Abbreviation for air conditioner and air conditioning.

Alternating current, which is the flow of electrical current through a conductor, first in one direction, then in reverse. It is used exclusively in residential and commercial wiring because it provid [..]

The outside fan unit of the air-conditioning system that removes the heat from the Freon® gas and turns the gas back into a liquid, then pumps the liquid back to the coil in the furnace.

The main electrical ON-OFF switch near the A/C condenser.

A wall that is mostly above grade and encloses conditioned space.

Acronym for acrylonitrile butadiene styrene; rigid black plastic pipe used only for drain lines.

Amount of moisture in the air indicated in grains per cubic foot.

Any material added to stucco, plaster or mortar that speeds up the natural set.

A closure device or door used to cover an opening into a duct, wall, ceiling or enclosure near a fixture that allows access for servicing, such as for the plumbing or electrical system.

The level of access that a building offers people with disabilities.