When the air blowing from your heat pump feels chilly instead of warm, it can trigger frustration—especially when the air here in the Savannah area starts to turn cool and crisp. If your heat pump is acting up, here are some potential reasons and what you should do.
- Your Heat Pump Is in Defrost Mode: Here in Savannah, we often start with occasional chilly mornings, it’s not unusual for outdoor coils to accumulate a layer of frost. When that happens, your heat pump automatically shifts into defrost mode. During this process the system may blow cooler air for a short period while it clears the frost — and that’s a normal behavior.
- Clogged or Dirty Air Filters: A simple but often overlooked issue is when filters are dirty or blocked. This can cause your system’s airflow to get restricted. That makes your heat pump work harder, lose efficiency, and may cause it to struggle delivering warm air. For homeowners, we recommend checking or replacing filters every 1-3 months (more frequently if you have pets or HVAC allergies).
- Low Refrigerant Level: If your system’s refrigerant is leaking or running low, it won’t be able to extract heat effectively — and the result could be cold air blowing from your vents. In addition, low refrigerant often leads to frost buildup on the outdoor coil, which further reduces the unit’s ability to heat. Because refrigerant work is regulated, this is a job for a licensed technician. Give Total Services a call today and we’ll take care of it.
- Thermostat Isn’t Set or Working Properly: Sometimes the fix is simple. You just check that your thermostat and see if it is set to Heat. If it is, check to see if the temperature setting is above your current room temperature. If it’s set correctly but still not responding, it could be a battery issue or a faulty thermostat could be the culprit. Having a Total Services technician check and calibrate your thermostat can save you from more costly problems later.
- The Reversing Valve May be Malfunctioning: A heat pump both cools and heats by reversing the refrigerant flow — that’s managed by a component called the reversing valve. If this valve gets stuck or fails, your system may operate as though it’s in cooling mode when you expect it to heat — hence the cold air. Diagnosis and replacement of this valve require professional HVAC expertise, and a Total Services technician can fix this quickly.
- The Unit is Undersized or Nearing End of Product Life Cycle: If your home has grown (say you added a sunroom) or if your heat pump is more than 10-15 years old and frequently requires repairs, it could be undersized for your current load — or simply worn out. An older or poorly sized system will struggle on cooler days and may blow cold air even when it’s functioning. In those cases, it may be time to consider an upgrade to a modern, high-efficiency unit. A comfort specialist from Total Services can assess this for you, and give you some options.
Why Choose Total Services Heating and Air Conditioning in Savannah and Surrounding Areas?
At Total Services Heating and Air Conditioning, we specialize in heat pump diagnostics, repairs and replacements right here in Savannah and the surrounding areas. Whether you need a quick tune-up before winter, a filter check, or a full system assessment, we have you covered.
Give us a call today for a professional inspection. Don’t let cold air in the fall or winter disrupt your comfort. Call Total Services and we’ll get you back to feeling comfortable.
