The following are some maintenance recommendations for technicians for their annual air conditioning system inspections. Warning: Disconnect the main electrical power to the unit before attempting any ...

Which mini split air conditioners are best? Mini split air conditioners are heating and cooling systems that allow users to control temperatures on a room-by-room basis. They are more efficient than ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Thom Dunn Thom Dunn is a writer focusing on home heating and cooling. He once ...