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packaged terminal air conditioner An air conditioner and heater combined into a single, electrically powered unit, typically installed through a wall and often found in hotels. Abbreviated PTAC. PAG Polyalkylene glycol is a synthetic oil used in A/C systems to lubricate the compressor.
Vintage Peter Storm cagoule with zipped side-slit hand access to undergarments and extra-long sleeves with elasticated storm cuffs, modelled on a mannequin. A cagoule (French:, also spelled cagoul, kagoule or kagool), is the British English term for a lightweight weatherproof raincoat or anorak with a hood (usually without lining), which often comes in knee-length form. [1]
An air conditioning system, or a standalone air conditioner, provides cooling and/or humidity control for all or part of a building. Air conditioned buildings often have sealed windows, because open windows would work against the system intended to maintain constant indoor air conditions.
Air conditioning equipment will reduce the absolute humidity of the air processed by the system if the surface of the evaporator coil is significantly cooler than the dew point of the surrounding air. An air conditioner designed for an occupied space will typically achieve a 30% to 60% relative humidity in the occupied space.
The Mackintosh raincoat (abbreviated as mac) is a form of waterproof raincoat, first sold in 1824, made of rubberised fabric. [ 2 ] The Mackintosh is named after its Scottish inventor Charles Macintosh , although many writers added a letter k .
Thermodynamic heat pump cycles or refrigeration cycles are the conceptual and mathematical models for heat pump, air conditioning and refrigeration systems. [1] A heat pump is a mechanical system that transmits heat from one location (the "source") at a certain temperature to another location (the "sink" or "heat sink") at a higher temperature. [2]
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A raincoat is a waterproof or water-resistant garment worn on the upper body to shield the wearer from rain. The term rain jacket is sometimes used to refer to raincoats with long sleeves that are waist-length. A rain jacket may be combined with a pair of rain pants to make a rainsuit. Rain clothing may also be in one piece, like a boilersuit.