How does air conditioning work? Air conditioners cool indoor spaces by moving heat from inside your home to the outside using a chemical fluid called a refrigerant.

Central AC installation costs will be higher if your home does not have pre-existing ductwork. Central air conditioner prices also vary by unit size, efficiency and other factors.

How much electricity does a typical air conditioner use? Air conditioning is a significant portion of annual energy use in American homes.

This comprehensive guide covers exactly how much it costs to repair an air conditioner to keep yours in top shape.

That annual inspection and maintenance appointment can also help save you money. Picard said buildup within your HVAC system ...

During summer heat, some turn to "super cooling" their homes by turning the thermostat way down in the morning, and raising it during electricity peak hours, to be energy efficient. But does it work?