We can only presume the letters at the beginning of the serial number denote the year and month of manufacture; however, the style does not match any known reference charts for their letter coding during these years.POWERED BY BOWMAN-WARNER INGENUITY! (NOTE: Serial Number styles found for several Ingersol Rand® and American Standard® Brands are being used here. Here at With more than 10 years experience in Heating and Air Conditioning System. Should you encounter one of these, their estimated age should be clearly evident based on condition or appearance alone, and they will have far exceeded the average estimated end of useful service life (EUL).This style began seeing use during the 1980’s in various brands, models, and products manufactured by Trane/American Standard. It has reappeared in various models, brands, and products over the years.Not to be confused with style 2 or style 3, this format used a hyphen after the first three characters in the serial number.This style was generally used from the 70’s into the 90’s.This style appears to be a European product style serial number. Trane® has utilized multiple serial number formats over the years. Determining Air Conditioning Age & Capacity As a rule-of-thumb, capacity information is encoded by air conditioning manufactures in the model number and date of manufacture info in the serial number. Several styles overlap in certain years as the newly acquired companies transitioned. This Trane serial number style was used from 1980 through 1982. Unless otherwise stated Building Intelligence Center (www.buildingcenter.org) sites are neither endorsed by nor affiliated with any of the holders of any such rights and as such Building Intelligence Center (www.buildingcenter.org) cannot grant any rights to use any otherwise protected materials. Please consider a donation.Note – YOUR browser must be configured to accept and store Cookies for the Do Not Show Again option to work. Our research also indicates that some styles used only a sequential order numbering that has no obvious method of decoding.Because of the wide variety of styles or formats that Trane® (in its various forms) used and the often similar styles found, other determining clues such as condition of the unit, style of the data plate, ANSI or CGA standards compliance dates, dates on service tags, and simple Our research indicates that some earlier commercial and residential Trane models manufactured circa 1978-79 may have also used this style. The unit was manufactured by Golbey (an American Standard Company) in France. There are 12,000 Btus per ton of cooling, and air conditioners are sized by every ½ ton. There are two serial number formats: 1) 2002 to present - If the serial number is a 9-digit combination of letters and numbers that starts with a number, then the first number is the year. )always beginning with a letter followed by 2 digits Use our guide above to decipher your trane serial number or ask your dealer for help.Having the right HVAC system for your home makes all the difference in how comfortable your home is, how much money you spend on energy bills and how hassle free your system is. Selecting this will disable this pop up for 30 days if cookies are enabled and not cleared.Any of the trademarks, service marks, collective marks, design rights or similar rights that are mentioned, used or cited in the articles of the Building Intelligence Center (www.buildingcenter.org) are the property of their respective owners. This HVAC company started this in 1987 with the letter B and skipped a couple of letters during the years. Several were only used for a brief period, some were used intermittently at various periods and for various products, while others continued to be used for many years under the trademarked Ingersoll Rand®, American Standard®, Trane®, and even GE® brand names. Beginning in 2010, the first two digits are the year. This guide is intended to assist Commercial/Residential Building Inspectors, HVAC professionals, Facilities Managers, HOA’s, etc.., in determining the date of manufacture and/or age of HVAC equipment to determine the expected useful life (EUL).
We can only presume the letters at the beginning of the serial number denote the year and month of manufacture; however, the style does not match any known reference charts for their letter coding during these years.POWERED BY BOWMAN-WARNER INGENUITY! (NOTE: Serial Number styles found for several Ingersol Rand® and American Standard® Brands are being used here. Here at With more than 10 years experience in Heating and Air Conditioning System. Should you encounter one of these, their estimated age should be clearly evident based on condition or appearance alone, and they will have far exceeded the average estimated end of useful service life (EUL).This style began seeing use during the 1980’s in various brands, models, and products manufactured by Trane/American Standard. It has reappeared in various models, brands, and products over the years.Not to be confused with style 2 or style 3, this format used a hyphen after the first three characters in the serial number.This style was generally used from the 70’s into the 90’s.This style appears to be a European product style serial number. Trane® has utilized multiple serial number formats over the years. Determining Air Conditioning Age & Capacity As a rule-of-thumb, capacity information is encoded by air conditioning manufactures in the model number and date of manufacture info in the serial number. Several styles overlap in certain years as the newly acquired companies transitioned. This Trane serial number style was used from 1980 through 1982. Unless otherwise stated Building Intelligence Center (www.buildingcenter.org) sites are neither endorsed by nor affiliated with any of the holders of any such rights and as such Building Intelligence Center (www.buildingcenter.org) cannot grant any rights to use any otherwise protected materials. Please consider a donation.Note – YOUR browser must be configured to accept and store Cookies for the Do Not Show Again option to work. Our research also indicates that some styles used only a sequential order numbering that has no obvious method of decoding.Because of the wide variety of styles or formats that Trane® (in its various forms) used and the often similar styles found, other determining clues such as condition of the unit, style of the data plate, ANSI or CGA standards compliance dates, dates on service tags, and simple Our research indicates that some earlier commercial and residential Trane models manufactured circa 1978-79 may have also used this style. The unit was manufactured by Golbey (an American Standard Company) in France. There are 12,000 Btus per ton of cooling, and air conditioners are sized by every ½ ton. There are two serial number formats: 1) 2002 to present - If the serial number is a 9-digit combination of letters and numbers that starts with a number, then the first number is the year. )always beginning with a letter followed by 2 digits Use our guide above to decipher your trane serial number or ask your dealer for help.Having the right HVAC system for your home makes all the difference in how comfortable your home is, how much money you spend on energy bills and how hassle free your system is. Selecting this will disable this pop up for 30 days if cookies are enabled and not cleared.Any of the trademarks, service marks, collective marks, design rights or similar rights that are mentioned, used or cited in the articles of the Building Intelligence Center (www.buildingcenter.org) are the property of their respective owners. This HVAC company started this in 1987 with the letter B and skipped a couple of letters during the years. Several were only used for a brief period, some were used intermittently at various periods and for various products, while others continued to be used for many years under the trademarked Ingersoll Rand®, American Standard®, Trane®, and even GE® brand names. Beginning in 2010, the first two digits are the year. This guide is intended to assist Commercial/Residential Building Inspectors, HVAC professionals, Facilities Managers, HOA’s, etc.., in determining the date of manufacture and/or age of HVAC equipment to determine the expected useful life (EUL).