole furnace system by switching off and on the breakers that feed it. We show that screen pictured above. Heatpump works flawlessly for 10 months out of the year but once the outside temp gets below 30 the heatpump turns off and the aux doesn't start. I would like the furnace to come on as an auxillery heat … Learn more about Resideo's response to COVID-19 >, See current discounts, promotions and bundles, Get more back and more out of your products. You are now complete. This helps assure that the temp reading on the thermostat shows as closer to actual room temp. Therefore, if it’s below 40 outside and the auxiliary heat isn’t working, then your heat pump will just blow lukewarm or cool air. Turn off its power for ten to twenty seconds. Backup furnace. Ask Question Asked 5 years, 7 months ago. Indeed, if tilted too far off of plum or the horizontal, the heating system might never turn on. Other features include: –Quality temperature control for heat pump with auxiliary heat –Emergency and auxiliary heat … If your aux heat indicator is on, it means your heat pump needs a little help reaching its target temperature setting. Check the thermostat screen again: are the icons or messages present? This is when the outside is around 35-40 degrees and the indoor temperature is around three degrees cooler than the thermostat setting. In this way, a faulty cooling system can make the heating system fail too. YES – There's nothing wrong with your system, but it's not correctly configured. Typically, your heat pump will energize the auxiliary heat strip inside your secondary heating source to help reach its set temperature more quickly. Then, check to be sure that the thermostat is set to a temperature high enough to trigger the furnace to emit heat. The thermostat temperature display seems to show that the current room temperature never reaches the set heating temperature, and yet the heat never turns on. How to Troubleshoot a Furnace Blower That Runs No Heat. Aux Ht or Auxiliary heat is the backup heat that turns on to help the compressor for first stage maintain your temperature setting. Understanding and Wiring Heat Pump Thermostats with AUX & Em. Once the ice on the heat pump has mostly melted, the heat pump goes back to normal and AUX heat turns off. Buy Online keeping the vehicle safe transaction. So it relies on an auxiliary (AUX) heat coil (like the ones you see in a toaster) or a furnace to heat your home. So, the thermostat could glean power from either one, although usually not both. Saturday and Sunday: 9am - 5pm CDT, Indoor Air Quality and All Other Homeowner Products In researching installation guides and videos, I found difficulty in solving a dilemma. Next, while holding the thermostat in that marked position, tighten the screws again. You needed proper leveling for this tipping to occur as designed. Switch your thermostat from Heating to Cooling. Here, we discuss no-heat problems, not partial-but-insufficient-heat issues. 15. This system is often located in your basement, attic, or garage. FREE Shipping by Amazon. We suggest putting wall anchors into these holes for a stronger more permanent hold. But sometimes, this problem may not show up for decades. Then switch it on again. Basically, if your heat … Or, maybe the installer stapled the cable with too much pressure, and shorted out the individual conductors in that cable. Does the thermostat show any of the following icons or messages? Also, a power surge in the home’s electrical system can do this as well. Now and then with smart thermostats, a snap of static electricity near the thermostat, can freeze the touch screen. A clogged filter is probably the most common reason for this problem, so it’s a good place to start investigating. Are there any error lights on the furnace? But for non intelligent t-tats you may no power loss indication, except that their backlights don’t glow. $51.26 $ 51. Saturday and Sunday Terminals, Colors, Functions! But with a +3 degree temperature offset in effect, the actual room temperature must fall to three degrees below 74, before the furnace kicks on. In this case, the display offsets may be set too high. Replace the cable between the thermostat and furnace. FREE Shipping by Amazon. Just tap the Heat option and press Done to make the new setting effective. Further, the furnace heater does not run. “Heat Pump Balance” is not available for this type of system. I just had my heat pump all electric system replaced, installed 4 ton Lennox XP14 outdoor unit with CBX32MV air handler with 15KWt ECB40 heat bank. NO – You require a G-Wire to run your fan. Receive free expedited shipping on your order when you sign up for our emails. Get it as soon as Fri, Jan 8. Is this right? Be happy that your heat is not running any more than it is, especially if you’re paying your own energy bills. Be sure the cover is completely closed. Aux heat should only kick on when the heat pump can’t produce enough heat to warm your home on its own. Speak directly with an agent for help with our products. This tipped the mercury switch on or off to bring room temperature nearer to the thermostat set temperature. Sounds like a problem with the blower or fan relay.Turn thermostat off and give me the model number on the indoor air handler. Let’s say that you set the thermostat to heat to 74 degrees. Turn on the gas supply As should be clear, the Honeywell thermostat not turning on heat issue in homes has many causes. Some thermostats may have screws, buttons, or clasps. Decrease the display offset temperature. This may be keeping it from being able to create heat. The screen on Honeywell smart thermostats looks blank or dark. Note: Don't remove any wires from your thermostat at this time. A Honeywell thermostat can help keep your home at a comfortable temperature. Monday through Friday: 7am - 7pm CT. To do that, remove the screws and wires if they get in the way. That is, though you’ve set the temperature to 74, you won’t actually get any heat until the room temperature falls below 71 degrees. Monday through Friday: 9am - 8pm CDT During moderate days outside for instance, you might set the heat temperature to 72 degrees. A heat pump is very efficient, with a low electricity cost. Then we explore the furnace issues that can also cause no heating at all. With an easy-to-read backlit display and simple installation, it can can provide precision temperature control in no time. That is, the thermostat reads, and acts as if, the current indoor temperature is higher than it actually is. Enter your email address to subscribe to this blog and receive notifications of new posts by email. It sometimes looks like a light switch. Then, mark the wall with an erasable pencil. Continue to the. Open Hours: Continue to the, NO – Change mode on thermostat to Heat, and then change the temperature setpoint so it's higher than the current temperature. Your Thermostat should stay on 78F. Here, we list some of these causes, and offer repair tips to solve these no-heat issues. Continue to the. This item is quite nice product. Connect with an agent for quick assistance. This video shows how to change between heating, cooling or turning your system to the off position on your Honeywell T6 Lyric Pro Wi-Fi Thermostat. Continue to the. In this scenario, if you want your place to heat to 74 degrees, then with the +3 degree offset, you’ll need to turn the thermostat up to 77 degrees. NO – Change mode on thermostat to Heat, and then change the temperature setpoint so it's higher than the current temperature. Plus, modern t-stats work well, no matter how far off of level you install them. NO – My heating isn't working, but I'm still feeling air flow. Remove your existing thermostat from the wall plate. Now leave fan in auto and turn to cool and lower numbers and tell me if blower or outdoor unir either one or both come on. These depend on which wires and how many of them you have connected to the wrong thermostat terminals. Here, we discuss no-heat problems, not partial-but-insufficient-heat issues. Poor leveling on older thermostats can affect how well they respond to room temperature changes. After you check the breaker box for your home, you also need to make sure that the furnace is turned on. Single-stage Programmable Thermostat Support, Pro 2000 Horizontal Programmable Thermostat Support, https://twitter.com/messages/compose?recipient_id=182916123. Sometimes when the air outside is too cold, your primary heat pump isn’t able to bring in enough warm air. These address the case when you get no heatting at all, not the scenarios where you experience some but not enough heat. Heat pumps with auxiliary heat have special requirements for temperature control, and the Honeywell Home Digital Non-Programmable Thermostat – Heat Pump from Resideo is made for just that. Locate the Installer guide for your model and verify your settings are correct for your System Type and Heat … First, we look at what might have happened with the Honeywell thermostat itself. W & O/B: Disconnect the wire connected to W and insert it into W2. Further, the heating system may not come on. Another reason you may see the auxiliary/emergency heat come on is when it is unusually cold outside for an extended time. Nor will any warmth flow from your registers if set to Cool mode. Furthermore, the heating and cooling subsystems often get electricity from separate circuit breakers. (Thermostats, WiFi Cameras, Smart Home Security, Water Leak Detectors, and Buoy) Afterwards, continue to the, YES – If the icons or messages are flashing, this means your compressor protection is on. Monday through Friday: 9am - 8pm CDT If you need more heat, try setting the thermostat higher. Finally, drive the screws into those new holes. Heat! By checking that the heating control circuits have power, you’ve ruled out this cause of thermostat power loss. 10. Instead, it moves heat from the outside air into your home. All day (24 hours), Monday through Sunday, Professional Contractor Support To heat your house, a heat pump will transfer heat from the outdoors to the indoors, but only when the outside temp is about 40 degrees. You know if the auxiliary heat is running when you see "Aux Heat On" in the thermostat's display. What best describes the air coming out of your vents? Our suggestion would be to reach out to a professional as soon as possible. This power cycling is a literal snap with many smart thermostat models. This issue normally appears during new thermostat testing only. We’ll use this information to improve our help and support content in the future. I need to reconnect it. Honeywell Home RTH2410B1001 5-1-1 Day Programmable Thermostat. 7. Open Hours: Then we explore the furnace issues that can also cause no heating at all. You've fixed your heating! AUX heat turns on to keep you warm. Sorry, something went wrong. In this case, when the current house temperature is 74 degrees, the thermostat would show 77 degrees. YES – Continue to the next step. Perhaps you’ve reversed the W and Y wires. The thermostat will sense this and turn on electric heat strips automatically turning on the “AUX” heat light. Thus, your heat never comes on. I am a US resident over 18 years of age and agree to the Resideo Privacy Policy.*. Then too, the data shown onscreen no longer updates. Monday through Friday: 9am - 8pm CDT (pic attached of instructions page) Questions: 1.) 9am to 5pm CDT. Contact Support at 1-855-733-5465 to find a pro-installer in your area. Manufacturers would affix a mercury switch to the outside end of that coiled spring. The solid copper wires in the thermostat cable can break if flexed or bent too much. Why? On most thermostats, you can take off the thermostat by grasping and gently pulling. Then re position the thermostat over the new holes. I kept my old thermostat – Honeywell WiFi VisionPro model TH8320WF1029 . Indeed, some of them fall beyond the thermostat. Get it as soon as Fri, Jan 8. *If you are unable to change your System Mode to Heat, your thermostat may not be correctly configured. Dust and debris inside … During this time both your Auxiliary heat and your compressor may be on at the same time. Take a look at your filter and, if it’s really dirty and clogged, it means there’s restricted airflow to your furnace. Set the t-stat’s operational mode to Heat. Most furnaces have lights on them. Wait for 5 minutes until the icons or messages stop flashing, and then continue to the, NO – If the icons or messages aren't flashing, this means your heat should be working. But if you live in a tower structure, such as a tall apartment building, your apartment may never fall below 72 degrees. Just unsnap them from their wall plates. This makes your thermostat display a current temperature reading that is three degrees warmer than the environment actually is. Because they can detach from furnace power without having to unscrew them. A skilled tech will be able to determine what the issue is and fix it before you continue to spend money on high … For those homeowners who never had an issue with their old thermostats but are suddenly experiencing this phenomenon, it may have to do with the specific model of thermostat that you purchased and installed. 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Knowing the causes often helps in making the right repairs as safely as possible. If your thermostat is properly set, ensure that it is getting power—check batteries, fuses and circuit breakers—and ensure that the interior components of the thermostat are clean. If you still have a mercury and bi-metal thermostat, you should replace it with a current all-electronic model that has no moving parts. 4. There's usually a switch next to your furnace that turns it on or off. Auixiliary Heat will turn on automatically when heat can no longer efficiently transfer heat from the outside air to heat pump. from Honeywell, Honeywell Thermostat Not Working Properly. Now the thermostat calls for heat from the furnace when the displayed current temperature falls below 74 degrees. More Buying Choices $14.99 (12 used & … If the heating problem happened when you installed a new thermostat, you may have wired it the wrong way. Yet the effect is still the same, no heat turning on. A power outage in either system could cause Honeywell thermostat not turning on heat. Make sure the breaker to the furnace is turned on. When Honeywell thermostat not turning on heat happens, try rebooting the thermostat. 11. Remove your existing thermostat from the wall plate. But if AUX heat stays on all the time, you have a problem. Product Reviews, Experiences, and Technical Insights from Thomas J. Hesley. 46. But we hope that now, you know what might cause the no heat problem in your home. And when the t-stat thinks that the room is warmer than the set temperature, it will not turn the heat on. Plus, you hear no humming at the furnace. And that’s where the aux heat comes in. 9am to 5pm CDT. We’ll explain this as well as show you why your heat pump needs auxiliary heat, but first you need to understand how a heat pump works… How your heat pump heats your home. Make sure that your thermostat is set to HEAT, not COOL, and ensure that the fan is set to AUTO. 14. Your HVAC system will automatically turn on your electric heat strip to generate the extra heat that you need. In apartment building situations, in which a room might easily hold a 71 degree temperature but not a 74 degree temperature, you may rarely or never feel your heat blowing. 1-800-468-1502 Other symptoms may arise too. Or, if your t-stat does not come off of the wall easily, cycle off and on it at the breaker box. Afterwards, continue to the next step. So, check that all furnace systems are getting electricity. Lay it loosely. And remember, I always recommend that folks change out their … Contact Support at 1-855-733-5465 to find a pro-installer in your area. Make sure the furnace cover is closed. Learn how much a Wi-Fi Thermostat could save you on your energy bills. Avoid tightly stapling the wire, and don’t fasten it more than you must for a secure installation. Contact Support at 1-855-733-5465 to find a pro-installer in your area. $39.46 $ 39. Then, wait a few seconds, and finally snap them back into place to reboot. Subsystems often get power right from the vent switching off and on the heat pump can ’ glow. You know if the icons or messages are Flashing, this light will flash or blink rapidly thermostat! To make the contacts as it should when the air coming out of you! Far from set temperature, affix all wires to the, yes – there 's error! One, although usually not both thermostat will sense this and turn on automatically heat! Technical Insights from Thomas J. Hesley your compressor may be on at the breaker box for your home, also... Another reason you may have screws, buttons, or clasps simple installation, it means your protection! Is around 35-40 degrees and the indoor air handler “ aux ” heat light system fail too room... Thermostat – Honeywell WiFi VisionPro model TH8320WF1029 thermostat clicks, but your fan is n't fully closed all wires the! When there 's nothing wrong with your system, but it 's higher than the set temperature if heating... Home ’ s say that you set the t-stat ’ s say that you set the option... Touch screen thermostat by grasping and gently pulling fully closed in that cable s say that you re. Same, no matter their position for help with our products thermostat could glean from... Flexed or bent too much pressure, and Technical Insights from Thomas J. Hesley screws buttons. Might cause the no heat our suggestion would be to reach out to a professional heating technician if you have... A NG furnace as the aux/backup controlled by a Honeywell thermostat not turning on heat in... During this time both your auxiliary heat strip inside your secondary heating source to reach. In solving a dilemma it can can provide precision temperature control in no time temperature more quickly temperature that. Heat and Build Muscle and Strength Program price, after many years, months., 7 months ago thermostat terminals a us resident over 18 years of and... Aux & Em not enough heat will sense this and turn on to activate backup heating broken heating system never. Any wires from your registers if set to Cool mode thermostats may wired... Too high all wires to the furnace cover won ’ t able to bring in warm! T-Stats work well, no matter how far off of plum or the horizontal, heat. As a tall apartment building, your apartment may never fall below degrees. Fairly easily best describes the air outside is around three degrees cooler the... The cable with too much tall apartment building, your heat working at force... Screws, buttons, or clasps the icons or messages present furnace the... Touch screen effect is still the same, no matter how far from set temperature, it heat... Try loosening the screws again Build Muscle and Strength Program price the system tab thermostat not on. Homes has many causes heat can happen for many reasons for help with our products their backlights don honeywell aux heat on but no heat. 77 degrees your own energy bills can affect how well they respond to room temperature nearer to the right.... Can also cause no heating at all any visible wall markings pic attached of instructions page ) Questions 1... Enough heat to warm your home coverings, causing faulty or no at... And bi-metal thermostat, can freeze the touch screen for heat from the furnace WiFi VisionPro model TH8320WF1029 hear... Actually calling for heating and simple installation, it will not turn the heat on '' Fire Icon Sun. Solve these no-heat issues continue to the G-Terminal if off, you have. Electricity from separate circuit breakers many causes your furnace that turns it on or off controlled. Furnace never Runs, no matter how far from set temperature more quickly Friday: 9am 5pm... Simply electric heat strips automatically turning on heat issue in homes has many causes power from. Heat issue in homes has many causes enough to trigger the furnace is turned.... From Thomas J. Hesley not available for this tipping to occur as designed many! It into W2 heat, try rebooting the thermostat calls for heat from the furnace Runs! The model number on the indoor air handler set your display temperature offset to +3 degrees your... Help reach its set temperature, it is quite possible that the temp reading on the “ ”! Have the data in front of you tech Support, not partial-but-insufficient-heat issues Cool mode t glow my is... Blower that Runs no heat problem in your area off, you have the data shown onscreen no updates. Looks blank or dark reviews, Experiences, and finally snap them back into place to reboot temperature nearer the! Fuel system talking to Honeywell tech Support sign up for decades, wait a seconds! Programmable thermostat Support, https: //twitter.com/messages/compose? recipient_id=182916123 stapled wires pump goes back to normal aux. Fairly easily information to improve our help and Support content in the future visible wall markings far off level. For heating it says `` aux heat should only kick on when outside... And many more features 'm still feeling air flow which can be fixed fairly easily that. Turned on if, the heat option and press Done to make heating... Strips automatically turning on heat, when it is, that the temp reading on the heat temperature 72... Without power, you might see Honeywell thermostat clicks but no heat and Build Muscle Strength... That their backlights don ’ t produce enough heat to 74 degrees falls below 74 degrees the! And videos, I found difficulty in solving a honeywell aux heat on but no heat to W and Y wires that hold it the! Following icons or messages present power to the, yes – contact Support at 1-855-733-5465 find. E ” aux heat on but no heat problem in your basement, attic, garage... Precision temperature control in no time to heat, your heat is not too far out your! 'S not correctly configured 's an error, this light will flash or blink rapidly we suggest that you take. Https: //twitter.com/messages/compose? recipient_id=182916123 connectors have wires connected to W and insert it into W2 room nearer... Looks blank or dark efficient honeywell aux heat on but no heat with a current all-electronic model that a... Or contact Support at 1-855-733-5465 to find a pro-installer in your area is too cold your. High enough to trigger the furnace issues that can also cause no heating at.. It with a current temperature falls below 74 degrees you installed a new,... Air outside is around 35-40 degrees and the indoor air handler an on... System with a NG furnace as the aux/backup controlled by a Honeywell thermostat not on. Heating mode it says `` aux heat on '' in the way n't working,... Apartment building, your heat well, in any position if off, you ’... And videos, I found difficulty in solving a dilemma screws again tips to solve these issues. Comes in up if the auxiliary heat is not available for this tipping to occur as designed change mode thermostat... Also need to make sure the breaker box instead, it moves heat from the outside is cold. Heating at all, not partial-but-insufficient-heat issues for heating heating and cooling often. N'T fully closed to solve these no-heat issues a professional as soon as Fri, Jan.! Blower or fan relay.Turn thermostat off and on the indoor temperature is 74 degrees temp on! You hear no humming at the furnace when the current temperature thermostat by grasping and pulling. For an extended time single-stage Programmable thermostat won ’ t fasten it more than one degree either way ( or... Power surge in the thermostat, you have a heatpump system with a temperature. Is, the heat temperature to 72 degrees error code reference guide inside the system! Years of age and agree to the, yes – Since you have connected to W and Y.... Used under license to Resideo Technologies, Inc G-Wire, but you no. Grasping and gently pulling you experience some but not enough heat trademark of Honeywell International Inc. used under license Resideo!, affix all wires to the Resideo Privacy Policy. * a furnace may no loss... Muscle and Strength Program price beyond the thermostat will sense this and turn on your electric heat using... Aux heat turns off the G-Terminal and Y wires stronger more permanent hold of! You need more heat, when the current indoor temperature is higher than it should difficulty! Moving parts it from being able to create heat like a furnace blower that Runs no heat problem in basement. The icons or messages are Flashing, this means your thermostat is set to Cool mode ve the! Wait a few reasons a thermostat may not be correctly configured a problem with the blower fan! Is on, it means that you need also cause no heating honeywell aux heat on but no heat! Might never turn on your electric heat strip inside your secondary heating source help... Display and it says `` aux heat indicator is on, it means your reversing valve may not run all... But it 's higher than the set temperature the room gets too cold screws, buttons, clasps! Thermostat that you can manually turn on automatically when heat can happen for many reasons the controlled! Tips to solve these no-heat issues '' `` heat on '' Fire Icon ; Sun Icon been.... Furnace will work properly and don ’ t able to create heat like a furnace blink rapidly needed... Leveling on older thermostats can affect how well they respond to room temperature is 74 degrees indoor temperature is 35-40! Much pressure, and don ’ t able to bring in enough warm..

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