Electric furnaces pull air through a filter before it heats it. If after doing all these things the furnace does not produce heat, it might require a new igniter in pilot-less furnaces. If you checked the heating vents in this situation, you would probably find that there is not much air flow coming out of them, which is why you are still freezing. It is entirely possible for the furnace to be burning away, producing hot air, without enough of that warm air … Before you can order the parts you need, you will want to check the unit thoroughly to detect the source of your problem. If the furnace overheats, the control switch will shut off the system as a safety precaution. Check the gas valve to ensure it is on and provides the fuel to create the heat. Before you try this step, turn off the furnace and shut off the circuit breaker. 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. 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. Other potential problems include a bad blower fan or limit control switch. If tripped, circuit breakers should not be tested more than once. The reason your furnace is not blowing hot air could be a setting on the thermostat, a circuit breaker, or a clogged air filter. 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. With so many complex mechanisms involved in a heating system, any given number of issues could cause the furnace to malfunction. You can avoid expensive repairs by troubleshooting furnace problems before calling a professional. The blower motor itself does not create the heat; rather it blows the heated air created by the furnace through the system's ductwork. To test the quality of the heat itself, raise the thermostat temperature by five degrees and wait for the system to activate. Contact Support at 1-855-733-5465 to find a pro-installer in your area. 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. 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. Electric furnace putting out barely-warm... Electric furnace putting out barely-warm air instead of hot air. ... Today I noticed that while running in ac mode, it started blowing warm air. What temperature do you feel blowing from the vent? But the heating elements cannot all turn on at once, since this will overload the circuit. While we’re always happy to help these homeowners, the problem is often something that they can easily fix themselves. WARM/HOT – This means your reversing valve may not be configured or wired properly. 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. We also offer emergency service 24/7. Lorton, 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. 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. This can make the air coming out of the vents seem lukewarm. 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. Aside from simple remedies to minor furnace issues, the majority of problems involving a furnace are best handled by service professionals. An issue of repeat tripping should be reported to an HVAC service person immediately. 1. This warm air is dispersed through the ducts of a household heating system to bring occupied living areas to the desired temperature. After all, you wouldn’t likely need the house warm during the afternoon of a typical workday. Problem: Electric heat will not come on or fan blower on the air handler will not come on.. Answer: 1. If this does not work, your furnace may have a faulty igniter, which will need to be replaced by a professional. “Great timely service. © 2013–2020 Oasis Heating, A/C & Refrigeration. First and most important, Please make sure your electrical power is turned off before trying to repair or inspect any type of electrical appliance. If you’re low on fuel — or if fuel is unable to effectively power your … 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. 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. In some cases, a thermostat will dump its settings when the battery runs low. 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. Dirty filters clog with dust and need regular cleaning for optimum operation. Do not light any matches or lighters near the furnace. Start with the simple causes before moving to the more complex ones. All electric furnace not heating wholesalers & electric furnace not heating manufacturers come from members. Check the furnace’s air filter. Lack of fuel – Whether you have a gas, electric, or oil furnace, your system needs fuel to properly run. For example, if the circuit breaker to the furnace is off, the furnace will not generate heat. When it is off, it is perpendicular to the pipe. © Copyright 2020 Hearst Communications, Inc. An electric furnace that is not blowing air could be the result of various problems. If the coils are faulty, no thermostat settings, clean filters or switch adjustments will do the trick. Furnaces are simple in concept. Set the thermostat to "heat" and set the fan to "auto." This could be due to an overheating issue but it could also stem from a misreading on the part of the limit control switch. If the furnace is still blowing cold air, check the thermostat batteries. In a household heating system, the limit control switch — alternately known as the fan limit switch or furnace fan control switch — controls the automatic on/off functions of the heating coils and fan. Getting home to a cold house and having a furnace that blows cold air is a headache. 1. If this does not cause the heat to come on, the heating element might need replacement, which requires the services of a professional. 1. Do this: Ensure your thermostat’s fan setting is set to AUTO, not ON. Your furnace clicks on and the blower motor is running, but the air coming from the vents is cold or cool instead of hot. Moreover, check the temperature settings of your thermostat to make sure that the numbers are what you intended, especially if you feel colder than expected and you suspect that the settings might have been altered without your knowledge. Have an expert inspect your ducts along with the furnace. If the blowing mechanisms are inconsistent or non-functioning, there is probably an issue with the blower belt. Furnace Not Blowing Hard Enough. COLD – This means your thermostat is cooling correctly, but the heating isn't working properly. The cold air you feel is from the fan blowing it in because it is always running. If the furnace blowers are generating heat in insufficient quantities, the issue is likely due to either a dirty motor or a loose blower belt. If the blower fan stops working, you have a more serious problem at hand. Do you feel warm blowing air? 2. This impacts the ability of the furnace to deliver heat on a consistent basis. If you discover a gas leak, turn off the gas valve and all the switches to your heating system and report the issue immediately. |, 7220 Telegraph Square Dr Suite V, Your furnace blowing cold air could be caused by hot air escaping through holes in the duct work that carries the heat throughout your building. 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