How old is my Day & Night equipment?
Enter the serial number from the label. The date comes from Day & Night's documented serial rules, not a guess.
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By equipment type
Day & Night furnace age
Typical life: 15–20 years
Day & Night air conditioner age
Typical life: 10–15 years
Day & Night heat pump age
Typical life: 10–15 years
Questions
- How do I find the age of my Day & Night equipment?
- Enter the serial number from the rating plate above. Day & Night uses the Carrier family serial format, which includes the manufacture date.
Same serial format
Sources
- Carrier: Legacy gas furnace enhanced warranty (serials 2993A00001–5211A99999 built 1993–2011)
- Health Canada: Carrier Greenspeed / Bryant Evolution recall (serial ranges by year)
- Building-Intelligence Center: Carrier HVAC age
- Electrical-Forensics: Air conditioner date codes
Rules last reviewed 2026-09-28. These rules are in Beta while we verify more real-world examples, so results are capped at medium confidence.
Manufacture dates are decoded from manufacturer serial-number conventions and available documentation. Serial formats can change. Verify critical equipment information with the manufacturer when necessary.