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Photograph of  This new compressor was placed directly against
a brick wall. One third of its condenser coil cooling ability was blocked.Air Conditioning & Heat Pump System Life
Factors that determine the life of air conditioning & heating equipment

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Air conditioner or heat pump life:

This article describes the key factors that influence how long an air conditioner or heat pump can be expected to last - its life expectancy. Some of these factors also affect the life expectancy of heating furnaces, boilers, and other HVACR equipment too. We include citatations of research on HVAC system component life expectancy and standards for measauring or estimating that data. We include links to related articles on how to determine the age of heating & cooling equipment, furnaces, boilers, heat exchangers.



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What is the Average Life of an Air Conditioning or Heat Pump Compressor ?

Air conditioning compressors overgrown with shrubs (C) Daniel Friedman

[Click to enlarge any image] Just how long should an air conditioning or heat pump compressor unit or motor last? There is not a single right answer. The typical life of an A/C compressor ranges from 10-20 years. As you can see in Carson Dunlop Associates' sketch at left the life of an air conditioner outdoor compressor/condenser unit depends on the climate in which it is located. .

The air conditioner compressor, condenser, fan unit is the "outdoor" half of an air conditioning or heat pump installation that uses a compressor motor to compress refrigerant gas to high pressure, sending the pressurized gas through cooling coils (condensing coils) where aided by air movement drawn by the condenser unit fan, the gas is returned to a liquid refrigerant state.

The process of compressing and then condensing the refrigerant back from a gas to a liquid also moves heat out of the refrigerant and into outdoor air. We explain this process in detail at COMPRESSOR / CONDENSER OPERATION - how it works to heat or cool a building

The outdoor half of a typical air conditioning system (shown here) is a unit containing the refrigerant compressor and condensing coil and a cooling fan. In our photo the gray screened area covering one side of the condensing coil of the first compressor in this row is easily visible.

The compressor motor itself (below-right) is not visible unless the covers of this unit are removed.

Factors Affecting the Life Expectancy of Air Conditioners & Heat Pumps

Air conditioning compressors overgrown with shrubs (C) Daniel Friedman

Research on HVACR System Life Expectancy

Article Series Contents

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Continue reading at AGE of AIR CONDITIONERS & HEAT PUMPS or select a topic from closely-related articles below, or see our complete INDEX to RELATED ARTICLES below.

Or see AGE of HEATERS, BOILERS, FURNACES

Or see COMPRESSOR / CONDENSER REPAIR - home

Or see LIFE EXPECTANCY of AIR CONDITIONER or HEAT PUMP

Or see LIFE EXPECTANCY of FAN / WALL CONVECTOR

Or see REPAIR GUIDES A/C / HEAT PUMP - home

Suggested citation for this web page

AIR CONDITIONER/ HEAT PUMP LIFE EXPECTANCY at InspectApedia.com - online encyclopedia of building & environmental inspection, testing, diagnosis, repair, & problem prevention advice.

INDEX to RELATED ARTICLES: ARTICLE INDEX to AIR CONDITIONING & HEAT PUMPS

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