AIRQUEST®
How to determine the date of production/manufacture or age of AIRQUEST® HVAC Systems.
The date of production/manufacture or age of AIRQUEST® HVAC equipment can be determined from the serial number located on the data plate.
Parent Company: International Combort Products (ICP)., part of UTC Building & Industrial Systems, a subsidiary company of United Technologies Corp.
Sister or similar Brands Include: Airquest® | Arcoaire® | Day & Night® | Dettson® | Heil® | ICP Commercial® | Keeprite® | Lincoln® | Tempstar®
Example serial number styles/formats found:
Style 1:Â Â Â Â E072514528
Style 2:Â Â Â Â L920671787
Style 3:Â Â Â Â 4102G12345
Style 1:Â Â E072514528
Description: Ten (10) character Serial number begins with a single letter followed by nine (9) numerical digits.
Year of manufacture is 2nd-3rd characters.
Month of manufacture is 4th-5th characters.

Style 2:Â Â L920671787
Description: Ten (10) character Serial number begins with a single Letter (Normally an “L” or “G”)Â and ends with nine (9) numerical digits.
Year of manufacture is 2nd-3rd characters.
Week of manufacture is 4th-5th characters.

Style 3:Â Â 4102G12345
Description: Ten (10) character Serial number begins with four (4) numerical digits followed by one (1) letter and ends with five (5) numerical digits.
Week of manufacture is 1st – 2nd numerical digits.
Year of manufacture is 3rd – 4th numerical digits.

Page last updated: 29 March 2016