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2. Thermal expansion valve - Wikipedia

   en.wikipedia.org/wiki/Thermal_expansion_valve

   A thermal expansion valve is a key element to a heat pump; this is the cycle that makes air conditioning, or air cooling, possible. A basic refrigeration cycle consists of four major elements: a compressor, a condenser, a metering device and an evaporator. As a refrigerant passes through a circuit containing these four elements, air ...

3. Automotive air conditioning - Wikipedia

   en.wikipedia.org/wiki/Automotive_air_conditioning

   The particles of microorganisms, pollen, germs and bacteria are released directly to the moist surface environment of the air conditioning system evaporator via the clean air side of the filter. Therefore, the air conditioning evaporator should also be professionally cleaned once a year. Uncleaned air conditioner evaporator with biogrowth.

4. Inverter compressor - Wikipedia

   en.wikipedia.org/wiki/Inverter_compressor

   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.

5. Glossary of HVAC terms - Wikipedia

   en.wikipedia.org/wiki/Glossary_of_HVAC_terms

   This type of air conditioner produces a balanced temperature and is in use for a longer period of time. txv - Thermostatic Expansion Valve A thermostatic expansion valve is a piece of equipment that meters the flow of liquid refrigerant into the evaporator while measuring the vapor refrigerant leaving the evaporator.

6. Heating, ventilation, and air conditioning - Wikipedia

   en.wikipedia.org/wiki/Heating,_ventilation,_and...

   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.

7. Roof insurance: ACV vs. replacement cost - AOL

   www.aol.com/finance/roof-insurance-acv-vs...

   Extended replacement cost coverage is usually represented as a percentage, such as 125 percent or 150 percent. This means that you have coverage in excess of your Coverage A limit. If your home is ...