Find the manufacture year of any Comfortmaker unit. Same serial format as Heil and Tempstar.
Air ConditionerHeat PumpFurnace
Enter Serial Number
How to decode the serial number
Comfortmaker is an ICP brand (Carrier subsidiary). All ICP brands — Heil, Tempstar, Comfortmaker, Arcoaire, Day & Night — use the same year-week serial format.
2004 to Present
First two digits = year, next two = week.
1723A123456
Position
Meaning
Example
1–2
Year — 2017
17
3–4
Week — Week 23
23
5+
Sequence — Ignore
A123456
Where to find the serial number
Data plate on side panel or inside furnace cabinet.
Decoded examples
1834A123456
→ Week 34, 2018
18 = 2018, 34 = week 34
Life expectancy
Expected lifespan: 15–18 years.
Common questions
Comfortmaker is made by International Comfort Products (ICP), a wholly owned subsidiary of Carrier Global. Same factories and components as Heil and Tempstar.
✓ Your unit appears to be within normal service life. HVAC systems typically last 15–20 years with proper maintenance. Keep up with annual tune-ups and filter changes to maximize lifespan.
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