It's all part of the process of heating your home with a heat pump! Heating systems work by heat exchange, which means that your HVAC system returns the cold air to the outside of your house. This is something you can easily fix yourself. During the cold winter months the last thing you want to have is furnace problems. This time of year, especially when it gets cold outside in the evenings, we get many calls from homeowners concerned that there is cold air blowing out of the duct registers in their home when their heat is running. Over time, the changing temperatures wear on all sorts of things and your ductwork is no exception. Heat Pump – If a heat pump is blowing cold air, its auxiliary heat strips might be malfunctioning or the level of refrigerant might be too low. For example, if you have your thermostat set on the ”on” position instead of “auto”, the furnace will continually run, even if it isn’t on the heat cycle,. The sound you hear is the reversing valve switching your unit over to cooling mode. DON’T ignore this problem. Even if you have a gas furnace, they typically have an electric starter that ignites the gas burner. Plugged heater core. Allow your system to run for 5-10 minutes to see if the air warms. If cool air continues to blow out, the first thing you should check is your coolant level. Frost on the outside coil is condensation that forms up on the coil in the form of frost. Coolant not flowing through the heater core. Naturally, all heaters use a fan to blow air, but if your fan setting is set to ‘on’ throughout the day, it explains why the heater seems like it has malfunctioned. Unfortunately, these are issues that will need to be remedied by a professional. In the winter, your heat pump picks up heat from the outside and dumps it into your home (yes, even when it's cold outside). Rebecca, if I were close to where you live, I would come out and take a look at your system and … Check out this article, on how to tell if your unit is a heat pump or air conditioner. Air in the cooling system. Charlotte,NC 28214 The most common type is the furnace or heat pump, which is generally connected to a ducted air system. To troubleshoot a misbehaving gas furnace, start with the easiest explanations and solutions, then work your way to the most complicated. info@idealenergyaz.com4127 E. University DrivePhoenix, AZ 85034. If this is the case, you’ll have to replace it with a part that has the same voltage and wattage. At Precision Heating & Air, this is a common problem we’ve seen with furnaces in Atlanta.There are several possible causes for a furnace blowing cold air. Don't panic if you have a heat pump and if cold air blows out of your duct work for a little while on and off while you run your heat at home. As the frost builds up on the outdoor coil, it could potentially inhibit the ability for air to flow across that coil. There are four main cooling system problems that can cause a heater to blow cold: Stuck thermostat. You may have noticed a loud sound right before cold air blows out through the vents in your home. Click to see full answer. You see, a heat pump heats your home by moving heat from the outdoor air into your home. If the air feels warm for a moment or two, then switches to cold, it may be that the flame sensor is dirty. Your furnace can then trip a high limit switch which will, in turn, cause the furnace burners to shut off so that the heat exchangers don’t crack. In the summer, a heat pump picks up the heat in your home and dumps it outside. Basically, the furnace isn’t lighting the fuel, meaning it can’t heat your home, either. If your pilot light refuses to remain lit, this is an indication of a problem that will need to be fixed by a professional. Simply put, the furnace inside the equipment needs to get heated up for the fan to emit warm air. The lukewarm air coming out of your furnace can also be the result of leaky air ducts. It’s a little more complicated than that in practice, but these are … Horne Heating and Air Conditioning Inc. A lack of heat can be a symptom of a much larger problem. 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. There could even be a puddle of liquid under the front of the vehicle. Your furnace may be blowing cold air because the filter is too dirty. Once the frost builds up, your heat pump automatically goes through what we call, a defrost cycle to keep allowing the air to flow across the coil freely (which is a necessary function of your system). The first thing you have to do is check to see what type system you own. Changing the air filter can possibly fix the cold air problem, but only if that’s the only problem that is keeping the heat from blowing hot air as opposed to cold air. A Note About Our Hours and COVID19: Open As Usual! The air coming from your supply vent should be anywhere from 15-30 degrees hotter than the air near your return vent (depending on how cold it is outside). We hold dear to our hearts such as the unconditional love of God. Clogged air filters could be causing cold air to blow out of your vents. People’s comfort level where indoor temperature is concerned can vary. Check the Pilot Light on Gas Furnaces. Turn your thermostat from HEAT to OFF. Maybe the fan is malfunctioning. 6805 Craig Street If you clear any debris or blockage and the problem persists, you could have a faulty heating element. This might sound crazy, but a heat pump can be working just fine even if the air feels cold. However, if your heat pump blows cold air for more than a couple minutes every hour or so, then your system isn’t working properly. If your furnace is blowing cold air, or is not operating at all, a component called the fan limit switch may have malfunctioned. 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. Why is My Heating System Blowing Cold Air? The reason the fan shuts off during this process is so the system doesn't pull the cold air from the outside across the coil while the hot refrigerant circulates. It's all part of the process of heating your home with a heat pump! My brother's furnace started blowing cold air one on of the coldest days of the winter. If you’re unable to warm your home with your furnace, and you’re looking for Heating And Air Companies in Atlanta, Moncrief Heating & Air Conditioning can help. Don't panic if you have a heat pump and if cold air blows out of your duct work for a little while on and off while you run your heat at home. Have an expert inspect your ducts along with the furnace. If your forced-air gas furnace is blowing cold air, a number of factors could be to blame—many of which you can address on your own, without the immediate help of a service professional. Why Is My Furnace Blowing Cold Air? Again, this will result in cold air being pushed through the system. Also if your water heater has issues, you can check out this Water Heater Troubleshooting Guide to efficiently solve the issue. And you wait — and wait — but the heater just blows cold air. If your flame sensor is dirty, it may not recognize whether your burners have turned on. A dirty air filter blocks airflow over the furnace's heat exchanger, causing it to overheat. The dirty air filter will block airflow, causing the furnace to run longer to heat your home until it overheats. If this doesn’t happen after 10 minutes, then you are looking at another issue. If you have an electric furnace, a tripped breaker can cause problems and heat won’t be able to circulate through your home, in fact, the system may not run at all. If you only feel your furnace blowing cold air briefly, and the air is quickly replaced by warm air, this is … So, if you have a tripped breaker, the furnace may stay on however, the air can’t warm up because the gas burner can’t ignite. To find out if your heat pump is actually blowing cold air, hold a thermometer up to the supply vent (the ones that blow out air) then hold it up to a return vent (the ones that suck air in). Arizona Trane Fall Air Conditioning Promotion 2020 - Up to $600 in Instant Trane Rebates, Finding a home efficiency auditor: the questions to ask, how to tell if your unit is a heat pump or air conditioner. Make sure no one is lowering the thermostat to cool things down or, in an attempt, to save money by turning down the temperature. There are many issues that can cause your heater to blow cold air. Heat pumps usually produce air that is 85-92°F. The importance of a church family where you can build and mature in a life of service and faith. When your furnace blows cold air, try turning the heating unit off and on. 7 common reasons a heat pump blows cold air BEFORE READING FURTHER: Watch this video on how a heat pump works. Check to make sure that the air intake isn’t blocked, the ductwork is properly connected, and the filter is clear. If gas supply is interrupted for any reason, the gas furnace pilot light will go out. It will make all our explanations make way more sense. You can fix this problem by following the instructions for how to relight your furnace’s pilot light. Remember, if you aren’t able to get your heater back up and running, you can always count on Horne Heating and Air Conditioning to fix the problem and get your home warm and comfortable. If you see steam coming out of your outdoor coil that is a normal operating procedure for a heat pump system, so don't be alarmed. The Heater is Too Big/Small – The heater’s size makes a difference to how well it works. Let us explain… The air could be warm but still feel cool. A heater blowing cold air could be a result of a leak in your ducting. In the summer, your indoor coil is cold (and pulls humidity out of the air, and comes in the form of water) which is drained from that PVC pipe located on your roof, or side of your house. If you’ve just bumped up the temperature or if you’ve just turned your furnace on all together, it may just be as simple as your heater needs some time to warm up. This is because hot refrigerant circulates through the outdoor coil, which in turn melts the frost. When your car is low on coolant, it won’t be able to send any to the heater … This will lead to heat blowing out cold air. Electrical NC License: #L.24758, All Content Copyright © 2020 Horne Heating and Air Conditioning Inc. | Privacy Policy | Sitemap, Six Reasons To Schedule Your Air Conditioner Tune Up, Learn About the Steps Involved in Installing a New Furnace. Don't panic if you see frost on your outside equipment's coil. Hopefully, being patient will pay off and your heater will soon be sending warm cozy air throughout your home. Now, that may be hard to grasp, but this is the way it works. Next, if your thermostat runs on batteries, check those to make sure they are not week or dead. HVAC & Electrical SC License: #M111708 Our services are 9 AM each … If you have a programmable thermostat, make sure that your thermostat is properly programmed. Perhaps your temperature gauge is running below normal. There are many reasons your car's heater isn't working. We are a Missouri Synod Lutheran (LCMS) congregation. Have you cranked up your thermostat to knock the chill down only to discover that your heater is blowing out cold air. If your heat pump has iced over or if drifting snow has covered up the unit, this can cause a malfunction. Two thermostat issues that could cause your furnace to blow cold air include: Your thermostat is still set to COOL not HEAT Your thermostat fan setting is set to ON not AUTO The Grace Lutheran Church is located at 709 Main St, Vestal, NY. If your ducts are leaking (and ENERGY STAR says that almost all homes leak about 30% of the air in their ducts), cold outside air is making its way into your ductwork. If the furnace is cold, it cannot heat the air being propelled outside. This too can cause your heater to blow cold air. The flame sensor tells your gas heating unit to turn on and warm the air that is cycling through. 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