The most important factor when dealing with a frozen pump is to act fast.
Heat pump air handler frozen.
In the winter heat pump icing up is often perfectly normal.
Try to avoid using your air conditioner at night when the temperatures drop.
Troubleshooting a frozen air conditioning coil.
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 frozen in winter.
If it continues to attempt to operate it can seriously damage itself.
Fixing an outdoor frozen heat pump can be as easy as setting the defrost cycle to run a little more frequently which did the trick for us.
The joule thomson effect how your air conditioner freezes up.
Heat pump or air conditioner iced up in summer.
This includes the indoor unit outdoor unit and interconnecting line set.
Your heat pump and air handler will not function very well when outside temperatures are below 60 degrees.
Change your air filter.
As warm air hits the coil condensation builds up.
Standby for a small high school physics lesson.
It will also need to be replaced by a technician.
Your outside air conditioning refrigerant line is covered in ice which seems crazy in arizona heat.
Many times a clogged air filter is the reason behind frozen cooling coils.
If the heat pump turns on when you want cool air but not for heat this is likely the cause.
In this scenario the air coils inside the interior air handler get very cold.
Every so often the unit will go into defrost mode to remove that frost.
Heat pump not heating.
Of course in the summer the situation is reversed.
If the coil gets too cold the condensation freezes causing your heat pump to freeze up in the summer.
The joule thomson effect is a principle in thermodynamics which states that if everything else is kept constant.
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.
When faced with a frozen heat pump.
What to do in the event of a frozen heat pump.
So what s the deal.
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.
Well your heat pump works to cool your home by absorbing heat with a cold refrigerant that runs through your evaporator coil.
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.
Diagnose your thermostat for any obvious problems.
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.
Sometimes the evaporator coil will freeze if the a c is running when it s cool outside.
