Machine using compressed air to drive nails and is also referred to as a pneumatic nailer.
Air dry
The ability of a paint or coating to dry under normal conditions of temperature and humidity.
Air duct
Pipes that carry warm air and cold air to rooms and back to furnace or air conditioning system.
Air economizer
A ducting arrangement and automatic control system that allows a heating, ventilation and air conditioning (HVAC) system to supply up to 100 percent outside air to satisfy cooling demands, even if additional mechanical cooling is required.
Air ejector
To maintain a vacuum and improve the operating efficiency of a condenser, an air ejector is used to remove non-condensable gasses from steam condensers.
Air elimination vent
A device which automatically eliminates trapped air in the "closed-loop" hydronic system.
Air entrapment
Defect caused by air bubbled which have formed on a new paint surface.
Air exchange rate
The rate of air flow moving through a space, usually expressed in terms of room volume units per unit of time such as room air changes per hour.
Air feed
Powdered material, which is to be thermally deposited on a surface, is carried by an air stream and sprayed on the surface to be coated by means of this disbursing system. When heat conditions are appropriate, the material bonds to the surface.
