If your heat pump is not blowing hot air there are typically three main causes.
Heat pump outdoor unit not coming on.
Shovel away any snow that s surrounding your heat pump s outdoor unit.
A fan that is not running may have problems with any of a variety of.
Next check your outdoor unit is not iced over see heat pump troubleshooting problem 1.
What to check first if the air conditioner or heat pump won t start air conditioner won t start air conditioning system is not running at all.
If the heat pump turns on when you want cool air but not for heat this is likely the cause.
Unfortunately many times a service technician is dispatched only to find a simple problem that could.
It will also need to be replaced by a technician.
Is there no cool air at all coming out of the supply registers.
2 covered in snow or ice again the heat pump needs to absorb heat from the outdoor air.
When the outside air temperature is very low an auxilery electric heater must be used to supplement the heat pump s output.
Snow and ice will prevent that.
Outdoor unit won t come on outdoor unit not running.
The thermostat not sending the signal to heat or cool.
Heat pump not heating.
3 no power to the outdoor unit the outdoor unit.
Heat pump troubleshooting problem 3.
Is the air conditioner or heat pump indoor or outdoor unit silent.
During the summer it moves warm air from the inside of the house to the outside to cool the home while during the winter it pulls air from the outside heats it then moves it indoors.
The heat pump is in defrost while in heating mode.
A heat pump is a device that uses a fan to move hot or cold air throughout the home.
Heat pump outdoor unit runs but indoor blow does not i guess a lot of people would not notice something like this but i sleep close to the indoor unit and can hear the outdoor heat pump unit kick on.
Thus in areas where the winter temperature is below freezing a heat pump is not practical.
Air conditioner outside unit fan not working.
Clean the outside unit and ensure that you re not surrounding it with a fence or cover.
Like standard electric heating systems this auxilery unit is more expensive to operate.
Maybe you notice that there is warm air blowing through your vents despite the fact that you are good about changing your ac filters and you ve never had any type of problem like this.
Blowing cold in heat mode.
This is a very common problem whether it s an air conditioner or a heat pump.
First of all just check and make sure your unit was not accidentally switched to a c mode.
The thermostat not sending the signal to heat or cool.
There are various reasons why your heat pump outside unit will stop running.
And there are many things that can prevent the outdoor unit from starting some of which can be quite serious.
If not your system may have a valve problem a refrigerant charge issue or a compressor problem.
If so it s not running.
Your heat pump pulls heat from the air outside into your home.
Here is what to check first.
If the airflow to.