Most other problems are a little more complicated: A window air conditioner plugs into a receptacle, so if the unit isn’t getting power, check the breaker. “The most common cause of an air ...

If your room air conditioner is beyond repair, you can find one that did well in our tests for a little over $200 for a small ...

Low coolant levels can cause the evaporator coils to freeze. You may notice frost or ice forming on the coils or other parts ...

Replacing or buying a new central air conditioning ... AC systems will encounter problems in the first eight years of ownership. What’s more, 25 percent of those units stop working as well ...

Contributor content. It’s important to prepare your air-conditioning system for peak performance for hot and humid summers.

The compressor is the power unit of the air-conditioning system ... Internal parts can also fail, leading to no cold air. Not all air-conditioning problems are because the system is low on ...