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This is a very common unit type. The rising cost of energy means that air conditioning manufacturers must develop a new generation of high-efficiency, cost-effective air conditioners for commercial buildings that meet or exceed a part-load efficiency standard of typically 18 IEER. The aim is to reduce energy use by 30% over current equipment.
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 temperature in the target area is increased by recirculating its air through the machine's conditioning system. The system heats and lowers the relative humidity of the air being conditioned. The conditioned air is fed into the target drying area either directly or through ducts.
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Variable refrigerant flow (VRF), also known as variable refrigerant volume (VRV), is an HVAC technology invented by Daikin Industries, Ltd. in 1982. [1] Similar to ductless mini-split systems, VRFs use refrigerant as the primary cooling and heating medium, and are usually less complex than conventional chiller-based systems.
An evaporative cooler (also known as evaporative air conditioner, swamp cooler, swamp box, desert cooler and wet air cooler) is a device that cools air through the evaporation of water. Evaporative cooling differs from other air conditioning systems, which use vapor-compression or absorption refrigeration cycles.
An air fryer is just the ticket when you want a hot meal without turning on the oven. This top-rated model heats up quickly and holds up to 2.5 pounds of fries or 14 wings at a time.
The BedJet is a favorite for sleeping if you don't have air conditioning. Basically, it's a tiny, standalone air conditioner with a tube that connects to a special two-layer top sheet.