Goodman furnace serial number age - We built RTU Decoder with a mission to make life easier for professionals in the HVAC industry. Starting out with a serial number decoder for a few selected makes, you can look up equipment’s assembly month based on its serial number. Enjoy the convenience of decoding multiple units simultaneously with our batch lookup tool.

 
What should pop up is a site explaining how to decode the serial number to find the manufacture's date. For example—and this is only for one manufacturer—you may learn that the serial number 7032TPW3F for your brand and model of AC means the unit was manufactured in the 3rd fiscal week of 2007, i.e. January 2007.. Costco gas yakima

The first two numbers of the serial number, after a single letter, are the year of manufacture of a Tempstar furnace. So the data plate for the Tempstar furnace shown below indicates it was manufactured in 2015. Sometimes the date is also listed nearby. To determine other key specs of your HVAC system, see one of these other blog posts:Determine The Age of My Water Heater. ... This rating plate example shows the model number in blue and the serial number in yellow. Service, Repair or Replace 3 Simple Steps. Whatever your issue, it's easy to solve the problems with some quick help from a plumbing professional. ... Maintenance should be performed by a plumbing/HVAC professional.• Furnace • Indoor Coil • Air Handler • Thermostat • Air Cleaner • Humidifier • Energy Recovery Ventilator. Packaged Unit • The serial number label is located on the rear panel of the outdoor unit. Air Conditioner or Heat Pump • The serial number label is located on the top, right-rear of the outdoor unit.So, for example, the serial number below beginning with "W1D5" indicates that the condenser was manufactured in 2015. And here's an example from a York furnace manufactured in 2009. An earlier serial number system, that was used until October 2004, has a sequence of four letters followed by a string of six numbers.Style # 3 Amana serial numbers are eight characters – all numbers – with a “-” after the first and second numbers. Example: 98- 90558. Year: In style # 3, the first and second digits together indicate the year the unit was made, so 98 means it was made in 1998. Month: N/A This style of serial number does not give you the month it was ...To reset your Goodman furnace after a lockout, consider one of these options: Turn off the thermostat for a period of not less than 5 seconds and not more than 20 seconds. Turn off the furnace for a minimum of 5 seconds. Leave the furnace to automatically reset after 1 hour of lockout.If you need help determining the age of your furnace, or if you need to replace your furnace, contact Precision Heating & Air. We’re the experts you can trust when it comes to all things heating and air. We are easily contacted via phone at (770) 758-4552 or through our convenient online form.This "How to Locate Your Furnace Model and Serial Number" video guides the viewer through how to find, identify and use the information on the manufacturer d...Saturday, January 11, 2020. The first two numbers in the serial number of a Goodman furnace are the year of manufacture. So the serial number above indicates the unit is from 2010. To determine other key specs of your HVAC system, see one of these other blog posts: • How do I determine the age of my air conditioner?York Serial Number is important to identify the date of production or age of YORK® air conditioner and furnace. The serial number (and model number) also needed when you want to check the warranty status.York serial number has sorted into two different serial numbers, the old serial number used from 1971 through 2004 and new …How To Look At A House. How do I tell the age of a Grandaire air conditioner or furnace from the serial number? The fourth and fifth digits of the serial number are the year of manufacture. The data plate shown below, with the serial number GS3001002827, indicates that the unit was manufactured in 2000. To find out the age of another brand of ...Brand info that may help determine an age or era. Select one of the drop-down lists below. that corresponds to the 1st letter. of your HVAC brand name. Then make your selection from the Brand Names list. HVAC - A. HVAC - B. HVAC - C. HVAC - D.Our certified experts will inspect your unit and strategize the right furnace maintenance or replacement solution fit for your home heating needs. Call us at (770) 343-7565 [A8], or request service online to get started. Identifying your furnace's age can help you determine whether your unit is due for a replacement.Mar 29, 2016 · The date of production/manufacture or age of Dettson® HVAC equipment can be determined from the serial number located on the data plate. Parent Company: International Combort Products (ICP) . , part of UTC Building & Industrial Systems, a subsidiary company of United Technologies Corp. How to determine the date of production/manufacture or age of ICP® brand HVAC Systems. The industry average service design life for most forced air furnaces is 15-20 years, and the industry average service design life for most air conditioning condensing units is 10-15 years. ... Week of manufacture can be determined by using the 4 th & 5 th ...Try these tips first: Remove the metal door on the exterior of your furnace. You'll usually find this along the bottom part attached to the front of the unit. Inspect the interior of the metal door - you might see a a label or tag with the furnace's serial number. If you're lucky, it could also show the actual date of manufacturer.The date of production/manufacture or age of Inter-City® HVAC equipment can be determined from the serial number located on the data plate. Parent Company: International Comfort Products, LLC, a division of UTC. Example serial number styles/formats found: Style 1: L920671787. Style 2: 9414B39332. Back to Brand Listing.Goodman Date Codes. The 1st and 2nd digits of the serial number are the year. The 3rd and 4th digits of the serial number are the month. Goodman: Model No.: CKJ60-1, SN: 0107415182, was manufactured in 2001, July. Goodman: Model No.: GSC130481AA, SN: 0606111539 was manufactured in 2006, June.Saturday, June 23, 2018. The fourth and fifth characters in the serial number are the year of manufacture for a Nordyne system. So the serial number shown below on the data plate of a Nordyne package heat pump indicates that it was manufactured in 2015. For the age of another brand or manufacturer, go to our blog post How do I determine the age ...A quick method is to conduct an internet search. Enter “find manufacturing date” and the brand or manufacturer of your furnace. This search will lead you to a website that contains serial number data. The serial number of a furnace is a code. The first four numbers usually signify the week and year of construction.Usually, air conditioners nowadays have tags on them in the form of stickers or iron plates set on the side wall of the condenser. Here is a little trick to finding the serial number of your AC unit. How to Decode The Serial Number ( Age of your AC unit ) The Goodman serial number usually contains 10 digits. The first 4 letters show the month ...Step 4. Press and hold the red "Reset" button in the center of the rollout limit switch component. Hold the button for one to two seconds before releasing it. Founded in 1982, Goodman Manufacturing is an American company that produces heating and air conditioning equipment for residential and commercial customers.The first two numbers in the serial number of an Amana furnace are the year of manufacture. So the serial number below indicates the unit is from 2010. Also see Who makes Amana air conditioners, ... Field Guide for Home Inspectors, a quick reference for finding the age of 154 brands of HVAC systems, water heaters, ...CL35-1EC I am assuming 3 ton r22. Serial is 9009? Some serial numbers can be interpreted by weeks and years. So a number reading 1193CA4567 would be dated as the eleventh week of 1993. According to Inspectapedia website, in the article, 'How to Determine Furnace Age', serial numbers from furnaces made after the year 2000 are easier to decipher.The date of production/manufacture or age of First Co. brand HVAC equipment can be determined from the serial number located on the rating data plate. Note: The serial number may be broken up into 2 separate lines on the data plate with the first 3 characters positioned above the remaining production code numbers directly below.How to determine the date of production/manufacture or age of WaterFurnace® brand HVAC Systems. The industry average service design life for most forced air furnaces is 15-20 years, and the industry average service design life for most air conditioning condensing units is 10-15 years. The average service design life of boilers can vary from as ...Nordyne furnace nordyne parts list intertherm parts goodman furnace What is age of my Nordyne Air Handler serial number MU0787-00331 – Air Conditioners. Location (your climate), Model and Serial Numbers, Pictures if you have them, Any At night about 66. furnace brand andFor instance, if the serial number is 1004541123, it indicates that the unit was produced in April of 2010 (04 2010). By decoding the serial number, you can easily determine how old your Goodman air conditioner is. How to tell goodman age by serial number? To determine the age of a Goodman unit by its serial number, simply examine the first 4 ...The first two numbers of the serial number, after a single letter, are the year of manufacture of the unit for an International Comfort heat pump. ... Field Guide for Home Inspectors, a quick reference for finding the age of 154 brands of HVAC systems, water heaters, and electrical panels, plus 210 code standards for site-built and manufactured ...How to determine the date of production/manufacture or age of ICP® HVAC Systems. ... Example serial number styles/formats found: Style 1: G051650885; Back to Brand Listing. Style 1: G 0516 50885. Description: Ten (10) character Serial number begins with one (1) letter digit followed by nine (9) numerical digits.ICP Commercial (ICP)® HVAC age. How to determine the date of production/manufacture or age of ICP® brand HVAC Systems. The industry average service design life for most forced air furnaces is 15-20 years, and the industry average service design life for most air conditioning condensing units is 10-15 years. The average service design life of ...Locate the serial number. One of the easiest ways to determine furnace age is by serial number. Most furnaces should have a sticker listing the serial number and manufacturer either on the exterior or inside the removable door on the front of the unit. When you find it, write down the serial number and search the manufacturer’s site or …The first two numbers in the serial number of an Amana furnace are the year of manufacture. So the serial number below indicates the unit is from 2010. Also see Who makes Amana air conditioners, heat pump, and furnaces? To determine other key specs of your HVAC system, go to one of these other blog posts:How Old Is My Furnace. In order to calculate the age of your furnace, all we need is your Furnace’s serial number. Once you’ve located your Furnace’s serial number simply enter it in, click the “Check Serial Number”, and our calculator will let you know just how old your Rheem furnace really is. Enter your Serial Number below. Check ...The first digit is the year of production (with "3" representing 1973). The next digit reveals the calendar quarter, ranging from "01" for the 1st quarter to "04" for the 4th quarter. The final four digits are a unique sequence number. So, a serial number like 312345 means the unit was made in the first quarter of 1973.Style #6: 9 Characters - All Numbers. Style # 6 can be found on older Rheem water heaters and HVAC units made in the 1970's and earlier. Most of these units are likely out of service now. The date is coded in the last 4 characters of the serial number. Example Serial #: 16825 2873.Goodman will also assist consumers in gathering information on their units, including the drain pan serial number, the furnace model number and brand name, and the model number for the outdoor system.The article is a guide on Goodman furnace troubleshooting. it includes helpful information on the furnace not turning on, not heating and more. ... Cool technology to make finding and buying parts a breeze, including Serial Number Lookup, PartSPIN® and Smart Manuals, found on partstown.com and our industry-leading mobile app ...Our certified experts will inspect your unit and strategize the right furnace maintenance or replacement solution fit for your home heating needs. Call us at (770) 343-7565 [A8], or request service online to get started. Identifying your furnace’s age can help you determine whether your unit is due for a replacement.Example serial number styles/formats found: → Style 1: 16 12 31231M Legend: Year is RED; Month is GREEN; Week is BLUE. Style 1: 16 12 31231M. ... 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 …How to determine the date of production/manufacture or age of Evcon® HVAC Systems. The date of production/manufacture or age of Evcon® HVAC equipment can be determined from the serial number located on the data plate. Parent Company: York.How do you read Goodman serial number? The Goodman serial number is a ten digit code that helps us identify the age of Goodman air conditioner. The date of manufacture is coded in the 1st four digits of the serial number. These four digits code represent the year and the month of manufacture. Serial Number Lookup & Examples #1305754230The characters are all numbers. The first two digits indicate the year the furnace was made. For instance, if the first 2 numbers are 02, the year is 2002, 05 is 2005, 10 is 2010, 18 is 2018, etc. The 3 rd and 4 th numbers represent the month. For instance, 01 is January, 02 is February through 12, which is December. Sample Serial #: 0408 52398.The date of production/manufacture or age of Dettson® HVAC equipment can be determined from the serial number located on the data plate. Parent Company: International Combort Products (ICP) . , part of UTC Building & Industrial Systems, a subsidiary company of United Technologies Corp.How to Read York Serial Numbers. How to Read York Serial Numbers – Full Explanation. Style #1: 10 Characters – Letters and Numbers – October 2004 to Present. Serial Number Example: N0D6653823. Style #2: 10 Characters – 4 Letters + 6 Numbers – 1971 to 2001. Serial Number Example: YHFM321456.The serial numbers of the equipment you purchased. The general information, including name, address and phone number. The name and phone number of the dealer who installed your equipment. 1. Product Info. Serial number. Model. Add Serial. Install Date/Date of Closing. helpHow Old Is My Furnace. In order to calculate the age of your furnace, all we need is your Furnace’s serial number. Once you’ve located your Furnace’s serial number simply enter it in, click the “Check Serial Number”, and our calculator will let you know just how old your Rheem furnace really is. Enter your Serial Number below. Check ...The serial number should be on a data tag, typically on the side or near the electrical connections. It’s usually a metal plate or a sticker that’s playing it cool in the shade of the unit’s housing. For Furnace: Look for the service tag on the furnace’s exterior casing. It’s usually around the burner compartment or near the ...McGarry and Madsen Inspection. 16822 SE 92nd Danna Avenue, The Villages, FL 32162. www.thevillagesbestinspector.com • Comments or questions to [email protected]. While we hope you find this series of articles about home inspection helpful, they should not be considered an alternative to an actual home inspection by a local inspector.The serial numbers of the equipment you purchased. The general information, including name, address and phone number. The name and phone number of the dealer who installed your equipment. 1. Product Info. Serial number. Model. Add Serial. Install Date/Date of Closing. helpGet genuine Goodman factory OEM Gas Furnace for your Goodman unit. All Goodman Gas Furnace parts are brand new in the original factory packaging and are guaranteed to fit and function properly. ... Number of Products to Show View. List; Grid; 1 2; Goodman B2959000S Inducer Motor $240.95 / ea. In Stock . $240.95 / ea. Goodman B4022700 3 inch In ...© 2011 Goodman Manufacturing Company, LP. All rights reserved. ... Warranty Lookup Home Backsamsung s21 case with card holder; 6011 welding rod settings. airpod pro case with clip supplements to prevent tanningHVAC Brand Index; Water Heater Brand Index; Small Appliances Index; ... The date of production/manufacture or age of U.S. CRAFTMASTER® Water Heater(s) can be determined from the serial number. Serial number styles/formats found are: Style 1: 0020118002. Style 1: 00 20 118002.If you need help determining the age of your furnace, or if you need to replace your furnace, contact Precision Heating & Air. We’re the experts you can trust when it comes to all things heating and air. We are easily contacted via phone at (770) 758-4552 or through our convenient online form.How old is my Goodman furnace by serial number? If you have the serial number for your Goodman furnace, you can use it to determine the age of your unit. The first four digits of the serial number represent the year and month that the furnace was manufactured. So, if your serial number is 1234-ABCD, then your furnace was made in December of 2004.Step 3: Look Up the Serial Number. Determine the age from the serial number if possible. Some serial numbers can be interpreted by weeks and years. So a number reading 1193CA4567 would be dated as the 11th week of 1993. Serial numbers from furnaces made after the year 2000 are often easier to decipher. For example, the serial number might have ...To determine the age of a Goodman AC unit, locate the unit’s serial number, usually found on the data plate or rating plate. Decode the serial number; the first four digits represent the year and month of manufacture. The first two digits are the year, and the third and fourth digits are the month. For instance, if the serial number starts ...This furnace is not eligible for the SCAQMD Clean Air Furnace Rebate Program: www.CleanAirFurnaceRebate.com. At Goodman, we believe in American dependability. Units are designed, engineered and assembled in the U.S.A. Check out the high-efficiency GM9S96 Gas Furnace with up to 96% AFUE Performace by Goodman - HVAC products designed, engineered ...For instance, if the serial number is 1004541123, it indicates that the unit was produced in April of 2010 (04 2010). By decoding the serial number, you can easily determine how old your Goodman air conditioner is. How to tell goodman age by serial number? To determine the age of a Goodman unit by its serial number, simply …How to locate your furnace model and serial number on a furnace for service parts. Skip to main content. $5.00 off shipping w/ code SHIP4LESS. Int customers responsible for duties + taxes. Free shipping on store pickup orders. Menu. Talk to a HVAC Parts Pro! USA: 866-215-3831 CAD: 913-825-6891. Search by part # Search Keyword:Serial Number Style 2: *C05******* (March, 2005) In this style of serial number, which was used prior to 2008, the second digit is a letter that represents the month of the year the heater was built. The letters go in order with the months chronologically from A to N skipping I. So, January is A, February is B, March is C, all the way to ...Mar 11, 2024 · Style # 3 Amana serial numbers are eight characters – all numbers – with a “-” after the first and second numbers. Example: 98- 90558. Year: In style # 3, the first and second digits together indicate the year the unit was made, so 98 means it was made in 1998. Month: N/A This style of serial number does not give you the month it was ... You can usually use the serial number to calculate the age of your furnace if you know it. How? A quick method is to conduct an internet search. Enter “find manufacturing date” and the brand or manufacturer of your furnace. ... Goodman Furnace . 96-45678 (96 represents the year = 1996) 0607456789 (06 represents the year and 07 is …How to determine the date of production/manufacture or age of Coleman® brand HVAC Systems. The industry average service design life for most forced air furnaces is 15-20 years, and the industry average service design life for most air conditioning condensing units is 10-15 years. The average service design life of boilers can vary from …Style # 3 Amana serial numbers are eight characters – all numbers – with a “-” after the first and second numbers. Example: 98- 90558. Year: In style # 3, the first and second digits together indicate the year the unit was made, so 98 means it was made in 1998. Month: N/A This style of serial number does not give you the month it was ...A Goodman furnace includes highly dependable units, which ensure optimal heat for your property year-round. Whether you are looking for a new or a replacement furnace, we have you covered. From homes to businesses, Goodman is a seasoned and reputable brand that continues to receive stellar industry ratings and reviews.Goodman Air Handler Age. The same rules apply on Goodman Air Handlers as AC's and Heat Pumps. The first two digits is the year of manufacture. Goodman Air Handler. The first two digits of this serial number are 14, meaning the year of manufacture is 2014. Next, the second set of two digits is 12, meaning the month of manufacture is December ...This "How to Locate Your Furnace Model and Serial Number" video guides the viewer through how to find, identify and use the information on the manufacturer d...A Goodman furnace includes highly dependable units, which ensure optimal heat for your property year-round. Whether you are looking for a new or a replacement furnace, we have you covered. From homes to businesses, Goodman is a seasoned and reputable brand that continues to receive stellar industry ratings and reviews.Rheem® HVAC Age How to determine the date of production/manufacture or age of Rheem® HVAC Systems. The date of production/manufacture or age of Rheem® HVAC equipment can be determined from the serial number located on the data plate. Parent Company: Paloma. Example serial number styles/formats found: Style 1: W 29 …NOTE: Furnace systems that were repaired with a new evaporator coil drain pan between January 2019 and November 2021, with the serial number range listed above, are also included in this recall. Whether a non-condensing furnace system falls within the scope of the expanded recall depends on the location of the burners, which, if unknown, can be verified through DCT's model verification tool ...Aug 31, 2023 · ADP® HVAC age. How to determine the date of production/manufacture or age of ADP® brand HVAC Systems. The industry average service design life for most forced air furnaces is 15-20 years, and the industry average service design life for most air conditioning condensing units is 10-15 years. The average service design life of boilers can vary ... The Serial Numbers shown are utilized with all Paloma Brand systems. Style 1: 1204D01234; Style 2: OR177 M2807 00097; Style 3: W291013412 ... HOA’s, etc.., in determining the date of manufacture …Serial number 0103 = 2001, March. It is now 2011 so your unit is just over 10 years old or about half its life has been used. Nordyne furnace nordyne parts list intertherm parts goodman furnace What is age of my Nordyne Air Handler serial number MU0787-00331 - Air Conditioners.Split systems are versatile and can be configured for both heating and cooling, using either a furnace or a heat pump. Packaged Systems. ... Manufacturer’s Date Code or Serial Number. The age of an HVAC system is often encoded in the manufacturer’s date code or serial number. The format and location of the date code can vary among ...Style # 3 Amana serial numbers are eight characters – all numbers – with a “-” after the first and second numbers. Example: 98- 90558. Year: In style # 3, the first and second digits together indicate the year the unit was made, so 98 means it was made in 1998. Month: N/A This style of serial number does not give you the month it was ...Warranty Lookup. * Serial#. * Model. * Last Name. Zip Code. * Install Type. Residential Commercial Multi-Family. * Homeowner last name must be entered and verified to …Goodman Thermostat Installation and Commissioning. Goodman GTST thermostat Homeowner App Settings for Unitary. Goodman GTST thermostat Local Thermostat Settings for Unitary. The Goodman literature library has consumer brochures and technical specifications for various Goodman HVAC models and product lines.The first two numbers in the serial number of an Amana furnace are the year of manufacture. So the serial number below indicates the unit is from 2010. Also see Who makes Amana air conditioners, heat pump, and furnaces? To determine other key specs of your HVAC system, go to one of these other blog posts:The duration of warranty coverage in Texas and Florida differs in some cases. At Goodman, we believe in American dependability. Units are designed, engineered and assembled in the U.S.A. Learn more about Goodman brand energy-efficient ARUE Series Air Handler - HVAC designed, engineered and assembled in the USA!Goodman Serial Number Lookup Age. Goodman serial number lookup age is one of the best ways to determine how old an appliance is. The first two digits of a Goodman serial number indicate the year it was manufactured, with higher numbers indicating newer models. For example, if your Goodman unit has a serial number that begins with “17,” then ...Enter the 7-digit CP/Serial Number of the boiler to obtain the manufacturing date and any associated information on the product. If the CP# is only 6 digits, enter a leading zero, e.g. 0137718. This look-up will not give manufacturing information for any other Weil-McLain product but boilers.For instance, if the serial number is 1004541123, it indicates that the unit was produced in April of 2010 (04 2010). By decoding the serial number, you can easily determine how old your Goodman air conditioner is. How to tell goodman age by serial number? To determine the age of a Goodman unit by its serial number, simply examine the first 4 ...© 2011 Goodman Manufacturing Company, LP. All rights reserved. ... Info Finder Home BackGoodman ac age typically lasts 10 -15 years but there are instances when they can last much longer. Like most things, usage, maintenance, and installation type will determine how long the unit last. You can determine the age by locating the serial number that is on the data plate. Every Goodman air conditioner has a data plate on it that ...

SEER stands for Seasonal Energy Efficiency Ratio, and it measures the annual energy consumption and efficiency of the unit's cooling ability in typical day-to-day use. The higher the SEER value, the less energy the unit will use. Many older residential air conditioning systems in the U.S. may have a SEER number of 10 or less.. Interstate 80 toll calculator

goodman furnace serial number age

1st Classification: Goodman Single Stage Furnaces: These furnaces operate at a single heating output level, typically full blast.They are cost-effective but may be less energy-efficient compared to other types. Goodman Two Stage Furnaces: These furnaces have two heating stages, allowing them to adjust heat output based on the demand.This results in improved energy efficiency and better comfort ...The first digit is the year of production (with "3" representing 1973). The next digit reveals the calendar quarter, ranging from "01" for the 1st quarter to "04" for the 4th quarter. The final four digits are a unique sequence number. So, a serial number like 312345 means the unit was made in the first quarter of 1973.Style 2 – 9 Characters: 1980s. This serial number has nine numbers and does not include any letters. This style was used primarily in the 1980s. It’s pretty simple. And if you have a Payne furnace that is still running from this era – well, that’s pretty impressive! Sample Serial #: 8705 06152.At Goodman, we believe in American dependability. Units are designed, engineered and assembled in the U.S.A. Find a Dealer. Product Reviews. Technical Specifications. Share. Learn more about the refreshingly affordable Goodman GSZ14 Heat Pump with up to 15 SEER / 9.0 HSPF efficiency. The model and serial number can be found on the rating plate of your air conditioner or heat pump. This is generally found slightly above the refrigerant valves on the back side of the unit. Additionally, many local Goodman brand dealers will affix the “traveler label” from the shipping box to the paperwork provided to a homeowner post ... The date of production/manufacture or age of Daikin brand HVAC equipment can be determined from the serial number located on the rating data plate. Example serial number styles/formats found: ... Daikin completes 4.2 million square foot, state-of-the-art facility and consolidates Goodman's HVAC manufacturing, logistics, and customer support ...Select the brand from the drop down menu. 2. Next select the model number from Model drop down box. 3. Move through the remaining menus. 4. Once all menus have been satisfied push the SUBMIT button. 5. To reset the search for a new search click the SEARCH button.You can find your Goodman heat pump, AC, or furnace model number on the data tag located on your system's rating plate. Note that the Goodman model number is different from the Goodman serial number. The serial number is a 10-digit code that contains the manufacturing date and model. With the serial number, you can also get to know the age of ...Let's break down how to read a Nordyne serial number: F38 91 4228. The Nordyne furnace was manufactured in 1991. The production year is coded in the 4th & 5th digits of the serial number. FG60 00 907896. The Nordyne furnace was manufactured in 2000. The production year is coded in the 5th & 6th digits of the serial number.Start with your model number. Need help finding your model number? or. Let Us Diagnose The Problem. Select "Common Problems" below and we'll help you discover the cause of your problem. ... Shop by Popular Goodman Furnace Models. GDT045-3B GDT070-3B GDT090-4B GDT115-5B GMH950703BXAC GMNT040-3B.In many cases, one can determine the date of manufacture of an air conditioning unit by means of the serial number. However, different manufacturers encode the dates onto the seria....

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