Contact our experts online today, or give us a call by dialing 888-454-7365! A refrigerant leak. These issues might include: Having an issue with your heat pump system and not sure where to turn? Turn the fan on to engage the defrost function. A lot of property owners see it as merely added expense but it’s not! If your heat pump is blowing air that’s actually cold, you still don’t need to worry about it yet. Installed a nest thermostat in the winter. When set to “ON” the fan will stay on even when your heat pump isn’t actually heating. This problem requires professional assistance, so you should call a certified technician who can do a thorough inspection of the HVAC unit and determine the source of the leak. There are, of course, instances where something could be wrong with your heat pump. Filed Under: HVAC Tagged With: AC, air conditioning, heat pump, hvac. If this is the case, there’s no problem here. 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). Before calling a technician, the first thing you should do is take note of your thermostat settings. If it’s dirty, change it! To keep this from happening a heat pump must go into defrost mode when it becomes too cold. Do you know the difference between running an air conditioner on HEAT mode compared to AUTO mode? 2) For heat pumps, verify the O/B reversing valve is energized on the correct setting. You can trust the specialists at Jack Lehr to bring you the quality solutions you need! The representative that was here was doing his job. Make sure the defrost cycle is finished before switching back. All information is subject to change at any time without notice. Reversing valve position. In a furnace, the heat being produced and blowing into your home starts out at upwards of 110 or more degrees, often much higher than that. A heat pump system is more than capable of keeping up with our cold seasons, and in the event that the outside unit actually did fall behind, there’s a backup system in place that essentially operates like a furnace. The coil in your air handler or furnace gets extremely cold when your system is in Cool mode. Heat Pump Blowing Cold Air | Refrigeration Heating Troubleshooting. The problem could be your thermostat settings. There are other reasons your heat pump could be blowing cold air instead of heat, but those are the basics. Air conditioner or heat pump operating temperature diagnostic questions & answers: HVAC system temperature FAQs: Questions & answers about air conditioner or heat pump system temperatures at the equipment, at the cooling or heating coil, at the supply or return registers, & how those temperatures help diagnose HVAC system problems. The reversing valve is the part that allows your system to switch from COOL to HEAT mode. 2) For heat pumps, verify the O/B reversing valve is energized on the correct setting. Rebecca, if I were close to where you live, I would come out and take a look at your system and … 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). |, Click here for more information on what we are doing to protect our customers and our staff. There are a few reasons your heat pump could be blowing cold air. He was extremely efficient, professional and has a lot of empathy answering my questions.”, “The work that they did was excellent! 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). It does not constitute professional advice. 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