Tempstar ac age

TempMaster® commercial packaged units offer simplified installation and energy-efficient operation in a 3-150 ton capacity range. Available in A/C and packaged heat pump models, our rooftop models reach efficiency levels as high as 17.5 SEER, backed by the quality you expect from TempMaster®.

Installation Cost: $1850-$4700. Features of M4AC4 Air Conditioner. The models in this range are between 1.5 and 5 ton and are suitable for use in different spaces depending on size. Users love the durability of the units since the galvanized steel cabinets are rust-resistant and can withstand harsh climatic conditions.The furnace is more than 15 years old, and the heat pump or AC is more than 10 years old Repair or ReplaceContact installing dealer for labor charge details. *To the original owner, a 10-year parts limited warranty upon timely registration of new equipment. Warranty period is 5 years if not registered within 90 days. Jurisdictions wherein warranty benefits cannot be conditioned on registration will automatically receive a 10-year parts limited ...Aug 29, 2023 · Goodman® HVAC age. How to determine the date of production/manufacture or age of Goodman® brand HVAC Systems. The industry average service design life for most forced air furnaces is 15-20 years, and the industry average service design life for most air conditioning condensing units is 10-15 years. The average service design life of boilers ... Can you tell me the age of a Tempstar air conditioner in a ... TempSTAR ac TCA46oAKC$ high speed does't work on the condensor . Low speed work do you thank that I need a circuit board ...Tempstar® How to determine the date of production/manufacture or age of Tempstar® HVAC Systems. The date of production/manufacture or age of Tempstar® HVAC equipment can be determined from the serial number located on the data plate.Our dual fuel packaged heating and cooling product allows you to switch between electric and gas heating for additional energy savings and delivers quiet, year-round comfort that you control. Cooling Efficiency 13.4 SEER2 / 11 EER2. Heating Efficiency 6.7 HSPF2 / 81% AFUE. Sound level As low as 70 decibels.

How can I tell the age of an International Comfort Products (ICP) air conditioner or furnace from the serial number? Saturday, June 23, 2018 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.TEMPSTAR® Air Conditioners and Heat Pumps. ICP’s most quiet, efficient cooling series for the best home comfort levels. Superior summer dehumidification for more comfort in warm weather. Two-stage operation and SEER ratings up to 19 for energy-saving, lasting performance.Usage matters perhaps most of all. “The more often you use the system, the more wear-and-tear it withstands,” Kenyon says, noting that systems can endure for decades in a temperate region like ...Aug 29, 2023 · AirTemp® HVAC age. How to determine the date of production/manufacture or age of AirTemp® 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 ... Aug 30, 2023 · 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 ... A Tempstar AC wiring diagram is an electrical schematic that shows how the components of a Tempstar air conditioning system are connected. The diagrams include the wire colors, component locations, and the different components’ electrical connections. The diagrams also often include details about the voltage requirements of each component, as ...HVAC Brands Table of Contents. PREMIER Sponsor of. The Building Intelligence Center! Hints & Tips. Tips to estimate the age without a serial number. Brand Histories. Brand info that may help determine an age or era. Select one of the drop-down lists below. that corresponds to the 1st letter.I'm considering replacing a 30 year old split AC/heat system in a 1200 sq. ft rental townhome with a Tempstar 75,00 BTU N8MPN heater and 13 Seer 3 ton N4A compressor with matching evaporator. Is a) th … read more

The Tempstar Difference. When you choose Tempstar ® heating and cooling equipment, you’re choosing enhanced dependability and innovation in home comfort. We are proud to give you the latest in engineering and technology. Our products are designed to deliver the best in quality, energy efficiency and reliability, and each is 100% run tested.Below you can search for parts by model number, or browse through our selection of ICP parts. If you have any questions, or are unsure of what part you need, you can reach out to us at 734-326-3900. All of our parts are brand new, genuine parts directly from the factory. We stock thousands of parts and have technicians who can help you find the ...The date of production/manufacture or age of Day & Night® HVAC equipment can be determined from the serial number located on the data plate. Parent Company: International Combort Products (ICP). part …AirTemp® HVAC age. How to determine the date of production/manufacture or age of AirTemp® 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 ...Ar Condicionado Split Hi Wall Springer Midea Tempstar Inverter 12.000 Btus Quente e Frio 220v. Produto Esgotado. Conheça os diversos modelos de ar-condicionado e escolha o produto ideal para o ambiente desejado. Confira e compre aqui, na Clima Rio!When it comes to keeping your home comfortable, having a reliable air conditioning system is essential. That’s why many homeowners opt for Goodman AC units, which are known for their quality and durability.

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Oct 20, 2018 · AIR CONDITIONER OR FURNACE AGE AND SIZE. Saturday, October 20, 2018. Here’s links to a collection of our blog posts about determining AIR CONDITIONER OR FURNACE AGE: • How do I determine the age of my air conditioner? • How do I determine the age of my air conditioner if the serial number is missing or not legible? Tempstar Nxa436gkc Performance Series 3 Ton 14 Seer R410a Air Conditioner With Coil Guard Grille 208 230 1 60 Gemaire Distributors. Do You Know Anything About The Wiring On A Tempstar Phd4 Heat Pump 10 Years Old Connected To Thermostat Are. Heat Pump Thermostat Wiring Diagram. Tempstar Hvac Age Manuals Parts Lists Wiring Diagrams Pdf S Contact InfoNear the top of the nameplate you should see the manufacturer’s date as a month and year. (Sometimes the manufacturer’s date is abbreviated as MFR DATE.) If you find this, congratulations: you now know the “birth date” of your AC. Easy! But the manufacturer’s date may not be on the nameplate. In this case, take a digital snapshot of ...Bryant Air Conditioner Data Tag Age Decoder. After 1979, the week of production is encoded in digits 1 & 2 of the serial number, and the year of production is encoded in digits 3 or 3&4 of the serial number. Eg. 5214AX31929 decodes as week 53 of 2014. WWYAX12345 decodes as follows.

Aug 23, 2023 · This year, for the first time, our survey includes reliability and satisfaction data on two brands of ductless mini-split ACs, in addition to 23 brands of conventional central air systems. In all ... For those looking to become a bus driver, passing the class exams is an important part of the process. Bus driver class exams cover a variety of topics, from driving laws and regulations to safety procedures. Here are some tips for acing yo...The date of production/manufacture or age of Day & Night® HVAC equipment can be determined from the serial number located on the data plate. Parent Company: International Combort Products (ICP). part …Carrier offers premium products with a high SEER rating and low installation charges. Whereas Rheem offers budget-friendly products with an average SEER rating and cheap/easy-to-get components. The price range of HVAC products from both brands is as follows: Rheem: $3,390 to $6,690. Carrier: $3,000 to $15,000.As leaders in residential HVAC, Carrier home comfort solutions are trusted to bring energy-efficient, quiet, consistent climate control to millions of people. Founded by the inventor of modern air conditioning, Carrier is a world leader in high-technology heating, air-conditioning and refrigeration solutions.The Tempstar TVH8 heat pump is the brand’s variable-capacity model with a compressor that modulates between 40% and 100% of capacity. It delivers quiet, precise and efficient heating and cooling; Other Deluxe Series models are Tempstar two-stage heat pumps that run on low most of the time for quieter, longer cycles.AIR CONDITIONER OR FURNACE AGE AND SIZE. Saturday, October 20, 2018. Here’s links to a collection of our blog posts about determining AIR CONDITIONER OR FURNACE AGE: • How do I determine the age of my air conditioner? • How do I determine the age of my air conditioner if the serial number is missing or not legible?Tempstar HVAC Age Decoder Tempstar HVAC equipment manufacturing date is usually encoded in the serial number YYWW567890 or in the serial number format XYYWW56790 (ignore the first alphabetic character, pick up the first four numeric digits, and decode them as YYWW as we illustrate here. In this episode of Repair and Replace, Vance shows how to replace the pressure switch, which is part of troubleshooting a furnace that won't ignite. The draf...Our comprehensive Tempstar Air Conditioner Troubleshooting guide will explain common issues, provide tips, and show you how to read your model's error …Tell us about your home and preferences, and get a customized recommendation

How to determine the date of production/manufacture or age of Trane ® 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 ...

Comfortmaker AC Prices and Tempstar AC Prices. Each model is produced in a range from 1.5 ton (18,000 BTU) or 2.0 ton (24,000 BTU) to 5.0 ton (60,000 BTU) ACs. Prices in the System column reflect the capacity/size range for each model. The System Installed cost includes the AC, labor and all supplies such as a line set and condenser pad.Chrysler Air-Temp® Clare® Clearfire® Cleaver Brooks® ClimaCool® Climate Control® ClimateCraft® ClimateMaster® ClimateWorx® ColdFlow® Cold Point® Coleman® Columbia® COMBAT® Comfort-Aire® Comfortmaker® Comfortwave® Comitale/CNI® Command-Aire® Commercial-Pak® Compu-Aire® Concord® Conquest® COOLIT® …685 downloads. 1.0. james. 03-08-2018 14:29. 14 SEER Single Package Air Conditioner and Gas Furnace System with R-410A Refrigerant Single Phase 2-5 Nominal Tons and Three Phase 3-5 Nominal tons PGD4, PGS4 Series E and WPG4 Series B Owners Manual (3) - 14 SEER Single Package Air Conditioner and Gas Furnace System with R-410A …To locate your registration, please enter last name and registration confirmation number or serial numberWhether you’re good at taking tests or not, they’re a part of the academic life at almost every level, from elementary school through graduate school. Fortunately, there are some things you can do to improve your test-taking abilities and a...This year, for the first time, our survey includes reliability and satisfaction data on two brands of ductless mini-split ACs, in addition to 23 brands of conventional central air systems. In all ...I HAVE A TEMPSTAR A/C UNIT MODEL NUMBER NAC036AKC3.I NEED TO KNOW THE AGE OF THIS UNIT,THE COILS HAVE GONE BAD AND IF - Answered by a verified HVAC Technician ... Heating & Air Conditioning Contractor. 6 years college. ... One of our our split air Tempstar 2000 Smart Comfort is not cooling. It was put in close …Our dual fuel packaged heating and cooling product allows you to switch between electric and gas heating for additional energy savings and delivers quiet, year-round comfort that you control. Cooling Efficiency 13.4 SEER2 / 11 EER2. Heating Efficiency 6.7 HSPF2 / 81% AFUE. Sound level As low as 70 decibels.Aug 21, 2023 · How to determine the date of production/manufacture or age of Carrier ® 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 ... If the serial number starts with a letter, then that is the encoded year. A serial number that starts with a letter is a clear sign that your trane furnace age is at least nineteen years old. Here is the encoded year: W = 83, X = 84, Y = 85, S = 86, B = 87, C = 88, D = 89, E = 90, F = 91, G = 92, H = 93, J = 94, K = 95, L = 96, M = 97, N = 98 ...

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Tell us about your home and preferences, and get a customized recommendationThis year, for the first time, our survey includes reliability and satisfaction data on two brands of ductless mini-split ACs, in addition to 23 brands of conventional central air systems. In all ...Installation Cost: $1850-$4700. Features of M4AC4 Air Conditioner. The models in this range are between 1.5 and 5 ton and are suitable for use in different spaces depending on size. Users love the durability of the units since the galvanized steel cabinets are rust-resistant and can withstand harsh climatic conditions.This year, for the first time, our survey includes reliability and satisfaction data on two brands of ductless mini-split ACs, in addition to 23 brands of conventional central air systems. In all ...Carrier Global. Website. www.icpusa.com. International Comfort Products Corporation ( ICP) is a company that designs, manufactures and markets central air conditioning ( HVAC) systems and gas and oil furnaces for use in homes and commercial buildings. It is a unit of Carrier Global and is headquartered in Lewisburg, Tennessee, United States .Robin Boyd, technical service advisor, U.S. Supply Co. in West Conshohocken, Pennsylvania, also believes a properly installed and sized heat pump/cooling system with minimal maintenance should last 15-20 years. In his opinion, gas furnaces should last even longer. “Gas furnaces that are properly sized and installed with …Aug 27, 2023 · How to determine the date of production/manufacture or age of Trane ® 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 ... How to determine the date of production/manufacture or age of Trane ® 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 ... ….

Mar 20, 2021 · General Price Range for Tempstar Air Conditioners. $2,800 and $5,500+ (with installation) With Tempstar, you can get a reliable air conditioner for a great price, especially with the low- and mid-tier models. You can also look into their premium models for something that will offer more features and better efficiency ratings. Sep 14, 2023 · How to determine the date of production/manufacture or age of Airquest® 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 ... The date of production/manufacture or age of Day & Night® HVAC equipment can be determined from the serial number located on the data plate. Parent Company: International Combort Products (ICP). part …Tempstar Air Conditioner Reviews | Consumer Ratings - Tempstar offers air conditioners with efficiency ratings from 13 SEER to 19 SEER.This ICP - Inter-City Products Corp. is a separate company from International Comfort Products company - that ICP company's information is given above on this page. Contact: Inter-City Products Corporation, Lavergne, TN USA 37086 or. Inter City Products Corporation, 650 Heil Quaker Avenue; Lewisburg, TN 37091 USA Tel: (931) 359-3511.Mar 20, 2021 · General Price Range for Tempstar Air Conditioners. $2,800 and $5,500+ (with installation) With Tempstar, you can get a reliable air conditioner for a great price, especially with the low- and mid-tier models. You can also look into their premium models for something that will offer more features and better efficiency ratings. Goodman® HVAC age. How to determine the date of production/manufacture or age of Goodman® 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 ...The Tempstar Difference. When you choose Tempstar ® heating and cooling equipment, you’re choosing enhanced dependability and innovation in home comfort. We are proud to give you the latest in engineering and technology. Our products are designed to deliver the best in quality, energy efficiency and reliability, and each is 100% run tested.Our dual fuel packaged heating and cooling product allows you to switch between electric and gas heating for additional energy savings and delivers quiet, year-round comfort that you control. Cooling Efficiency 13.4 SEER2 / 11 EER2. Heating Efficiency 6.7 HSPF2 / 81% AFUE. Sound level As low as 70 decibels.The Tempstar is a AHRI match, gives you 14 SEER ( number 9833296 ) 11.5 EER. Looks to be a bare bone unit, no outdoor coil protection, no pressure safety controls. What is the complete model number of the AS indoor and OD unit. Thanks for the reply! Both include 2 year labor 10 year parts warranty. Tempstar ac age, There should also be an even, two-digit number – which indicates the AC tonnage of the unit. This number is typically between 18 and 60. Divide this number by 12 (representing 12,000 BTU/hr, or one ton of cooling capacity) to get the overall tonnage of the unit. This chart may also be useful when converting the numbers: 18 = 1.5 tons. 24 = 2 ..., ICP PACKAGE AIR CONDITIONER PAJ4, WJA4 SERIES MANUAL [PDF] (2016) 14 SEER R--410A Single--Package Air Conditioner, Single Phase 2 to 5 Nominal Tons; ICP Tempstar Heil 9MPT / 9MPV A1 A2 CONDENSING GAS FURNACE INSTALLATION MANUAL [PDF] (2001) International Comfort Products Corporation (USA), Lewisburg, TN USA 37091, For instance, under the new SEER 2 requirements, residential central AC systems with a BTU less than 45,000 should have a SEER 2 rating of 14.3 (an equivalent of 15.0 SEER). Systems with a BTU higher than 45,000 should have a SEER2 rating of 13.8 (an equivalent of 14.5 SEER)., 685 downloads. 1.0. james. 03-08-2018 14:29. 14 SEER Single Package Air Conditioner and Gas Furnace System with R-410A Refrigerant Single Phase 2-5 Nominal Tons and Three Phase 3-5 Nominal tons PGD4, PGS4 Series E and WPG4 Series B Owners Manual (3) - 14 SEER Single Package Air Conditioner and Gas Furnace System with R-410A …, Installation Cost: $1850-$4700. Features of M4AC4 Air Conditioner. The models in this range are between 1.5 and 5 ton and are suitable for use in different spaces depending on size. Users love the durability of the units since the galvanized steel cabinets are rust-resistant and can withstand harsh climatic conditions., PROs. One of Tempstar Furnace's most appealing advantage is its ability to offer heating systems that are not heavy on costs. You may be able to get a heating and furnace system from other brands, but they might significantly increase your electricity bills. Another stand-out feature in any Tempstar Furnace is its communicating wall innovation ..., Carrier Serial Number Style 1 (HVAC Age By Week And Year) Style 1 serial numbers are comprised of 10 digits. To determine the age of Carrier AC or Furnace, only the first 4 are relevant. Here is an example of a Style 1 Carrier Serial Number: 3312A18212. The first two digits ’33’ tell you in which week of the year the unit was manufactured., The date of production/manufacture or age of ComfortMaker® 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., Tempstar's SmartComfort TXT+ costs around $2,800 and offers you an SEER rating of 19 to ensure your unit's efficiency. Designed with a two-stage compressor for smooth operation, this AC features a variable-speed fan motor for quiet operation. For a more affordable option, the Tempstar SmartComfort TX costs between $2,000 and $2,500., ComfortMaker® How to determine the date of production/manufacture or age of Comfortmaker® HVAC Systems. The date of production/manufacture or age of ComfortMaker® HVAC equipment can be determined from the serial number located on the data plate., Best: Deluxe Series (2 models, 17 & 19 SEER). Our goals are to assist you in selecting an AC that fits your efficiency and performance needs. We also aim to help in …, Hello, I am trying to determine the tonnage of my ICP/Temptar HVAC unit model # t2a330gka100. I see "30" in the model number but I am not sure if that refers to a 2.5 ton unit because I don't know the nomenclature that they use for their model numbers. The serial number is E060403145., The date of production/manufacture or age of ARCIAURE® HVAC equipment can be determined from the serial number located on the data plate. Parent Company: International Combort Products (ICP)., part …, Aug 29, 2023 · AirTemp® HVAC age. How to determine the date of production/manufacture or age of AirTemp® brand HVAC Systems. The industry average service design life for most forced air furnaces is 15-20 years, and the industry average service design life for most air conditioning condensing units is 10-15 years. The average service design life of boilers ... , Can you tell me the age of a Tempstar air conditioner in a ... TempSTAR ac TCA46oAKC$ high speed does't work on the condensor . Low speed work do you thank that I need a circuit board ..., How to determine the date of production/manufacture or age of Tappan® HVAC Systems. The date of production/manufacture or age of Tappan® HVAC equipment can be determined from the serial number located on the data plate. Sister or similar Brands Include: AirBloc | AMBIRAD | Benson | Broan | Frigidaire | Gibson | Intertherm | Kelvinator ..., Tempstar N4A5S24AKAWA - Standard N4A5S 2 Ton, 14.3 SEER2, Single Stage, Air Conditioner, 208-230/1/60, R410A, Apr 19, 2016 · NORDAIRNICHE®. How to determine the date of production/manufacture or age of NORDAIRNICHE® HVAC Systems. The date of production/manufacture or age of NORDAIRNICHE® HVAC equipment can be determined from the serial number located on the data plate. Parent Company: Nortek (formerly Nordyne Manufacturing) , To identify the tonnage of your RHEEM air conditioner or heat pump, you can read the model number. Look for those elusive two digits in the model number. The size is usually divided by 24, 36, 42, or 60. This number represents the nominal BTU of the system in thousands. The number to remember is 12,000 BTU’s or, more simply, 12., Sample Serial # – 3709E07806 Week: First 2 numbers represent the week from 01 – 52.The numbers here are 37, so the 37 th week, which is in September.. Year: The 3 rd and 4 th numbers indicate the year from 85 – 99 (1985 – 1999) and 0 – 22 (2000 – 2022) In this case, the numbers are 09, so the unit was made in 2009.. Manufacture …, Our comprehensive tempstar air conditioner repair guide will explain common issues, provide troubleshooting tips, and show you how to re. Call today for a free quote! ... Compressor and fan operation not allowed until …, Parts Town carries real OEM parts that have been specifically manufactured for your furnace or air conditioner, from replacement filters to igniters to evaporator coils and more. And if you can’t wait for your part, Parts Town also has same day shipping until 9 PM ET Monday-Friday on all in-stock Tempstar parts, supplies and accessories so ..., 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 …, Our dual fuel packaged heating and cooling product allows you to switch between electric and gas heating for additional energy savings and delivers quiet, year-round comfort that you control. Cooling Efficiency 13.4 SEER2 / 11 EER2. Heating Efficiency 6.7 HSPF2 / 81% AFUE. Sound level As low as 70 decibels., Contact installing dealer for labor charge details. *To the original owner, a 10-year parts limited warranty upon timely registration of new equipment. Warranty period is 5 years if not registered within 90 days. Jurisdictions wherein warranty benefits cannot be conditioned on registration will automatically receive a 10-year parts limited ..., Air conditioning units manufactured in1992 and later were required to have a minimum 10 SEER, and the minimum was reset again to 13 SEER in 2006. It was reset again at 14 SEER in 2015, and scheduled to go up to 15 2023. Today manufacturers offer higher SEER models for 20% or more above base model prices for minimum SEER unit, …, Tempstar Air Conditioner CONS. The most efficient unit, the 19 SEER TVA9, is significantly less efficient than top models from Lennox (XC25 – 26 SEER), Maytag (PSA4BI – 25.5 SEER) and Amana (AVXCO – 24.5 SEER). So, it isn’t the best choice in climates with extreme heat; There are 12 Tempstar air conditioner models., The Building Intelligence Center assists home inspectors, commercial building inspectors, contractors, service technicians, insurance providers, home owners, and property managers in decoding the age of mechanical appliances such as furnaces, boilers, air conditioners, heat pumps, packaged rooftop units (RTU's), packaged terminal air conditioners (PTAC's), and water heaters., The date of production/manufacture or age of ARCIAURE® HVAC equipment can be determined from the serial number located on the data plate. Parent Company: International Combort Products (ICP)., part …, The ace of clubs has two main meanings in metasymbology, one being positive and the other negative. For the positive aspect, the ace of clubs represents a search for knowledge. On the negative side, the ace of clubs represents an over abund..., If you are an HVAC Salesman, use this app to make sure you are given comparable equipment to what a competitor is offering. If you are a home inspector, use this app to get the age and specifications of installed equipment. The model number decoder and serial number decoder for all major brands. Get this application to save time and money for ... , Comfortmaker AC Prices and Tempstar AC Prices. Each model is produced in a range from 1.5 ton (18,000 BTU) or 2.0 ton (24,000 BTU) to 5.0 ton (60,000 BTU) ACs. Prices in the System column reflect the capacity/size range for each model. The System Installed cost includes the AC, labor and all supplies such as a line set and condenser pad., Your use of any such or similar incorporeal property is at your own risk. 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).