The heat pump version of the PTAC reverses the cooling cycle on the air conditioner to ensure that the heated air is pushed back into the room. This type of heat will work when it is 40 degrees Fahrenheit or cooler outside. Most PTAC Heat Pumps will come with electric heat as a backup for cooler winter temperatures.
Here is how to calculate the BTUs you’ll need for your PTHP unit:
150-450 square feet: 5000-10,000 BTUs
450-800 square feet: 10,000-15,000 BTUs
Typically, anything over 1,000 square feet will need a multi-room system.
Some of our PTHPs also come with heat kits for those who want to enable their PTACs to also heat a space or room.