AC SIZE. You can register your Product Warranty by downloading the Product Warranty Agreement form below. Run batch query. Tap the barcode icon and scan the barcode on Lennox equipment to bring up the most recent warranty certificate. Talk to a Lennox Dealer. Please enter your installing dealer's name. var path = 'hr' + 'ef' + '='; The first two digits are the day, the letter is the month, and the following two numbers are the year **in reverse**. For eligible Dave Lennox Signature Collection, homeowners have the opportunity to obtain the default 2 years parts only extension (for a total of 12-years parts only coverage) or, in lieu of that option, they have the opportunity to receive 3 years of labor coverage (for a total of 10 years parts and 3 years labor). Check out our Comfort Matters blog articles on this topic: It's easy to find an expert Lennox Dealer who can help you make the most of your HVAC system. You will need to have the model and serial number of your unit, which can be found on the unit's data plate. Still, mechanical and electrical breakdowns can happen. Example: xxxxx241 = 41st week of 1982, 1992, 2002, etc. Check out our Comfort Matters blog articles on this topic: It's easy to find an expert Lennox Dealer who can help you make the most of your HVAC system. Step 3. First things first: Nearly all manufacturers offer a 5-year warranty on their equipment no matter what. An evaporator coil is a part of an air conditioning system or heat pump system in the cooling mode. Detail information about Goodman Serial Number we have discussed before, Click Here. www.Building-Center.org -- The World's Leading Reference for Inspectors! If your air conditioner has a different manufacturer .