Why should the home owner have the Air Conditioning/Heating Contractor pull a permit? 

    First, it is County code that a permit be pulled when changing out Air Conditioning/Heating systems. If a permit is not pulled you are breaking the law.You are taking the chance that your contractor may not have a valid license and the system may not be installed correctly. So when a permit is pulled, what's in it for you?

What happens when a Heat Pump goes into defrost and why!

      A Heat Pump may go into defrost when you turn on your heat. Instead of the refrigerant cooling your house down the refrigerant heats up your house. In the cooling cycle heat is absorbed from your house by the refrigerant and discharged to the outside by your outside unit. In the heating cycle heat is absorbed from the outside air and discharged into your house by the inside unit. In the heating cycle as the temperture decreases outside your unit works harder and harder to absorb heat from the outside air and at around 40 degrees ...