Conventional air conditioners and refrigerators rely on vapor-compression cycles and chemical refrigerants that contribute significantly to global warming. Magnetic refrigeration offers a cleaner ...

Q-I have been talking with contractors about a new air conditioner for my home. How can I calculate which unit will be most economical for me? A-Take a look at the rating of the air conditioners that ...

Q. I have my central air conditioner and furnace serviced every several years to keep them running efficiently. Is there anything I can do to the air conditioner myself on the off years to improve its ...

The average air conditioner cost ranges from about $2,500 to $7,500, depending on the size of the system, the type of air conditioner, the efficiency rating, and several other cost factors. Use this ...

What was once considered a luxury, the air conditioner is now a standard feature in many homes, especially those in warm climates. A/C systems provide a welcome relief from the summer heat. However, ...

Invest the time to improve air conditioner efficiency (or the money for a service call), and the triple reward is cooler air, lower utility bills and longer appliance life. Some improvements require a ...

For many urbanites, summer means being constantly dripped on from the air conditioners that fill virtually every city window. These ubiquitous boxes must consume a tremendous amount of energy. From an ...

I was driving with my dad on a road trip to see my nephew graduate from boot camp at Paris Island. The air conditioning was on, and I was cold. I noticed that my dad had the air conditioner set on ...