electric fan heater not blowing hot air

Firstly, the filter could be so saturated with debris and dirt that the air isn’t making it into the ducts which causes you to believe that your furnace isn’t blowing air out, when in fact it is, but the clogged filter is blocking it. If this is the case, you’ll have to replace it with a part that has the same voltage and wattage. When heating and air conditioning strays from that pattern, the system communicates internal problems in subtle ways. It is entirely possible for the furnace to be burning away, producing hot air, without enough of that warm air ever actually being distributed through your home. The fan setting controls the blower, the part that circulates air throughout your home, Setting it to ON means the blower will run 24/7—regardless of whether the furnace is heating the air or not, thus why you get cold air sometimes. Auto safety shut off. If the fan turns on, then you know that the blower isn’t the issue because it is running, and you can move on to the next step. The heater is on, but no heat is coming out. |, Fix Your Furnace If It’s Not Blowing Warm Air, Air Conditioning Not Blowing Cold? When the filter is clogged, ignition can be affected and the result is your heating not blowing hot air. He enjoys listening to others' opinions before politely pointing out that they're completely wrong. This seems pretty simple, but just remember that the point of having a programmable thermostat is to save energy. Each modern furnace has a safety shut off switch that gets tripped when the furnace gets too hot. When heaters get too hot, then this feature shuts off the device for safety purposes. There are many reasons your car's heater isn't working. You tried all these possible solutions and still have no air blowing? There could even be a puddle of liquid under the front of the vehicle. Here is what you are getting in calling a local HVAC contractor. Verify the fan is operational. If the breaker that controls the unit keeps tripping, there may be a short circuit in the system. If you want to do it yourself, then take a look at this short video for more information on how to replace the limit control switch. to heat up a series of coils. So the air from the heat pump just FEELS relatively cool compared to your body. While you may be getting hot coolant/antifreeze into the heater core, the heater fan, the part that actually blows the heat into the cabin, can break or suffer an electrical short. Then turn the thermostat to the fan only mode. If the thermostat is down for the count, you should consider spending a bit more and get a smart thermostat. A: Troubleshooting Furnaces Not Blowing Hot Air. Having a clogged filter can cause the furnace to overheat, shut itself off and make you think that the furnace isn’t blowing air when it is the clogged air filter that is causing the furnace to shut off as a safety reason. It will still work with no fan, and you'll usually still be able to control the temperature of the air that is blowing or trickling, out. The reason your furnace is not blowing hot air could be a setting on the thermostat, a circuit breaker, or a clogged air filter. 3. Once you have checked the temperature setting ensure that it is on heat mode instead of AC. Working your way from easy to hard ensures that you have covered the bases needed for advanced troubleshooting, then continue by using these steps in order: After you have check the simple issues above, the most likely cause could be a problem with the blower fan, if you remember is what circulates the air over heated coils in your home. When we start troubleshooting, be sure to check for these things: It may seem like this is a no-brainer, but there are a lot of times where HVAC repairmen will get called to a home only to find that the furnace problem is being caused by the husband is turning the thermostat down and the wife is turning it up. But if the outdoor unit has no power, your blower just blows cold air over a cold coil. If your heater is blowing warm air but that air is venting into the attic or mixing with colder air from your attic, then the net result will be that your heater is blowing cold air. And you wait — and wait — but the heater just blows cold air. If any of these are turned off, then turn them on once and allow the system to run. What could this be? Replacing a Broken Hot Surface Ignitor Luckily, swapping out a hot surface ignitor … Reduces volume of hot air blown out– Blocked return air means the furnace has less to blow out your supply vents, leaving you chilly. This process, no matter what type of fuel is used, is how your furnace will be able to blow warm air into your home. Although, it does have a secondary safety roll that is designed to sense whenever the furnace gets too hot and then shuts off as a safety precaution, including the fan. It does this in the winter by lowering the temperature of the home when the person is at a work or in bed. Now, this could seem pretty simple, but when it is said that there is nearly a limitless supply of things that could cause issues in this process, its true and you should believe it. If you live in the Phoenix Valley and are still having problems with your furnace, give the Furnace repairmen of A/C & Refrigeration Co a call today at 602-488-7161. Thank you very much. If it isn’t set the thermostat for 5 degrees higher than normal and see if the furnace fan kicks on. “Maintaining your furnace, especially an older one, will improve its efficiency. We will go through this issue like a HVAC repairman would, starting with the most obvious causes to some of the most unlikely of causes. 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. Hunter 1,500-Watt 5,118 BTUs Fan Heater Electric Recirculating Utility with Adjustable Thermostat (45) ... $ 29 28. 2001 Ford F150: heater doesn't blow out warm air. You’ll know this is the problem if no air comes out of the vents when you turn on the heater. Replace your TPMS Sensors for Cheap, Using FreeDNS.Afraid.org with DD-WRT when you lose your Free DynDns or D-Link DDNS Account. Faulty Heater Fan. But a climate control system with no fan to push the air around is anything but controlled. Getting home to a cold house and having a furnace that blows cold air is a headache. Don’t keep resetting the faulty breaker to your furnace as this can cause an electrical fire. When the furnace is off, this is what senses that there isn’t heat being blown out by the heat exchanger and tells the fan to shut off. Eight times out of ten, if your furnace is powering up, and everything else seems to be normal — except that it’s blowing cold air (well, unheated air) instead of hot air, you probably just need to replace your ignitor. 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, … Furnace Blower Fan Wont Turn Off - Hello Richard, I have a problem with my furnace where the indoor blower will turn off.My furnace seems to be heating okay it is just the blower will not shut off. 0. There are many reasons an HVAC (heating, ventilation, air conditioning) system might stop working. If you have read any of our posts, then you should know that we don’t talk about a topic without explaining how the system should be working in the first place. This is what I think is wrong with my furnace, so I am going to look for a contractor near me to come to check it out. Maybe the fan is malfunctioning. The fan switch is “on” and the thermostat setting is below the actual temperature; The fan is dispersing this air after shutdown; There may be a loose wire coming from the elements; The heater element may be defective Electric Heater – Inspect the electrical panel for tripped circuit breakers and reset them. The Problem In the "early" days of the internet, you could find free Dynamic DNS (DDNS) accounts everywhere. If you have recently installed a new water heater, or had electrical work done, it is quite possible that the furnace circuit breaker was turned off and is the cause of your furnace problem, so simply go to your main circuit breaker panel as the next step. The indoor fan will effectively stop when the indoor unit cools down to avoid a draught. Thanks my friend this info is important for me thank you so much i will share it with my other friends thanks brother. Here are just a few things that could mean: Then replacing the switch is your best step in this troubleshooting process. A heater core is responsible for a vehicle’s defrosting and heating actions. A lack of heat can be a symptom of a much larger problem. The furnace works great! Start by turning the furnace off, turn your thermostat to “fan only,” and wait a few minutes. I just had the control board replaced this past week. If you have heat pumps, or you aren’t sure about what type of system you have, you need to check out Heat pump versus furnace. An electric heater that blows cold air could be caused by one or more of the following reasons: The manual reset has tripped. Perhaps your temperature gauge is running below normal. Most vehicles today have one multi-speed fan that blows air through a series of ducts and vents based on the driver’s selection in their climate control system. A kink in the heater hose is preventing the proper flow of water through the heater core. which can be frustrating. Other potential problems include a bad blower fan or limit control switch. Skipping right to this step is like a doctor stating that you have a rare disease when you only have the common cold. I ran to the furnace and turned the heat up, but nothing came out except for cold air. The heater core is clogged from debris in the cooling system. If it gets warm from your furnace turning on, then it will turn the fan on to circulate the warm air. Inspect the heat exchanger for cracks, which can cause a safety hazard. If your heater turns on but it’s blowing cold air, turn it off and check to make sure there’s nothing obstructing the blower. Dr Infrared Heater 6000-Watt Portable Commercial Industrial Hardwire Fan Heater with Adjustable Air Flow (165) Model# DR966 $ 167 99. Your next step should be to check the furnaces air filter as this could cause the furnace to stop blowing air out for a few reasons. Replace the batteries in the thermostat. This is the most likely cause of having an improperly programmed thermostat. Solution: Turn all switches to the “off” position and unplug the unit from the wall for 5 minutes. Again it seems pretty simple, but as the programmable thermostats become more complex, so does the number of ways that they could go wrong. You will have to perform the furnace troubleshooting steps above before going into this section, otherwise it may not actually work. But all you have to work with are the symptoms. This is how the limit control works normally. Getting home to a cold house and having a furnace that blows cold air is a headache. If the circuit hasn’t been tripped, then the issue is likely to be the thermostat or the fan has completely failed and consideration should be made to call out a HVAC technician or replace the thermostat with a new one. Heater Stopped Blowing Hot Air. In order to check the fan to make sure it is working right, start by turning the furnace to the off position. This post shows some basic troubleshooting ideas to get your furnace blowing hot again. The type of fuel that your furnace uses for this combustion isn’t important for this topic. Side note: If you are spending the money, check into the newest programmable thermostats or smart thermostats which happen to be thermostats that will learn your behavior through the week based on location and then adjust the temperature for energy efficiency and comfort. Heat pumps typically produce air that is about 90-100°F, whereas furnaces can produce air as high as 120-125°F. Do this: Ensure your thermostat’s fan setting is set to AUTO, not ON. Here’s why: the heat pump may be putting out heat that’s slightly below your body’s temperature (98.6 degrees F, just FYI). Don’t let “advanced” and “simple” throw you off, we aren’t talking about experience level. After reading this I checked the limit switch and found a loose wire on the terminal. For this topic, we will give you a basic understanding of how the furnace works so that we can figure out what might be causing your furnace to not blow hot air out. If your car is not blowing warm air into the cabin and the coolant level is fine, then you could have an issue with your heater core. When the temperature in the room falls heating will resume. A/C & Refrigeration offers HVAC Repair to Phoenix Valley homes and businesses. Replace your Capacitor or Contactor, Basic DIY Tools & Supplies Every Homeowner Needs, How to Wire a Humidifier to an Ecobee Smart Thermostat, Installing a Water Pressure Gauge and Hot Water Feed to a Whole House Humidifier, Creating a Sheet Metal Bracket to Keep a Furnace Filter In Place, Home Maintenance Parts You Should Have In Your House Right Now, TPMS Warning Light? There are a few ways to do this depending on your thermostat, but the most common are: Turning the heat to off then changing the fan from auto to on. There probably is a overheat thermostat located inside,usually have only 2 wires connected to it,make sure its unplugged,look inside,look for a switch with a … If the fan motor runs, but no air comes out, check the blower to ensure the belt is not misaligned or broken. After trying all of your tips, I am having no luck. Speaking of blowing air, readers like Rita M. are wondering if the hair dryer at the salon can spread COVID-19. After 5 minutes, power everything back on. We are just going off of experience as the most likely causes and some of these don’t even have to be your fault. Check with your partner to see and ensure that the temperature is set right. The limit control switch happens to be one of those parts that have different names like furnace fan limit control switch, fan limit switch, etc. For information on how the furnace works, check out a great article from Popular Mechanics called How your heating system works. If you have followed the above steps, and have the blower fan working, but it still isn’t running with the furnace in heat mode, then the cause may be the limit control switch on the furnace. If you happen to have a programmable thermostat, ensure that the time and date on it is correct. While the heater may work, if the fan or blower motor are not functional, the furnace won't effectively distribute the warm air throughout the house. 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