Links About Air Conditioning

US Departments of Energy and Natural Resources Canada answer your questions about air conditioners:

How Air Conditioners Work?
What are Heat Pumps?
What are Ductless Split Air Conditioners?
What are Ductless Split Heat Pumps?
What are Room Air Conditioners?
How to maintain your air conditioner?
Air Conditioners, Cooling Tips?
Common Problems with Air Conditioners