air cooling unit
51Packaged air conditioning units — Usually mounted on the roof or on a slab beside the building. (These are known as self contained units, or Direct Expansion (DX). They contain air conditioning equipment as well as fans, and may or may not include heating equipment.) These are… …
52Evaporative cooler — (swamp cooler) An air cooling unit that turns air into moist, cool air by saturating the air with water vapor. It does not cool air by use of a refrigeration unit. U.S. Dept. of Energy, Energy Information Administration s Energy Glossary …
53HVAC — may also stand for High voltage alternating current. See also: Glossary of HVAC HVAC systems use ventilation air ducts installed throughout a building that supply conditioned air to a room through rectangular or round outlet vents, called… …
54Motorcycle engine — A Honda Super Cub engine. The most popular motorcycle in history, with over 60 million produced …
55Thermostat — This article is about the temperature regulating device. For the French cooking oven temperature scale, see Gas Mark#Other cooking temperature scales. Honeywell s iconic The Round model T87 thermostat, one of which is in the Smithsonian …
56automobile — automobilist /aw teuh meuh bee list, moh bi list/, n. /aw teuh meuh beel , aw teuh meuh beel , aw teuh moh beel, beuhl/, n. 1. a passenger vehicle designed for operation on ordinary roads and typically having four wheels and a gasoline or diesel… …
57Building automation — can also refer to Build automation, the practice of programmatically compiling software programs. A Building Automation System (BAS) is an example of a Distributed control system. Building automation describes the functionality provided by the… …
58gasoline engine — Most widely used form of internal combustion engine, found in most automobiles and many other vehicles. Gasoline engines vary significantly in size, weight per unit of power generated, and arrangement of components. The principal type is the… …
59Diesel engine — Diesel engines in a museum Diesel generator on an oil tanker …
60Solar thermal energy — Solar thermal system for water heating in Santorini, Greece …
