Items in red usually require a service call. Sara Olsen is the Content Marketing Manager of Emergency Air, Arizona’s premier HVAC repair and service company with NATE-certified technicians and the best HVAC service in the quickest time. In other words, it's not putting out any heat at all. If the switch is in the ON position, then the blower keeps running, even when the furnace is not heating. The first thing you have to do is check to see what type system you own. Generally speaking, a heat pump will produce air that is about 55 degrees warmer than the outside air. That includes having an easy appointment booking process, and getting the job done on time and right the first time. Emergency Air Heating and Cooling. If your heat pump is not blowing hot air, there are typically three main causes: Unit is blocked: Your heat pump pulls heat from the air outside into your home. If the airflow to your unit is blocked by snow, ice, leaves or another type of debris, this can make it hard for the heat … This is plenty warm to heat your home to your desired 72°F. sounds like u have a heat pump and below 37o its no longer efficient ,so that's why you have to put it on emergency heat,it has a set of heat strips in it for back.heat pumps wasn't really designed to work in the northern area of the us,they work better in the south where it doesn't get that cold … The most common type is the furnace or heat pump, which is generally connected to a ducted air system. As soon as the furnace cycles back on the air will warm up again. Heat pumps usually produce air that is 85-92°F. This might sound crazy, but a heat pump can be working just fine even if the air feels cold. Your thermostat has an ON and AUTO switch that runs your blower. Look at the heat pump – if the machine is running but the fan isn’t blowing, it’s defrosting. Again, this is when the emergency heater will kick on – if it doesn’t, call Michael Bonsby Heating & Air Conditioning for Maryland heat pump repair! Have you cranked up your thermostat to knock the chill down only to discover that your heater is I have a 15 SEER 3.5 ton York heat pump that was installed 3 years ago. Well this could be caused by several things. This will cause it to blow cold air into your house for a short period of time. Why a Heat Pump Will Blow Cold Air. Here’s the downside of a heat pump: The warmth of the air it produces is entirely dependent upon the outside temperature. When the temp drops below 25 or so, the auxillary heat setting come on but cold air blows from the vents. Problem: Your heater is blowing cold air. Below is a list of possible causes. If I manually switch the thermostat to the emergency heat setting, it still blows cold air. 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