We've received several calls about heat pump systems icing over during these cold spells in Chattanooga. Here's what you should know to manage your heat pump effectively:
Ice Formation on Your Heat Pump
It's not unusual for heat pumps to form a layer of ice on the outdoor unit, particularly when temperatures drop below freezing. This layer can grow quite thick, but don't panic – this is part of the normal operation:
Defrost Cycle: Your heat pump will automatically enter a defrost cycle. During this phase, you might hear a loud "whooshing" sound, and you'll see steam as the ice begins to melt. The outdoor fan will stop, which might make the unit sound like it's struggling, but this is normal. After a few minutes, most of the ice should be gone. However, in very cold weather, some ice might remain, and that’s okay.
Signs Your Heat Pump is Working Correctly
The primary indicator that your system is functioning well is if your home remains warm:
Warm Home: If your house is maintaining a comfortable temperature despite the ice, your heat pump is doing its job. Even if the outdoor unit looks like an igloo, the system is operating within normal parameters.
What to Do If Your Home Isn't Warm Enough
If your heat pump isn't keeping your home warm, here's what you can do:
Emergency Heat Mode: Check your thermostat for an "emergency heat" setting. This function will disable the outdoor unit and activate the electric heat strips in your air handler, ensuring your home stays warm. Ensure that the correct size of heat strips was installed when your system was set up for this to work effectively.
When to Call for Service
While these tips can help manage your heat pump during cold weather, there are times when professional intervention is needed:
Persistent Issues: If after following these guidelines your home still isn’t warm, or if you notice unusual noises or behaviors beyond what's described here, it might be time to call us at Scenic Air Solutions. We're here to help keep your system running smoothly.
Understanding how your heat pump behaves in cold weather can save you from unnecessary service calls and give you peace of mind. Remember, ice on the unit is normal, the defrost cycle is your friend, and emergency heat is there when you need it. If you're ever in doubt or need professional assistance, Scenic Air Solutions in Chattanooga, TN, is just a call away. Let's keep your winter warm and worry-free!
Stay cozy,
The Team at Scenic Air Solutions
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