How does an air conditioner work?

An air conditioner seems as if it cools your home’s air, but it makes your home less warm by removing heat from the indoor air and transferring that heat to the outdoor air. Heat is extracted from the home by passing indoor air across a refrigerant coil in the indoor...

Why is my system freezing up?

Several factors can cause system freezing. Most need to be corrected by contacting HAMCO. There are a few things you can do to help prevent your system from freezing up, and also to do if you have found that your system is frozen. Dirty filter Check that filter! A...

When should I change my furnace filter?

The furnace filter has a dirty job to do, which is why it should be changed frequently. Without a clean filter on your system, you could be breathing in more dust and allergens, but even worse your system could fail sooner than expected. A dirty filter restricts...
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