Find the manufacture year of any Goodman AC, heat pump, or furnace from the serial number.
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How to decode the serial number
Goodman is one of the most common HVAC brands in the US due to its budget-friendly pricing. Goodman uses a straightforward year-week code in the serial number.
2009 to Present
The first two digits are the year, the next two are the 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
On Goodman outdoor units, the data plate is on the side panel — often on the right side facing the access panel.
On Goodman furnaces, the data plate is on the inside front panel or blower compartment.
Goodman serial numbers begin with two digits for year followed by two digits for week.
Goodman and Amana are sister brands — same serial format.
Decoded examples
2317A123456
→ Week 17, 2023
23 = 2023, 17 = week 17
1034B789012
→ Week 34, 2010
10 = 2010, 34 = week 34
9852C111111
→ Week 52, 1998
98 = 1998, 52 = week 52
Life expectancy
Expected lifespan: 12–15 years for Goodman central AC and heat pumps. As a budget brand, Goodman units typically have a shorter expected lifespan than premium brands.
Common questions
The serial number starts with four digits — the first two are the year, the next two are the week. Example: 1523 = week 23 of 2015.
Goodman is the most popular budget HVAC brand in the US. Reliability is adequate but below premium brands — the average lifespan is 12–15 years versus 15–20 for premium brands. The lower upfront cost often makes Goodman a reasonable value choice.
Yes. Both are owned by Daikin (which acquired Goodman Global in 2012). Amana is the mid-tier brand and Goodman is the budget brand — they are manufactured at the same facility with similar components.