Aspen® HVAC age

How to determine the date of production/manufacture or age of Aspen® 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.

Parent Company: Aspen Manufacturing

Subsidiaries or other related brands: Aspen | Aspen Pro | AirMark

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

Example serial number styles/formats found:

Style 1: J04-0001762

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

Style 1: J04-0001762

11 or 12-character serial number beginning with a letter and 2-digits, followed by a hyphen and the remaining sequence number.

Year of manufacture can be determined by using the 2^nd & 3^rd positions (first 2 digits after letter) of the serial number

Month of manufacture can be determined by using the 1^stposition (letter) of the serial number

Aspen® History¹

1975 - Company founded
Aspen Manufacturing is an independent evaporator coil and air handler manufacturer, producing products under the Aspen, Aspen Pro, and AirMark brands.

¹Excerpts from https://www.aspenmfg.com/about-us/

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: 03/11/2025

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