ICP Commercial (ICP)® HVAC age
How to determine the date of production/manufacture or age of ICP® 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: ICP is a part of Carrier Global Corporation
Subsidiaries or other related brands: Day & Night | Keeprite | ACiQ | Airquest | Arcoaire | Comfortmaker | Heil | Heil-Quaker | Tempstar | Lincoln (formerly) | Kenmore HVAC systems | and numerous other private label brands
Example serial number styles/formats found:
- Style 1: G051650885
Legend: Year is RED; Month is GREEN; Week is BLUE
Style 1: G051650885
Year of manufacture can be determined by using the 2nd & 3rd positions of the serial number
Week of manufacture can be determined by using the 4th & 5th positions of the serial number


ICP® History¹
Originally known as Inter-City Gas Corp. which was formed circa 1980 from a number of Canada utility acquisitions originating back to 1951. Headquartered near Toronto (Richmond Hill, Ontario), ICG acquired several HVACR companies and brands during the 1970's and 1980's.
- 1986 - Purchased Heil-Quaker from Whirlpool Corp.
- 1987 - Inter-City Gas Dropped Whirlpool name and created "Tempstar" brand in it's place.
- 1990 - ICG's Energy Products Division -(which included Heil-Quaker, Keeprite, Lincoln, Unifin, and Tempstar brands)- was consolidated into a new company as "Inter-City Products Corp.
- 1991 - SnyderGeneral was sold to Inter-City Products. Both Comfortmaker and Arcoaire brands were part of SnyderGeneral.
- 1999 - Carrier/United Technologies acquires Inter-City Products, and changed the name to International Comfort Products (ICP). Carrier becomes the parent company of ICP, thus incorporating all ICP brands under the Carrier umbrella
- 2006 - Day & Night brand revived by ICP between 2006-2009 (sources for date vary).
- 2020 - Carrier completes separation from United Technologies as an independent, publicly traded company - Carrier Global Corporation. The separation process was started in 2018. Carrier retains ICP and their brands.
1 From various industry sources
