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Why Air Temperature from Your Heat Pump Feels Different

heat pump northern va

A heat pump blowing mild air—on the cool side in the winter and on the lukewarm side in the summer— doesn’t always mean something is seriously wrong with your system. Some common causes are quick and easy to resolve. Others require help from an experienced HVAC professional.

Is the Air Truly Cold?

Have you turned on your heat pump in the fall or winter and wondered, “Why is my heat pump blowing cold air?” A furnace typically puts out air at around 130 degrees, whereas warm air from a heat pump is only a little over 90 degrees on a moderately cold day. Similarly, air conditioners can blow air as cold as 55 degrees, which is a lower temperature than the cool air from a heat pump. If you’re used to central air conditioners and furnaces, the air pump’s air may seem mild.

Potential Problems

If the air temperature really isn’t sufficient for your needs, there are a few things to check:

  • Thermostat – Make sure the system wasn’t accidentally turned from “heat” to “cool” or vice-versa. Also, check that the thermostat temperature wasn’t changed.
  • Outdoor unit – When the unit has to work extra hard in extreme weather, the outdoor unit can ice over. When this happens, you can turn the unit off and carefully de-ice it with cool water from a garden hose. If it happens repeatedly, there’s a problem with your system that needs professional heat pump repair.
  • Ducts – A problem with your return air ducts can cause the system to draw cold or hot air from the basement or attic. As a result, the cooled or heated air produced won’t become sufficiently cold/warm. Take a look at your accessible ducts and make sure none have become disconnected or developed leaks.

When to Call a Professional

If none of these issues are the reason for your heat pump not keeping you comfortable, there may be a problem that requires a technician’s help, such as:

  • Low refrigerant due to a leak or restricted refrigerant flow
  • Dirt or debris blockage somewhere in the system
  • A malfunctioning reversing valve, compressor, or defrost components

Whether it’s your system’s air temperature or another problem with your home comfort equipment, HVAC & Plumbing Unlimited will be happy to help you! We provide reliable services throughout the Fairfax, Alexandria, Arlington, Centreville, Reston, and Lorton areas of Northern Virginia. Call us today at (703) 493-1200.

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