heat pump not working

3 Reasons Your Heat Pump is Cooling in Heating Mode in La Plata, MD

March 24, 2022

Have you ever wondered why your heat pump is blowing cold air when it’s heating the house? The answer is fairly complex, but with professional help and understanding of the system’s behavior, you’ll be able to make better decisions about your HVAC system. Below are some of the reasons why your heat pump is cooling in heating mode in La Plata, MD.

1. Your Heat Pump Is in Defrost Mode

If your HVAC system is blowing cold air out, you need to check the outdoor coil if it’s in defrost mode. When the outdoor coil freezes over, your HVAC system’s blower will direct cold air inside the house until it melts away. If you’re losing any heat, our HVAC technician will need to check your unit and de-ice it before you can use your heat pump.

2. You Have a Frozen Heat Pump Drain Line

If you have a frozen or blocked drain line, then your HVAC system may be blowing cold air. If the condensate drain line is blocked, it’ll prevent the condensation from draining properly, and your heat pump’s blower will not work properly. If your drain line is blocked or you see ice buildup around the outdoor coil, our HVAC technician examine and fix the system to ensure it’s safe.

3. You Have Frozen Coils In Your Outdoor Condenser

If you have an outdoor condenser that’s has frozen coil lines, your HVAC system will be blowing cold air until the coils are thawed. If the condensate freezes or any of your drain pipes are leaking or frozen, then your HVAC system will still be in defrost mode when it needs to warm the house.

Conclusion

While it can be annoying to have cold air blowing in if you’re trying to heat your home, it’s important to understand why your HVAC system is doing it. We have trained professionals to inspect your heat pump when there’s a problem. Give us a call today at Hancock Refrigeration Heating & Air Conditioning if you need help with heat pump services.

Image provided by iStock

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