The specific heat of water is 1 calorie/gram Â°C = 4.186 joule/gram Â°C which is higher than any other common substance. As a result, water plays a very important role in temperature regulation.
Central air conditioners typically last from 10 to 15 years. The lifespan of a central cooling unit may be reduced if its capacity is not properly matched to the cooling load of the home.
According to a recent American Home Comfort Study, the lifespans of different equipment tend to hover around the same marks. A properly maintained and installed furnace can last 20 years while an air conditioner and heat pump can last around 16 years and 14 years, respectively (on average).As you can imagine, heating and cooling technology progresses immensely over such a long period of time.witch to an R-410-A compatible air conditioner or heat pump. Old systems most likely use R-22, an ozone-depleting refrigerant that was recently named harmful for the environment.