Given the possibility that someone else in your household might have changed the thermostat setting, check to make sure that the thermostat is set to “heat” instead of “cool.”. If the coils are faulty, no thermostat settings, clean filters or switch adjustments will do the trick. Before you try this step, turn off the furnace and shut off the circuit breaker. Likewise, if the circuit breaker to the blower fan is off, warmth will not be spread from the heating coils. When the air temperature reaches the setting you’ve chosen — let’s say 70 degrees — the furnace can take a break until the air drops below 70 again. Adjust the thermostat approximately 3 to 5 degrees above the room's current temperature to check if the heat comes on. Contact us today for help with your HVAC needs. The furnace runs until the preset maximum temperature — usually at an owner-programmed level, such as 70 degrees Fahrenheit — has permeated the household interior, at which point the furnace shuts off to save energy. All rights reserved. Even if you followed the directions, there is a strong likelihood that certain adjustments are needed that can only be performed by an HVAC service specialist. While we’re always happy to help these homeowners, the problem is often something that they can easily fix themselves. Consequently, the thermostat thinks that you are at work instead of home reading a book. To fix this issue is simple, just flip the fan switch from “ ON ” to “ AUTO.” Most furnaces also have a reset button that clears any issues that might cause the furnace to produce no heat. The cold air blowing in your home is not good and the problems can vary. Knowledgable and neat techs. Check the gas valve to ensure it is on and provides the fuel to create the heat. Warm air is sent through your ducts when the thermostat says it’s needed. Do you feel warm blowing air? If you have ruled out all the previous possibilities and even replaced the limit control switch, only to find that the blower fan still switches off, there is something wrong with the heating coils. This is why you hear the term “forced-air” associated with heaters. Dirty filters clog with dust and need regular cleaning for optimum operation. 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. Without battery power, the thermostat has to rely solely on the power supply of your house. The outside temperature is only 37.0. Reset the furnace. As a native Californian, artist, journalist and published author, Laurie Brenner began writing professionally in 1975. Beyond any possible issues with the blower fan, the most serious problems with a furnace are those that stem from the heating coils. Homeowners with programmable thermostats often go about not knowing that the hour and day settings are way off. 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. Turn the circuit breaker off and on to reset an electric furnace. Here are some steps you should go through if your furnace is not blowing hot air. If your thermostat’s fan setting is set to ON, then your furnace blower will constantly be operating ever when it is not putting warm air into your home. Contact Support at 1-855-733-5465 to find a pro-installer in your area. Your furnace clicks on and the blower motor is running, but the air coming from the vents is cold or cool instead of hot. If the furnace overheats, the control switch will shut off the system as a safety precaution. 1. Thing is, a lot of homeowners overlook these setting options and go about not knowing that the mode is wrong. If not, follow the manufacturer's instructions for resetting the pilot light. As such, a furnace that is not blowing air through vents across your heating system is indeed problematic. 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. During the wintertime, our service technicians often get calls from frustrated homeowners who have recently discovered that their furnace blower is not working. Check the furnace’s air filter. Electric furnaces pull air through a filter before it heats it. The second, more common problem that arises with clogged furnace filters is when the restricted airflow causes the furnace itself to overheat and trigger the system’s safety shutoff. Furnace Not Blowing Hard Enough. We doesn't provide electric furnace not heating products or service, please contact them directly and verify their companies info carefully. If the furnace is still blowing cold air, check the thermostat batteries. 11. Aside from simple remedies to minor furnace issues, the majority of problems involving a furnace are best handled by service professionals. Sunday, November 12th, 2017 at 3:12 pm | Categories: Heating What Are the Causes of a Gas Furnace Blower Motor Not Shutting Off? A failing pilot light could also result from a loose thermocouple, a weak flame setting or a faulty cutoff valve, all of which are problems that are best handled by an HVAC service professional. If your furnace is not blowing heat or even seeming to activate, you have a more serious problem at hand. If the furnace isn’t blowing air with any degree of warmth — and the thermostat settings, circuit breakers and air filter have all been ruled out as possible causes — the problem could stem from the blower fan itself. 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. With your furnace filter, do an inspection every three months and replace the filter if dirt buildup has taken hold. 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. 24 Hour Emergency Service Available. Perhaps the furnace ducts sensed the wrong ambient temperature within your house and deactivated prematurely? Consequently, the thermostat settings will reset following a blackout or brownout, whereby the time and date default to 12 a.m. Sunday following a mid-week power outage. Why Is My Electric Furnace Not Heating Enough? If the batteries are old, replace them — remember, if the time or date settings are off, the battery is likely dead. If you have a pilot light on your furnace, ensure it is on. Or perhaps the time/day settings are being misread by your furnace system. VA Or maybe the air starts off hot, then turns cool before the furnace shuts down. We hope that you stay safe and healthy during this time. Consequently, a thermostat might be turned down at some point during a given day, yet the action remains unbeknownst to the rest of the occupants. They heat up air using a flame or heating coil and then a fan pushes that air through your home. electric furnace not heating. Most parts can be ordered directly from the manufacturer and installed quickly and easily. Therefore, while it might seem as though the furnace is not blowing air, the only real problem is that the furnace needs a new filter. The fix: Set your thermostat to “auto” and … If the blower fan stops working, you have a more serious problem at hand. Therefore, a furnace is built to blow air, but only warm air. Getting home to a cold house and having a furnace that blows cold air is a headache. Your furnace may be blowing cold air because the filter is too dirty. Have an expert inspect your ducts along with the furnace. The issue may be with the furnace itself, but it also may come from a number of other sources. 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. In other cases where serious problems are involved, professional service is necessary, especially when a gas furnace is not blowing air. Dirty electrical furnaces don't work well or efficiently. © Copyright 2020 Hearst Communications, Inc. 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. What temperature do you feel blowing from the vent? This warm air is dispersed through the ducts of a household heating system to bring occupied living areas to the desired temperature. Furnaces are simple in concept. In some cases, the buildup of dust and debris can thicken to the point where the passage of warm air is blocked by the filter. Either way, you are liable to experience inconsistent indoor temperatures if a misreading of any kind occurs in your furnace system. The motor can accumulate dirt over time and the gradual buildup can wear down the system. A dirty filter causes these problems: Reduces volume of hot air blown out – Blocked return air means the furnace has less to blow out your supply vents, leaving you chilly. When it is off, it is perpendicular to the pipe. Electric furnace putting out barely-warm... Electric furnace putting out barely-warm air instead of hot air. Set the thermostat to "heat" and set the fan to "auto." In any event, check the following: Before you declare any serious problem with your furnace, check the settings on the thermostat to see whether everything is set to the desired modes and levels. COLD – This means your thermostat is cooling correctly, but the heating isn't working properly. Basics of a Furnace Not Blowing Hot Air. Do not light any matches or lighters near the furnace. I’d watched the repair guy do his 10 minute job, and it didn’t look difficult at all. If your furnace does not seem to be working, the limit control switch could be responsible in one of two ways. All electric furnace not heating wholesalers & electric furnace not heating manufacturers come from members. Note: If you or a tech has recently tampered with your furnace, it’s possible that the fan limit switch was set incorrectly by accident. First, confirm that the light is out. 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. A heating system will have one or possibly two or three different circuit breakers, any one of which could trip and cause the furnace to stop. This impacts the ability of the furnace to deliver heat on a consistent basis. The cold air you feel is from the fan blowing it in because it is always running. It is entirely possible for the furnace to be burning away, producing hot air, without enough of that warm air … How to Tell if an Ignitor on a Gas Furnace Is Working, The Fan Won't Start on My Outside AC Unit, HVAC for Beginners: Furnace Troubleshooting, How to Troubleshoot HVAC Problems and Malfunctions, How to Troubleshoot Home Furnace Blower Problems. If the electric heater fan comes on when you turn on the heater, but no heat seems to be coming out, you could have a blown circuit or there may be a break in the actual heater coil. Lack of fuel – Whether you have a gas, electric, or oil furnace, your system needs fuel to properly run. You could easily go several months not knowing that the time understood by your thermostat is four days and 18 hours behind the actual date and time in your area, all because of a dead battery. Some of the more complicated furnace issues involve the circuit breakers. Customer Question. Check the thermostat and ensure it is set properly. If none of these troubleshooting steps work, call a professional technician, as the problem might be a broken fan motor, igniter or a more serious problem requiring technical help. Simply put, a clogged air filter can cause your furnace to overheat, shut itself off and give you the illusion of a furnace not blowing air when, in fact, it is your air filter that is causing your furnace to turn itself off as a safety precaution. 4) Auxiliary heat is malfunctioning Below 40 degrees, your heat pump struggles to heat your home. If it is a gas or propane-powered furnace, you will need to follow the owner's manual for resetting. Situations like these have become all-too-common as the market is flooded with fancy self-install thermostat kits that are incompatible with older household heating systems. 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. The function of the blower fan is to blow air across the furnace’s heating coils and disperse that warmth through the air ducts. Gather everyone in your household and exit the premise until help arrives. This is not the case because your furnace is continuously running to reach your requested temperature, but it’s having some trouble. |, 7220 Telegraph Square Dr Suite V, Ensure that all vents are open in the rooms where you want the heat. If the issue is minor, it can sometimes be fixed singlehandedly. 15. In the latter scenario, you probably have a damaged limit control switch. The confusion is due, in part, to the increasingly complex nature of today’s programmable thermostats, which offer an array of options that make it possible for users to confusingly misprogram their systems in various ways. Furnace shuts down – Because your furnace has to run longer to heat your home, the heat exchanger overheats, causing the furnace to automatically shut down. If tripped, circuit breakers should not be tested more than once. First and most important, Please make sure your electrical power is turned off before trying to repair or inspect any type of electrical appliance. The temperature is blowing between 75 and 85 degrees at different areas of the house but the temperature of the house went down from 70.8 to 69.8 in one hour. 2. Also, check the cold-air return to ensure the filter is clean. Also, if the fan limit switch override (a small knob on the switch) somehow got set to MANUAL instead of AUTO, the blower will run constantly—whether or not your furnace is going through a heating cycle. An electric furnace that is not blowing air could be the result of various problems. For example, if the circuit breaker to the furnace is off, the furnace will not generate heat. On the upside, your blower motor is working just fine, though the heating-coil problem will require maintenance from a professional HVAC service specialist. 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.”. If your furnace is not keeping your house at the temperature to which you set it, then you have a problem somewhere in your heating system. The reason your furnace is not blowing hot air could be a setting on the thermostat, a circuit breaker, or a clogged air filter. Check the thermostat and ensure it is set properly. Thermostat is Set Too Low – Make sure the thermostat is set to a higher temperature than your home, and running on “heat” mode. 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. You can avoid expensive repairs by troubleshooting furnace problems before calling a professional. When the date and time are improperly set, the issue often stems from dead batteries in the thermostat. Likewise, when the heating coils warm, the control switch kicks the blowers on to disperse the heat through your household air ducts. How Does the Limit Switch Work in a Furnace? But I was complaining a little on the inside. This can make the air coming out of the vents seem lukewarm. 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. Furnace problems, from minor to severe, generally stem from one of the following 10 issues: In a multi-person household, there are liable to be different views regarding desirable indoor temperatures. In some cases, a thermostat will dump its settings when the battery runs low. If this does not work, your furnace may have a faulty igniter, which will need to be replaced by a professional. If the pilot light fails to remain lit, the problem might stem from a clogged orifice, which can be poked clear with a small piece of wire. An HVAC technician can help you with the sizing. A dirty air filter blocks airflow over the … But my furnace was blowing hot air, and my family wasn’t complaining any more, so I didn’t complain either… at least not out loud. 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