All Supported Brands
Select your brand below to use our dedicated decoder and read a full guide on finding and interpreting serial numbers.
🌡️ HVAC Systems (19 brands)
Carrier
HVACCarrier is one of the world's largest HVAC manufacturers. Serial numbers encode the manufacture week and year.
Bryant
HVACBryant is a subsidiary of Carrier and uses the same serial number format.
Part of Carrier family
Payne
HVACPayne is a value brand under the Carrier umbrella, sharing the same serial number encoding.
Part of Carrier family
Trane
HVACTrane is a premium HVAC brand. Their serial numbers use a letter+digit system to encode manufacture date.
American Standard
HVACAmerican Standard shares ownership and serial number formats with Trane.
Part of Trane family
Lennox
HVACLennox is a top-tier HVAC brand known for efficiency. Serial numbers encode year and week in positions 4-7.
York
HVACYork (Johnson Controls) encodes decade, year, and month in the first characters of the serial.
Goodman
HVACGoodman is a value-oriented HVAC brand. The first 4 digits of the serial encode the year and week.
Amana HVAC
HVACAmana HVAC (owned by Goodman/Daikin) uses the same serial format as Goodman.
Part of Goodman family
Daikin
HVACDaikin USA (which owns Goodman) uses a similar serial number format for date encoding.
Part of Goodman family
Rheem
HVACRheem is a major HVAC and water heater brand. The 2nd and 3rd digits encode year, 4th and 5th encode week.
Ruud
HVACRuud is owned by Rheem and shares the same serial number format.
Part of Rheem family
Heil
HVACHeil (ICP/Johnson Controls) uses the same serial format as York.
Part of York family
Coleman
HVACColeman HVAC (Johnson Controls) uses the same serial format as York and Heil.
Part of York family
Comfortmaker
HVACComfortmaker is an ICP/Johnson Controls brand that uses the York serial number format. Decade letter, year digit, and month are encoded in the first four characters.
Part of York family
Tempstar
HVACTempstar is a premium ICP/Johnson Controls brand sharing the York serial number format with decade letter, year digit, and two-digit month encoding.
Part of York family
Luxaire
HVACLuxaire is a York brand sold through specialty dealers. It uses the same serial number format as York with decade letter and month encoding.
Part of York family
Champion HVAC
HVACChampion HVAC is a Johnson Controls ICP brand using the same York serial format. The first four characters encode decade, year, and month.
Part of York family
Keeprite
HVACKeeprite is a Canadian ICP/Johnson Controls brand using the York serial number format. Common in Canadian residential HVAC installations.
Part of York family
🏠 Appliances (15 brands)
Whirlpool
ApplianceWhirlpool appliance serials encode year and month in characters 2 and 3 respectively.
KitchenAid
ApplianceKitchenAid (Whirlpool brand) uses the same serial number encoding system.
Part of Whirlpool family
Maytag
ApplianceMaytag (Whirlpool brand) shares the same serial format with year and month encoded by letters.
Part of Whirlpool family
Amana Appliances
ApplianceAmana appliances (Whirlpool brand) use the same serial decoding system.
Part of Whirlpool family
GE Appliances
ApplianceGE Appliances uses a letter-based system where position 2 = month and position 3 = year.
Hotpoint
ApplianceHotpoint (GE brand) shares the same serial number encoding as GE Appliances.
Part of GE family
Samsung
ApplianceSamsung appliances encode year in position 4 and month in position 5 of the serial number.
LG
ApplianceLG appliances use position 2 for the year digit and position 3 for the month in their serial numbers.
JennAir
ApplianceJennAir is a premium Whirlpool brand. Its serial numbers use the same letter-based encoding as Whirlpool, with position 2 encoding year and position 3 encoding month.
Part of Whirlpool family
Kenmore
ApplianceKenmore appliances are primarily manufactured by Whirlpool and use the Whirlpool serial number format with year and month encoded in characters 2 and 3.
Part of Whirlpool family
Roper
ApplianceRoper is a value-tier Whirlpool brand. It shares the Whirlpool serial number format with year letter in position 2 and month letter in position 3.
Part of Whirlpool family
Frigidaire
ApplianceFrigidaire (Electrolux brand) encodes manufacture date in characters 3-6: two-digit year followed by two-digit week number.
Electrolux
ApplianceElectrolux uses the same serial number format as its Frigidaire brand: plant code (2 letters) + 2-digit year + 2-digit week of manufacture.
Part of Electrolux Group family
Speed Queen
ApplianceSpeed Queen commercial and residential washers encode year in the first two digits and week in the next two digits of the serial number.
Bosch
ApplianceBosch appliances use a Fertigungsdatum (FD) date code. The serial may start with "FD" or a plant code, followed by a 2-digit year and 2-digit month.
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