Search results
Results from the WOW.Com Content Network
Packaged terminal air conditioner installed in a residential apartment. A packaged terminal air conditioner (PTAC) is a type of self-contained heating and air conditioning system intended to be mounted through a wall. [1] The first practical semi-portable air conditioning unit invented by engineers at Chrysler Motors. It entered the market in ...
The efficiency of air conditioners is often rated by the seasonal energy efficiency ratio (SEER), which is defined by the Air Conditioning, Heating and Refrigeration Institute in its 2008 standard AHRI 210/240, Performance Rating of Unitary Air-Conditioning and Air-Source Heat Pump Equipment. [61]
The output of small condensate pumps is usually routed to a sewer, plumbing drain, or the outside world via PVC plastic tubing (condensate drain line). In some locales, condensate water is not permitted to enter a sewer system and must be directed to the outside of the house, usually into the leader/gutter downspout system, or the stormwater ...
HVAC (Heating, Ventilation and Air Conditioning) equipment needs a control system to regulate the operation of a heating and/or air conditioning system. [1] Usually a sensing device is used to compare the actual state (e.g. temperature) with a target state. Then the control system draws a conclusion what action has to be taken (e.g. start the ...
Goodman Manufacturing is an American company operating as an independent subsidiary [1] [2] of Daikin Group, the world's largest manufacturer of heating, ventilation and air conditioning products and systems. The company, founded in 1975 and based in Waller, Texas, manufactures residential heating and cooling systems. [3]
The InterContinental Resort is the largest seawater air conditioning system to date, though there are several other, larger systems being planned. [7] Honolulu Seawater Air Conditioning was a project intended to use seawater air conditioning to deliver renewable cooling to commercial and residential properties in the downtown Honolulu area.
In September 2010, the Air Force awarded a $61 million contract to L-3 Communications to give a gunship-like attack capability to eight MC-130W Combat Spear special-mission aircraft. Under the deal, L-3 added the weapons kits, called "precision strike packages". MC-130Ws fitted with the weapons were renamed Dragon Spears. Air Force Special ...
Bellows, hydraulic-powered: Although it is unknown if metallurgic bellows (i.e. air-blowing device) in the Han dynasty (202 BC – 220 AD) were of the leather bag type or the wooden fan type found in the later Yuan dynasty (1279–1368), the Eastern Han dynasty mechanical engineer and politician Du Shi (d. 38 AD) applied the use of rotating ...