Heat Pump Air Handler Frozen

If the coil gets too cold the condensation freezes causing your heat pump to freeze up in the summer.

Heat pump air handler frozen. Troubleshooting a frozen air conditioning coil. It will also need to be replaced by a technician. Immediately turn off your heat pump. When faced with a frozen heat pump.

The most important factor when dealing with a frozen pump is to act fast. During the cold winter months your heat pump s outside unit will sometimes be covered with a coating of frost on the sides or even light ice. Heat pump not heating. It is never normal to see ice during the summer anywhere on the inside or outside of a heat pump or a central air conditioner.

The system extracts heat from the inside of the house and moves it outside. Many times a clogged air filter is the reason behind frozen cooling coils. Chances are your indoor unit s evaporator coil is frozen solid and cold liquid refrigerant is flowing to the outside unit through the refrigerant line which is why it s covered in ice. Heat pump frozen in winter.

It is possible to ice up the indoor coil however if the air conditioner is running in very cold. Your outside air conditioning refrigerant line is covered in ice which seems crazy in arizona heat. In the winter heat pump icing up is often perfectly normal. If you have a frozen air conditioning coil there are a few steps you should take to troubleshoot the problem before calling an hvac repair company.

What to do in the event of a frozen heat pump. As the name suggests the reversing valve allows the heat pump to work as both a heater and an air conditioner by reversing the direction of the refrigerant. As warm air hits the coil condensation builds up. Every so often the unit will go into defrost mode to remove that frost.

We don t need to go too in depth so bear with me but understanding this principle is the key to figuring out why your air conditioner is freezing up. If it continues to attempt to operate it can seriously damage itself. Heat pump or air conditioner iced up in summer. Diagnose your thermostat for any obvious problems.

Your heat pump and air handler will not function very well when outside temperatures are below 60 degrees. Try to avoid using your air conditioner at night when the temperatures drop. In this scenario the air coils inside the interior air handler get very cold. Sometimes the evaporator coil will freeze if the a c is running when it s cool outside.

Of course in the summer the situation is reversed. If the heat pump turns on when you want cool air but not for heat this is likely the cause. So what s the deal. The joule thomson effect how your air conditioner freezes up.

Change your air filter. Standby for a small high school physics lesson. The joule thomson effect is a principle in thermodynamics which states that if everything else is kept constant.