Goodman Ductless Mini-SplitHow to Decode
Goodman Manufacturing offers affordable, reliable HVAC equipment and is one of the largest residential HVAC brands in the US.
Decode Your Unit NowGoodman Ductless Mini-Split — Type
Brand
Goodman
Equipment Type
Ductless Mini-Split
SEER Range
15-33
Expected Lifespan
12-20 years
Serial Format
Year-Month (YYMM)
Warranty
10-year limited parts
Current Refrigerant
R-410A / R-32
Headquarters
Houston, TX
Goodman Serial Number Decoding Table
Example
2301234567
| Positions | Field | Value | Meaning |
|---|---|---|---|
| 1-2 | Year of manufacture | 23 | 2023 |
| 3-4 | Month of manufacture | 01 | January |
| 5-10 | Sequential number | 234567 | Production sequence |
Goodman Model Number Decoding Table
Example
GSX160361
| Positions | Field | Value | Meaning |
|---|---|---|---|
| 1-3 | Product type | GSX | Split system air conditioner |
| 4-5 | SEER rating | 16 | 16 SEER |
| 6-8 | Capacity (000s BTU) | 036 | 36,000 BTU (3 tons) |
| 9 | Revision | 1 | First revision |
Goodman Ductless Mini-Split -- Overview
Goodman manufactures a comprehensive lineup of ductless mini-split models ranging from entry-level to premium high-efficiency units. With SEER ratings spanning 15-33, Goodman offers options for every budget. These units are backed by 10-year limited parts.
The typical lifespan is approximately 12-20 years with regular maintenance. Our decoder tool can instantly tell you the exact age and condition of your unit.
How to Decode Your Goodman Ductless Mini-Split Serial Number
Every Goodman HVAC unit has a unique serial number that encodes critical information about the unit. Goodman uses a Year-Month (YYMM) format, where specific characters represent the manufacturing date, production facility, and unit sequence number.
For example, the serial number "2301234567" can be decoded as follows: the first characters indicate the manufacturing date, while subsequent digits identify the production line and unit number. Our free decoder tool automatically parses this format and reveals the complete manufacturing history.
Maintenance Schedule for Goodman Ductless Mini-Split
Replace or clean air filters: Every 1-3 months. Clean condenser coils: Annually (spring). Check refrigerant levels: Annually. Inspect electrical connections: Annually. Clean evaporator drain line: Every 6 months. Test thermostat calibration: Annually. Inspect ductwork for leaks: Every 2-3 years.
Goodman Ductless Mini-Split Efficiency Over Time
Goodman has continuously improved efficiency to meet evolving federal standards. In 2006, the minimum was raised to SEER 13. In 2015, southern states moved to SEER 14. In 2023, new SEER2 standards took effect: 14.3 SEER2 (South), 13.4 SEER2 (North). Modern Goodman models range from 14 to 26+ SEER.
Regarding refrigerants: Goodman units before 2010 likely use R-22 (phased out since 2020 -- expensive and harmful). Units from 2010-2023 use R-410A. Newest models use R-32 or R-454B to meet EPA regulations. Knowing your refrigerant is critical -- R-22 refills cost $100-200+ per pound.
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Decode Your Unit NowFAQ
How do I find the age of my Goodman HVAC unit?
Enter your Goodman serial number into our free decoder. Goodman uses a Year-Month (YYMM) format. We parse it instantly and calculate the exact age, plus a condition status.
Is Goodman a good HVAC brand?
Goodman is one of the most established manufacturers, founded in 1975 with over 51 years of experience. They offer 10-year limited parts and consistently rank among top brands.
What does a Goodman serial number look like?
Goodman serial numbers follow a Year-Month (YYMM) format. Example: "2301234567". Find it on the metal data plate on the unit.
How long is the Goodman warranty?
Goodman typically offers 10-year limited parts on residential equipment when properly registered.