What is a heat pump?...

What is a heat pump? A heat pump is a reverse cycle air conditioner. In the heat pump mode the heat  pump has the ability to move heat from the outside air to inside. In the cooling mode, the unit moves heat from inside to outside in the same way a conventional straight cool unit does. These are great units because you can use them to cool your home and, in reverse, to extract heat from the...

Why is my A/C unit icing up?...

Why is my A/C unit icing up?  I have frost on the coil and copper tubing. Why am I getting such little airflow from my registers? There are several things that can cause frost on your coil and/or reduced airflow. Anything that restricts the airflow through the inside unit will cause frost. As the frost builds up on the coil, the airflow becomes more and more restricted, making the condition...