Capillary tubes are generally used as the metering device on small, fractional-horsepower refrigeration systems. Charging these systems with refrigerant requires a different procedure than those ...
NOT ENOUGH: Bryan Jones, an installer at Fire and Ice Heating and Air Conditioning, Columbus, Ohio, ensures the charge is correct. A system with too little refrigerant will not cool/heat or dehumidify ...
Engineers have developed a technique that saves energy and servicing costs by indicating when air conditioners are low on refrigerant, preventing the units from working overtime. The new "virtual ...
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