Horne Heating and Air Conditioning Inc. 6805 Craig Street A stuck bend door means the air does not get into the core to turn hot. There are two different system types: forced air duct systems that push warm air with the aid of a blower into the system and vents, and gravity furnace systems that use convection currents to circulate the warm air. My heat is blowing out cold air from the vents - Answered by a verified HVAC Technician We use cookies to give you the best possible experience on our website. Warm air rises. Even if you have a gas furnace, they typically have an electric starter that ignites the gas burner. Your Fan Is On Key Reasons It Gets Hotter Upstairs. In a two-story home it can be difficult to balance the temperatures between the upstairs and downstairs. In the upstairs area of homes, air sealing vulnerable areas to prevent cold air from getting through helps tremendously in keeping the upstairs warm during winter months. Most homes have bedrooms on the second floor that need to stay warm and cozy in cool weather so everyone … If your furnace is blowing cold air some of the time, but working otherwise, there are a few possible reasons for the problem. Solution: Change the air filter and see if your furnace starts only blowing warm air. Check the heater core or the bend door. Our upstairs heat is working fine, but there is no heat downstairs even though the thermostat says the heat is on. The first thing you have to do is check to see what type system you own. This first solution is to add an additional air conditioner / heater, thermostat and modify the duct work system. This is plenty warm to heat your home to your desired 72°F. The air coming out of the vents upstairs is about the same as the cool room temperature. I have already checked to make sure the main breaker isn't flipped. We wanted to address this, as many times homeowners think this is an issue with their heating and cooling system, but if they have a heat pump, it's actually typically a very normal process. So, here are 3 possible solutions. It's all part of the process of heating your home with a heat pump! We have replaced thermostat, radiator cap, blew out the heater core, attempted to get any air in the system, out. Phone: (704) 321-4173 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. This might sound crazy, but a heat pump can be working just fine even if the air feels cold. If your heater starts by throwing warm air out of your registers, but you are soon left with a heater blowing cold air, then I would suspect that your flame sensor needs to be cleaned. Do I need a bigger air conditioner? Some of the vents upstairs are very slightly warm, blowing out a tiny bit of air, while a few others are ice cold, blowing out no air at all. Hot roof. Or the gas line isn’t supplying enough gas to your furnace. This is because hot refrigerant circulates through the outdoor coil, which in turn melts the frost. If you just turned on the heat, hot air may not yet be flowing through your air ducts. 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. Now, that may be hard to grasp, but this is the way it works. Does your thermostat have a setting that says "Fan"? 2nd story homes consistently struggle to cool the upstairs and usually run 5+ degrees off from the thermostat reading on […] Step 1 – Get Acquainted with Your Heating System. In other words, it's not putting out any heat at all. What to do: Go to your thermostat. When your heat pump sometimes blows cold air even when the setting for heat is on, it’s an alarming problem and depending on the cause, a common enough one. Reply. Hi, my heater is blowing cold air upstairs...The downstairs works fine...When I put both thermostat on and went up to check them, the one working had gas burning and the one did not. While the system is in cooling mode, the frost that had built up on your outdoor coil then turns to water, runs down the outdoor coil, and piles towards the bottom. If your heat pump has iced over or if drifting snow has covered up the unit, this can cause a malfunction. Just purchased a condo in AZ. Check The Thermostat. It seems cold air is now blowing out of the intake vent and hot air is blowing out of the vents. As the frost builds up on the outdoor coil, it could potentially inhibit the ability for air to flow across that coil. Then, there are dampers in the duct work that open and close based on which thermostat is calling for air or heat. As soon as the thermostat registers that the temperature has fallen below a certain threshold point, the system kicks on, blowing furnace-heated air … Well this could be caused by several things. Two Reasons Your Heat Pump Is Blowing Cold Air. The house is not cooling down. When a heating cycle begins and your air handler turns on, that cool air will blow out of your registers before warm air does. Most thermostats have three settings - Heat, Cool, Fan. 2. or Cold Upstairs, ... Then, there are dampers in the duct work that open and close based on which thermostat is calling for air or heat. 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. So your upstairs has a natural tendency to be warmer than lower levels. Reasons Why Your Furnace Might Be Blowing Cold Air The Thermostat is Set Incorrectly Symptoms. Hot air rises and cold air sinks. So Why Is My Furnace Blowing Cold Air Instead Of Heat? I have been told to try and replace the water pump. Please help! ... one to heat/cool upstairs, one to heat/cool downstairs. Again using Occam’s Razor, we can assume that the next likely culprit for your heater blowing cold air is your thermostat. Below is a list of possible causes. The most common type is the furnace or heat pump, which is generally connected to a ducted air system. If your furnace starts blowing warm but then quickly turns cold, the flame sensor may need attention. HVAC & Electrical SC License: #M111708 When your heat pump sometimes blows cold air even when the setting for heat is on, it’s an alarming problem and depending on the cause, a common enough one. Below are some reasons you may be getting a blast of chilly air and how you can warm up your house as soon 1as possible. My furnace is blowing cold air, people tell me all the time in the winter. info@idealenergyaz.com4127 E. University DrivePhoenix, AZ 85034. Air lock: An air lock is a large air bubble that forms in your cooling system as the result of a coolant leak or a recent coolant top-up. If your furnace starts blowing warm but then quickly turns cold, the flame sensor may need attention. Furnace not working. In a two-story home it can be difficult to balance the temperatures between the upstairs and downstairs. In that case cool air will be running through the system This just means a simple thermostat adjustment. This is something you can easily fix yourself. To protect the outdoor coils from freezing up in the winter, heat pumps go through a defrosting period every hour or so in which they are truly blowing out cold air. 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. I always use a fan blowing up ... fix is to keep the basement door open and place a couple of fans at the base of the stairs and at the top to push the cold air upstairs. Thermostat: A Furnace Blowing Cold Air Could be Due to Your Thermostat. By replacing the register covers with register/fan units more cold air is forced out of the upstairs ducts. Don't panic if you see frost on your outside equipment's coil. Have you cranked up your thermostat to knock the chill down only to discover that your heater is It could even be running in the air conditioning mode due to a malfunction. Next, if your thermostat runs on batteries, check those to make sure they are not week or dead. As it cools, it becomes more dense and sinks. Compromised flame sensor. Your roof absorbs a ton of heat from the sun, unless you have a lot of shady tree cover. If your pilot light refuses to remain lit, this is an indication of a problem that will need to be fixed 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). Well this could be caused by several things. If you live in the Jacksonville area, you should contact a heating and AC Jacksonville specialist , like Snyder Heating & Air, to determine whether you need to air seal your home. Are you Hot Upstairs, Cold Downstairs? When it gets jammed, the heater will be blowing cold air. Solution: Set the heater to its maximum setting, remove the coolant tank cap and fill it to the proper level. 7. When a heat pump begins the defrost cycle, the outdoor fan shuts off and the system switches over to cooling mode. The heat is coming out of the vents in the living room and kitchen, but my infant's rooms and my room are freezing. Does your thermostat have a setting that says "Fan"? 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. It’s a chilly problem that no one should have to deal with during winter in the Atlanta area! There are several possible causes for a furnace blowing cold air, so it’s hard to give you advice without more information. Until the engine warms up, there’s no heat for the heater core to extract. Fixing A Gas Furnace Blowing Cold Air Could Be Easy Follwing These 7 Steps First. When your furnace isn’t running, the air in your ducts cools down. Routine maintenance could have prevented this call from ever happening. Heat pumps that blow cold air is not as common a problem, yet it does happen, and can be caused by one or more factors. Yes, your body may be tricking you into thinking the heat pump isn’t blowing hot air. Hopefully, being patient will pay off and your heater will soon be sending warm cozy air throughout your home. Otherwise your electric heater or gas furnace will not turn on. If your furnace is blowing cold air, we’re sorry! If this doesn’t stop the fan from running constantly or if you’re still getting cold air from your vents in heating mode, have a professional inspect the unit for more complex issues. Whatever you do, don't try blowing air from an enclosed basement room to the upstairs. If the furnace is cold, it cannot heat the air being propelled outside. The vents are closed in the basement, since it’s not used as living space. Let us explain… The air could be warm but still feel cool. The resulting depressurization could cause a big backdraft. Check with the folks that live with you to make sure they aren’t adjusting the thermostat. The fan works when turned on but only blows cold air. Will a badly worn impeller on the water pump be my problem. Solution #1 – Add an additional unit, thermostat and modify the duct work. 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 your Oil Furnace is Still Blowing Cold Air, Check Your Flame Sensor. Have an expert inspect your ducts along with the furnace. Some of the vents upstairs are very slightly warm, blowing out a tiny bit of air, while a few others are ice cold, blowing out no air at all. I’ve noticed that the basement and main floor receive a lot of heat and air conditioning, but the upstairs does not get much air force out of the vents. My Heat Pump is Blowing Cold Air in “Heat” Mode! Helpful. Charlotte,NC 28214 Repeated overheating will hurt the furnace’s heat exchanger, which is expensive to fix. With heat’s natural tendency to rise, temperatures in a home tend to stratify or layer. Helpful. As air gets hotter, it becomes less dense and rises. Your System Was Just Turned On. My upstairs doesn’t cool well. The pump is not leaking or making noise. 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. Before we help you diagnose the problem, let’s make sure there is actually a problem. Heat pumps usually produce air that is 85-92°F. It’s Defrosting. A dirty air filter blocks airflow over the furnace’s heat exchanger, causing it to overheat. If you have ruled out number 1 and number 2 on the list, the next thing you want to consider is checking to see if you have a thermostat problem. At one time I thought about making a fan in a tube to take cold air … You don’t really notice it downstairs, because your heat source is there. Cold air is denser too so I would think that moving the cold air would be more effective. But your HVAC system is very complicated. The cooler air is what ends up blowing into your living areas. Two Reasons Your Heat Pump Is Blowing Cold Air. This video will show you where you should start with your furnace troubleshooting. Cold air is denser too so I would think that moving the cold air would be more effective. Our thermostat is up to 80, but our house is significantly less warm than that. Unfortunately, these are issues that will need to be remedied by a professional. Quickly shut thermostat off and then on again and problem was solved. Check to see if you have tripped a breaker. But it is definitely still heating your home. It can also stop the burners from igniting. Please help! If this doesn’t happen after 10 minutes, then you are looking at another issue. This might sound crazy, but a heat pump can be working just fine even if the air feels cold. Almost magically, it can also pull heat from the cold outside and push it indoors to heat! Unreliable car heaters can make the cold winter months practically unbearable. Your gas supply could be turned off. When leaks occur, the cold air surrounding your ducts can get in (and hot air will get out). Without an effective heat exchange in the form of moving air, getting heat upstairs is really difficult. Pilot Light Issues Almost magically, it can also pull heat from the cold outside and push it indoors to heat! Is your furnace blowing cold air or not turning on? 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. Check the Pilot Light on Gas Furnaces. To protect the heater from malfunctioning altogether, engineers embed automatic limit switches that are responsible for turning the heat-generating furnace off. 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