Airease-Johnson® HVAC age

How to determine the date of production/manufacture or age of Airease-Johnson® brand HVAC Systems.

The industry average service design life for most forced air furnaces is 15-20 years, and the industry average service design life for most air conditioning condensing units is 10-15 years. The average service design life of boilers can vary from as little as 10 years to as many as 50 years depending on the type and quality of materials used in their manufacture. Routine upkeep/maintenance, regional weather/climate, and location/placement of the mechanical systems will all play critical roles in the longevity of these systems.

See also: Estimated Useful Service Life Expectancies

Parent Company: Lennox

Subsidiaries or other related brands: AirEase® | Airease-Johnson® | Aire-flo® | Allied-Commercial® | Armstrong Air® | Concord® | Ducane® | Lennox® | Magic-Pak®

The date of production/manufacture or age of Airease-Johnson brand HVAC equipment can be determined from the serial number located on the rating data plate.

Example serial number styles/formats found:

  • Style 1:  1606B13871
  • Style 2:  C89274AAC
  • Style 3:  15A67 JA098
  • Style 4:  4140720328

Legend:  Year is RED;  Month is GREEN; Week is LIGHT BLUE; Day is BLUE

Style 1:   1606B13871

Year of manufacture can be determined by using the 3rd & 4th positions of the serial number

Month of manufacture can be determined by using the 5th position of the serial number (See Chart Below)

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Style 2: C89274AAC

Month of manufacture can be determined by using the 7th position of the serial number (See Chart Below)

Year of manufacture can be determined by using the 8th position of the serial number (See Chart Below)

 

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Style 3: 15A67 JA098

Day of manufacture can be determined by using the 1st & 2nd positions of the serial number

Month of manufacture can be determined by using the 3rd position of the serial number (See Chart Below)

Year of manufacture can be determined by using the 4th & 5th positions of the serial number

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Style 4: 4140720328

Year of manufacture can be determined by using the 7th & 8th positions of the serial number

Week of manufacture can be determined by using the 9th & 10th positions of the serial number

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Airease-Johnson® History¹
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Every effort is undertaken to offer you correct and concise information to assist you in determining the age or manufacture date of HVAC/R equipment. Users relying on this information do so at their own risk.
Page last updated: 09/12/2023