Mini split outdoor units have already been evacuated and charged with refrigerant at the factory. If you didn’t purchase a mini split with pre charged line set you will need to evacuate the line set and the indoor head. MrCool makes a system that is completely charged with refrigerant, including the line set. It would…
Line set protruding from crawl space of house before connecting to the heat pump. Should I evacuate the line or take a short cut?
An air conditioner freezing up is a very common problem, especially in the first few hot days of summer. There are many reasons for air conditioners to ice up. My customers that call that time of year seem to always think that there AC is low on Freon, which is just one of the reasons…
A line set is a set of copper pipes that link the indoor and outdoor units of an air conditioner or heat pump. When connected, these copper pipes are part of the sealed system under pressure in an air conditioner and move refrigerant (Freon) throughout the system. Most residential line sets these days are soft-drawn…
You can test a heat pump in both the heat cycle in summer or the cool cycle in winter with some limitations. In the summer you should only run your heat pump in the heat cycle long enough to notice that it is heating. Too long would not be good. In the winter you should…
In this post I explain how a heat pump can cool a house in 100 degree weather