electric furnace not blowing hot air
If the blower fan stops working, you have a more serious problem at hand. Furnace Not Blowing Hot Air? The fan, however, may keep on rockinâ, causing that cold air to blow. 24 Hour Emergency Service Available. At Oasis Heating, A/C & Refrigeration, we have been servicing furnaces in northern Virginia households since 1998. In the latter scenario, you probably have a damaged limit control switch. Not realizing your high limit switch is dead (or even that such a part exists), youâll be scratching your head on this one. Time for a family conversation about compromise. When the date and time are improperly set, the issue often stems from dead batteries in the thermostat. If the coils are faulty, no thermostat settings, clean filters or switch adjustments will do the trick. Heating System Installation & Replacement, Oasis Heating and A/C Services in Occoquan, VA, Water Heater Installation and Replacement, Commercial HVAC Installation and Replacement, Keeping Your HVAC System Running Smoothly, Hope For Help 5K Run - Oasis Sponsored Event. The blower motor itself does not … Therefore, set your fan to âautoâ to coordinate it with the furnace and youâll just have hot air blowing, not cold. runs constantly and can't get the temperature down. If the issue is minor, it can sometimes be fixed singlehandedly. Thing is, a lot of homeowners overlook these setting options and go about not knowing that the mode is wrong. If youâre like most people, youâll need to turn up the heat a few more times before we can all officially call it quits onÂ the cold weather. Ducts that have come unhooked can also develop leaks, Previous fixes involving duct tape can come undone when the tape peels, Ductwork can fracture when itâs not properly screwed together. I pull the access panel off while the blower is running and it is spinning freely but not … Check your thermostat’s settings, because your thermostat could be set to “Cool” which will limit your furnace from blowing hot air. On the upside, your blower motor is working just fine, though the heating-coil problem will require maintenance from a professional HVAC service specialist. The unit runs fine, except it shuts off while still blowing piping hot air out of the vents. Oil-powered furnaces. If you have a gas furnace, check the gas supply to see whether the fuel supply is sufficient. With so many complex mechanisms involved in a heating system, any given number of issues could cause the furnace to malfunction. If yours is the color of mud, itâs a sure sign that itâs time to switch it out anyway. Lack of power or a confusion in the mechanics is your problem here. If you have a gas-powered furnace, it has a pilot light, similar to the one you might see on a gas stove. Either way, check the batteries before calling in an HVAC professionalÂ â you could save yourself some embarrassment. Check Your Furnace Blower Fan. These range from the face-palm obvious to the slightly complex and technical. “Great timely service. After youâve checked the batteries and after youâve surveyed the other household members for sneaky thermostat-adjusting activities, thereâs one more âeasyâ fix and thatâs to change the filter in your heating system. 1) Change the furnace’s air filter if it’s dirty. The purpose of a household heating furnace is to warm your living quarters on an as-needed basis. Unlike the problems youâve seen so far, theyâre not usually caused by user error and are therefore more likely to require outside help. Electric furnaces are reliable, require fewer repairs than natural gas systems, and can last for many years. © 2013–2020 Oasis Heating, A/C & Refrigeration. Electric furnaces. Check the fan settings on your thermostat if they are set to “auto” instead of “on”. Thermostat batteries last a long time, however, so youâre more likely to have this be a problem if your thermostat is old. If your furnace does not seem to be working, the limit control switch could be responsible in one of two ways. Thus, while you are left with the impression that the furnace won’t blow heat, the furnace has actually overheated and stopped due to a clogged air filter. If not, read the next section about common heat pump malfunctions. Gather everyone in your household and exit the premise until help arrives. For example: When leaks occur, the cold air surrounding your ducts can get in (and hot air will get out). Maintenance issues again here: if you have a gas furnace that hasnât been cleaned in a long time, a faulty valve could be the reason for the cold air blowing out of your furnace. Older furnaces are more likely to let the pilot light go out. For example, it might be 8 p.m. Sunday in your area, but your thermostat believes that the time is actually 1 p.m. Tuesday. If the furnace overheats, the control switch will shut off the system as a safety precaution. Dirt and debris can collect on the valve, causing it to shut down. If your heater still won’t stop running, your problem could be one of two issues: When itâs clogged, there wonât be any fuel getting through. If the igniter is not cracked, use a multimeter to test the igniter for continuity. Oasis Heating, A/C & Refrigeration is currently OPEN and performing active measures to prevent the spread of COVID-19 for our workers and loyal customers. In that order, here they are: There is actually one more user error that could be the source of your cold air issues. The settings can easily be adjusted if you need to test the performance of the furnace but an issue with the heating coils will necessitate a call to your nearby HVAC service specialist. Those fluctuations are what can cause weak spots in your ducting, eventually leading to actual leaks. Contact us today for help with your HVAC needs. If your electric furnace is not blowing hot air, there might be some issues with the thermostat. If you feel no heat in the minutes after you activate your furnace, something could be wrong with the belt, heating coils or furnace settings. But as close as Tulip season may seem, it can still get down into the 40âs at night here in Ventura County. Lorton, This can make the air coming out of the vents seem lukewarm. You can test the blower fan by turning off the heat â or, depending on your system, setting the thermostat to “fan only” mode â and switching the fan from “auto” to “on.” Wait for a few minutes to see whether any fan breeze comes forth. This could be due to an overheating issue but it could also stem from a misreading on the part of the limit control switch. Do you feel warm blowing air? Also, clear away dust from under the thermostat panel. If the furnace filter gets too dirty, it will block the return air flow to the furnace. If it seems that your furnace is only blowing air in certain rooms despite a well-dispersed heating system, chances are the furnace has not been activating with the same consistency as before. The reason your furnace is not blowing hot air could be a setting on the thermostat, a circuit breaker, or a clogged air filter. For example, one person’s “warm” could be another person’s “chilly.” Disagreements like these often go un-discussed, even between married couples. Hereâs yet another HVAC component thatâs vulnerable to dirt and grime-related problems: the furnaceâs burner. If itâs not, thereâs little chance the fuel will ever reach the burners. But in the meantime, try these fixes weâve covered here, starting with the simple solutions that you can apply yourself. In a household heating system, the limit control switch â alternately known as the fan limit switch or furnace fan control switch â controls the automatic on/off functions of the heating coils and fan. If the blowers are working as normal but you feel no heat, the issue is probably due to the temperature settings or heating coils. From here on out, weâll be moving into a slightly more complex set of furnace issues. Watch for the following tell-tale signs of furnace trouble: As outside temperatures drop, the confusion that the furnace-or-fan issue can cause is liable to be quite frustrating. The solution is to have your burner cleaned. If you constantly hear the sound of a blowing fan yet do not feel the level of warmth that you would expect from a furnace, you literally do have a case of cold air. Beyond any possible issues with the blower fan, the most serious problems with a furnace are those that stem from the heating coils. After ruling out all of the ‘simple’ problems above, the most likely cause of a furnace not blowing air is a problem with the blower fan itself which, if you remember, is the fan that circulates your house’s air over the heated coils. Replace or clean dirty or clogged filters. A dirty air filter blocks airflow over the furnace’s heat exchanger, causing it to overheat. 3 Crucial Benefits of Fall Heating Maintenance, can only be performed by an HVAC service specialist, maintenance from a professional HVAC service specialist, best handled by an HVAC service professional, Contact us today for help with your HVAC needs. 48% of US homes use gas furnaces and 37% use electric, but for the purposes of this article, we're going to focus on gas furnaces. That buildup of grime reaches its maximum at the end of the warmer weather, just in time for your furnace to suffer the consequences and start blowing cold air. Your fan may still blow, however, resulting in cold air coming through your ducts. If you live in a household of two or more people, call everyone together for a discussion about mutually agreeable indoor temperatures throughout each period of a typical day. 7 common reasons a heat pump blows cold air Good value.”, “Would absolutely use their services again. Repeated overheating can lead to failure of your high limit switch. But even with excellent regular maintenance, an electric furnace may run into repair issues at some time in … I have a forced hot air gas furnace in my place. For example, if you have your furnace set to 70 degrees Fahrenheit, the furnace will shut off the heating coils once the ducts sense an ambient room temperature of 70 degrees Fahrenheit, but the fan will continue to blow cold air if it is set to “on” instead of “auto.”. But if you’ve set your fan to be “on” at all times, it’ll blow cold air during the furnace downtime. is just 2 years old. Check that your circuit breaker is not off. 5 Potential Reasons Behind the Issue 1. When overheating, your furnace can trip a high limit switch , causing the furnace burners to shut off so that the heat exchanger does not crack. Thermostat wars can easily cause someone to inadvertently hit the fanâs âonâ setting. If thatâs the case, youâll definitely want an expert to weigh in before you start acting on the final solution. We perform furnace repairs and replacements on a variety of heating systems. This warm air is dispersed through the ducts of a household heating system to bring occupied living areas to the desired temperature. And, because weâd hate to leave you without any solutions, weâll also set you up with a few possible DIY fixes for a furnace thatâs just not doing its job. If youâve turned on the heat only to find thereâs a chilly wind inside your home, here are ten reasons that could be happening. Or perhaps the time/day settings are being misread by your furnace system. If the igniter is cracked, replace it. This is due to the programmed settings of a furnace system, which gauge the temperature within a living quarter and only disperse heat until the preset temperature is reached. Thereâs one final problem not covered here yet: you may simply need a new furnace. In other cases where serious problems are involved, professional service is necessary, especially when a gas furnace is not blowing air. Simply put, if the settings on your furnace system are not properly coordinated with the fan, the latter will blow irrespective of whether you need or want actual heat. Also, check the gas valve to make sure that it is set to “on.” Every now and then, a gas valve is accidentally left off after a round of maintenance and others in the house are confused when the furnace does not work as expected. We also offer emergency service 24/7. Furnace problems, from minor to severe, generally stem from one of … Then, turn the gas valve to the off position and wait five minutes. Troubleshooting Furnaces Not Blowing Hot Air. Often the initial issue is simple to fix, but can lead to complicated and costly problems if put off too long. In a sense, it is like the lint trap in a laundry dryer, which needs to be cleared between each usage cycle. An electric furnace that is not blowing air could be the result of various problems. Furnaces use an indoor fan to push hot air through your air ducts and into your home. The best scenario, however, is to have a professional come in and give it a good, thorough cleaning. Those lines have a tendency to get plugged with dirt and grime, especially if youâre not performing regular maintenance on them. Igniter is faulty, no electric furnace not blowing hot air settings, clean filters or switch adjustments will the! Tripping should be reported to an HVAC professional air blows cold air through! Energy, the problem go about not knowing that the hour and day settings being... 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