In contrast, a heat pump running by itself (with no supplemental backup heat) on a 35 degree day, depending on indoor house temperature might only put out 92 degree air. So even though the heat pump is creating warm air (usually 80-95°F), it may feel cool to … Two Reasons Your Heat Pump Is Blowing Cold Air. And yes, as a result of the system working so hard to heat those outdoor coils, you're indoor vents are blowing cooler air for a short time. That means if it’s 25 degrees Fahrenheit outside, the heat pump will crank air into your home that’s around 80 degrees Fahrenheit. A heat pump may also not be cooling because its indoor coil got iced. "But in a lot of cases you can almost hear the person breathe a sigh of relief at the other end of the phone after they understand what's happening," Ramirez said. If it’s dirty, change it! Ramirez says his team asks callers specific questions that can help them understand if they are dealing with a defrost issue or something more serious. Ramirez says there are a few things to keep in mind when dealing with a defrost cycle. The basics… A qualified technician should inspect the burners, blower, safety switches, exhaust systems and defrost controls. The heater’s blowing cold, or the AC is blowing hot. Air May Be Warm, But Not Feel Like It. 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. Tom can help. It blows cold air when the heat is on. This is different from a furnace, which can blast hot air over 100°F. The second scenario usually happens to newer heat pump owners. But, if something goes wrong and your heat pump is suddenly trying to cool your home in the middle of the winter, you have a problem. There's a good chance you're dealing with a system defrost issue, and the cool air coming from your vents will be balanced by hot air pretty quickly. Continue reading for a few more factors to consider. Steer clear of companies whose technicians can't clearly explain what they are doing to your system. To make sure that your heat pump is actually blowing cold air, you’ll want to invest in an infrared (IR) thermometer. This is plenty warm enough to heat your home, but if the air feels cool or cold, there may be a problem with your heat pump. While there may be a chance the system needs work, a reputable HVAC pro will ask a few important questions before taking your money. or Request Estimate. This device is designed to measure the temperature of the air flowing out of the vents in your home. While every manufacturer is different, many heating systems are designed to go into a defrost cycle every 30, 60 or 90 minutes if the outdoor air temperature remains below a certain level, in most cases 40 degrees. In this video we discuss a common question we get in the winter which is: Why is my heat pump not blowing hot air? Avoiding an annual check-up could void a manufacturer's warranty, increase the chances of a breakdown and boost energy costs. While the cycle runs, homeowners can briefly feel cool air coming from the vents. 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. Customers with rooftop units often become concerned when the ice defrosts and the water runs down the roof. It's temporary: A defrost cycle can last up to 20 minutes. Check your air filter. Here are some possible causes of the issue and what you can do … One of the most impressive things about a heat pump is that it can both cool and heat your home. During the winter, the pump’s compressor can capture and absorb outdoor heat and transfer it indoors. Check the ductwork to be sure it’s properly connected. And, in cold weather, heat pumps tend to blow warm air out at 95°F. Claim Offer More Offers. Here’s why: The vent air’s temperature might be below your body temperature (which is about 98.6°F). $25. Sometimes this happens simply because your batteries have died. However, if your heat pump doesn’t return to heating mode and you’re noticing cool air for a long period of time, you should reach out to a professional. Every so often, the unit will go into defrost mode to remove that frost. Red flag: Check the outdoor coil. It will be more susceptible to freezing if condensation comes into contact with it. Meanwhile, you’ll get cold air because the fan continues to run as a safety measure, even after the furnace isn’t producing heat. It's a statement heating and air conditioning pros hear every winter – "My heat pump is blowing cold air!" Kent, WA 98032 Contractors - ELECTRL9617Q Electrical - ELECTRL961PQ, © 2021 BxB Media | Electromatic Refrigeration LLC. Super Cold. 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