Look up trane model numbers

Ford cars come in all shapes and price ranges. See pictures and learn about the specs, features and history of Ford car models. Advertisement Ford models come in all shapes and pri...IntelliPak rooftop units set the bar for durability and value. With a portfolio of three distinct products and industry leading efficiencies, the Intellipak product is designed to serve a range of application and regulatory needs. IntelliPak 1 - 20-130 Tons. IntelliPak 2 - 90-150 Tons. IntelliPak 3 - 20-75 Tons.©2020 Trane RT-PRC060M-EN Introduction Packaged Rooftop Air Conditioners Through the years, Trane has designed and developed the most complete line of Packaged Rooftop products available in the market today. Trane customers demanded a product that provided exceptional reliability, was easy to install, and was competitively priced.Apr 12, 2015 ... This one covers the IFC error codes for most Trane furnaces. This video is part of the heating and cooling series of training videos made to ...Parent Company: TRANE Example serial number styles/formats found: → Style 1: 16 32 3 AP91G (2010 – Present) or 9 15 3 1S41F (2000 – 2009) → Style 2: 17 23 1 0127M (2010 – Present) Legend: Year is RED ; Month …The age of the equipment cannot be found in the serial number. Call the manufacturer with the serial number to determine the year of manufacture– 800 476 4328. Trane. Y=year of manufacturer X=letter 7=numbers The year of manufacture for Trane equipment is encoded in the serial number. The date of manufacture is often listed on …Will someone look up this model number and verify that it is a two ton? Trane Model RAUB-202-1A Serial PK-20066 Where can I find nomenclature information online? Reply . 08-27-2007, 07:13 PM #2. BaldLoonie. View Profile View Forum Posts Visit Homepage View Forum Threads Global Moderator ...Propeller fan unit heaters and centrifugal fan gas unit heaters are designed for use in space heating applications. The gas unit heates are typically used in areas with high ceilings, and are exposed in the space to be heated. Gas unit heaters offer low installed cost, and are able to heat large volume areas without requiring extensive duct systems. Duct furnaces …How to determine the date of production/manufacture or age of Mitsubishi® brand HVAC Systems. The industry average service design life for most forced air furnaces is 15-20 years, and the industry average …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. Beginning in 2010, the first two digits are the year. System Reference Guide CITY MULTI® Outdoor Unit Model Number Reference Guide Note: Branch circuit controller required. • NTX (Heat Pump) • NTY (Cooling Only) • NTXM (Multi-Zone Heat Pump) • TRUZ (Heat Pump) • TRUY (Cooling Only) • models: 3 and 4 MSM (Heat Pump) • MSH (Hyper-heat) • N = Standard (No Coating) Capacity: 3–5 tonsPrivacy Policy. For Product Registration Assistance Please Call {{phoneNumber}} or Email: [email protected] {{phoneNumber}} or Email: product Jul 20, 2018 · If the manufacture date is missing or not legible, there are three ways that the manufacture year may be encoded in the serial number. It may be the first two numbers: Or only the first number of the serial number: Or, if the serial number starts with a letter, here is how to translate it: T = 1981, U = 1982, W = 1983, X = 1984. Trane uses model numbers incorporate the BTU equivalent into their unit model numbers, or reference the tonnage. They have model numbers that tell everything from the size of the unit to whether the system has had …Bryant Air Conditioner Model Number Lookup. ... Conditioner lookup decode trane conditioners. Bryant number serial payne age year hvac chart building center digit below manufacture 2ndBryant singlepackaged air conditioner 564a user's information manual Bryant air conditioning system owner's information manual pdf downloadBryant 342 air ...Choose the Trane model below. If you do not see the correct model you're looking for then you may want to try and search for the Trane product using the search bar above. 012 GEH - Dehumidifier; 049E - Air Conditioner; 080 - Furnace; 100 - Furnace; 120 GEH - Dehumidifier; 120R9V - Furnace;Check out the Trane owner's guides for more information about your air conditioner, furnace, heat pump or other Trane HVAC product.Lookup tonnage Carrier model nomenclature chart 48tm Air conditioner carrier model number nomenclature Carrier model ac 25v 460v transformer voltage p541 item amazon ... Carrier model number lookupCarrier model nomenclature chart 48tm Trane hvac comfortmaker conditioner nomenclature furnace whirlpool decoder …Trane uses alpha codes in their serial numbers to determine the age of manufacture. This HVAC company started this in 1987 with the letter B and skipped a couple of letters during the years. The first letter of the Trane serial number nomenclature gives the year of manufacture and the next two numbers are the week .Trane was also announced as a 5-star Smart Thermostat Brand in the 2021 America’s Most Trusted Study.* In addition, Trane CleanEffects® was determined to be the most effective whole-house air filtration system by a Harvard-led independent research project on the air cleaning performance of multiple in-duct and portable devices. When it comes to selecting a furnace for your home, Trane is a name that stands out. Known for their reliability, efficiency, and innovative features, Trane furnaces are a popular ...Warranty Lookup. * Homeowner last name must be entered and verified to display complete limited warranty coverage. Want to access the warranty details on your Goodman HVAC system? Enter the product details and find the complete warranty information.How to read and decode Ducane serial numbers: There are 10 digits to Ducane serial numbers and there are two types of serial number. First type: 224678 0515 (Made up serial number) You will determine the month and the years from the last four digits of the serial number. 224678|05|15. 05 is the year HVACs unit was made.Trane is a well-known and respected brand that produces high-quality HVAC equipment. The model number of a Trane unit often contains information about the unit’s tonnage. Method 1: Look for the Tonnage in the Model Number. Trane model numbers are often clearly labeled with the tonnage of the unit.Whether you need to make a warranty claim or find replacement parts, there are plenty of reasons why you may need to find the model number for your GE motor. Here are several helpf...How to determine the date of production/manufacture or age of American Standard® 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 …Trane uses model numbers incorporate the BTU equivalent into their unit model numbers, or reference the tonnage. They have model numbers that tell everything from the size of the unit to whether the system has had …The age of the equipment cannot be found in the serial number. Call the manufacturer with the serial number to determine the year of manufacture– 800 476 4328. Trane. Y=year of manufacturer X=letter 7=numbers The year of manufacture for Trane equipment is encoded in the serial number. The date of manufacture is often listed on …Trane Home Customer Support can provide general warranty information based on the model of your thermostat, ... If you have any questions or need assistance, please contact Trane Home Customer Support via email at [email protected] or call 1-877-288-7707, Monday-Friday 9 AM – 8 PM ET, ...You Can Count on Trane® OEM Parts. From the engineer who designed the specifications for your compressor - to the professional working on the manufacturing line - to the Trane Supply associate assisting you at the counter, we offer you the complete support you need, from start to finish. They say there’s no replacement for the original.Check out the Trane owner's guides for more information about your air conditioner, furnace, heat pump or other Trane HVAC product. ... Models: EHUMD200ABM00B, EHUMD300ABA00B, EHUMD500APA00C. Download manual. Steam humidifiers. Humidifiers. ... Phone Number. Next. Step 1 of 2. Street Address. City.Privacy Policy. For Product Registration Assistance Please Call {{phoneNumber}} or Email: [email protected] {{phoneNumber}} or Email: product DMAIC Model - The DMAIC model is commonly used in the Six Sigma process. Learn the ins and outs of the DMAIC model and how it applies to business optimization. Advertisement Proce...2) Look for a sheet taped to the front of the air handler (indoor unit), where the HVAC contractor has listed the performance data for the system. 3) Some manufacturers encode the SEER rating in the beginning of the model number on the data plate of the condenser. For example, the “XC21” at the beginning of the model number of the Lennox ... Go outside to the condensing unit and look for a data plaque mounted to the side. Find the model number. Within this string of letters and numerals, you should find an even, two-digit number. The possibilities on residential units range from 18 to 60. Divide the number by 12 to get your AC units tonnage.All Mercedes vehicles made since 1959 have 12-digit chassis numbers. The first three numbers tell you the body style; the second three numbers indicate the vehicle model; the next ...Most new air conditioners contain a yellow sticker labeled “Energy Guide” where you can find the SEER rating. You can also find it near the top of the air conditioner’s manufacturer label by the model and serial number. Look at the first few digits for the model number. If it starts with 14AC, the air conditioner’s SEER rating is 14.Trane 4TXCC007DS3HCA Pdf User Manuals. View online or download Trane 4TXCC007DS3HCA Installer's Manual The encoded serial number on the rating or data plate will tell you the year and month the unit was made. Goodman uses 10 character serial numbers on all of their HVAC products. The 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 …Learn the difference between high touch and low touch customer service and how to implement these customer engagement models on your team. Trusted by business builders worldwide, t...Trane was also announced as a 5-star Smart Thermostat Brand in the 2021 America’s Most Trusted Study.* In addition, Trane CleanEffects® was determined to be the most effective whole-house air filtration system by a Harvard-led independent research project on the air cleaning performance of multiple in-duct and portable devices. We would like to show you a description here but the site won’t allow us. Trane Foundation EBC300 Pdf User Manuals. View online or download Trane Foundation EBC300 Installation, Operation And Maintenance Manual ... Model Number Description. 6. General Information. 7. Unit Inspection. 7. Exterior Inspection. 7. Damage. 7. Unit Storage. 7. ... Economizer Set-Up - Standard. 26. Cooling with an Economizer - Standard ...Dec 14, 2023 · In 2002, the first character of the serial number was 2; in 2003, 3, and so on. If your Trane serial number is a 9-digit combination of letters and numbers that starts with a number, then the first number is the year. This company again made changes in the year 2010. The first two digits of the trane serial number lookup age are the year. • Multi-Position UP/Down Flow, Horizontal Left /Right • ALL Aluminum Coil with Enhanced Patented Coil Fin • Electric Heaters with polarized plug connections (sold as accessory) • R-410A Thermal Expansion Valve • ECM Motor (3.5 – 5 Ton Models ) • Low Voltage Pigtail Connections • Draw Through Design • Horizontal Drain pan ...How can I determine the age of an American Standard furnace from the serial number? 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. Beginning in 2010, the first two digits are the year. Examples of each type are shown below.Sign into your LennoxPros.com account, click on AHRI Matchup, under Resources in the menu. Step 1. Customize your search by selecting the outdoor and indoor model number and coil type. Did you know…you can match a system including a furnace with a PSC motor (Lennox Merit Series), by selecting “AC and Coil only” in the “Indoor Type ...Decoding Trane model number has never been this easy, thanks to the creation of the HVAC Decoder App. The HVAC Decoder App does all this for you; just enter the model number and get the results. Example …Comprehensive Chiller-Heater Systems. Trane® Comprehensive Chiller-Heater systems, featuring electric heat pumps, provide cost-effective, energy-efficient, reliable cooling and heating, while reducing carbon emissions. We offer multiple options and variations, so that more buildings in more places can maintain year-round comfort while working ... Look for the last two numbers of the first numbers after a cluster of letters at the beginning of the model number. It will be a number divisible by 6 or 12, and represents the nominal BTU of the system in thousands. A ton of air conditioning equals 12,000 BTU, and 36 divided by 12 equals 3, so the data plate below indicates the system is 3 tons.Goodman Air Conditioner model number is 12 digit code. If you decode the model number, you can figure out how many tons your Goodman HVAC system is. The model number includes the nominal cooling capacity in three digits beginning with zero. This three-digit number is the unit’s capacity measured in British Thermal Units.Model Numbers: TSC072H - TSC120H THC048F - THC120F Model Numbers: THC036E - THC072E ... starting up, and servicing of heating, ventilating, and air-conditioning equipment can be hazardous and requires specific knowledge and training. ... Safety advisories appear throughout this manual as required. Your personal safety and the proper operation ofFor buildings with the highest performance requirements, Trane’s Horizon Dedicated Outdoor Air System (DOAS) helps improve indoor air quality (IAQ) to keep your building optimized and your people comfortable. It eliminates excess moisture, preventing discomfort and the health risks associated with mold and microbial growth.Keep in mind that each air filter has two sizes: an actual size and a nominal size. The actual size reflects the true measurements of an air filter when measured. This is often a very specific number such as 11.5 x 11.5 x .7, whereas the nominal size is rounded up to make the process of buying air filters simpler.Propeller fan unit heaters and centrifugal fan gas unit heaters are designed for use in space heating applications. The gas unit heates are typically used in areas with high ceilings, and are exposed in the space to be heated. Gas unit heaters offer low installed cost, and are able to heat large volume areas without requiring extensive duct systems. Duct furnaces …Carrier model nomenclature chart 48tmOld carrier model number search Lookup hvacCarrier serial number nomenclature. Check Details How to determine ac tonnage from model number carrier? identifying your unit's tonnage. Free carrier lookupCommercial carrier nomenclature model number Nomenclature trane …How to determine the date of production/manufacture or age of Mitsubishi® brand HVAC Systems. The industry average service design life for most forced air furnaces is 15-20 years, and the industry average …How can I tell the age of a Trane furnace from the serial number? Saturday, June 23, 2018. 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. Beginning in 2010, the first two digits are the year.Decoding Trane model number has never been this easy, thanks to the creation of the HVAC Decoder App. The HVAC Decoder App does all this for you; just enter the model number and get the results. Example …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 ... IntelliPak rooftop units set the bar for durability and value. With a portfolio of three distinct products and industry leading efficiencies, the Intellipak product is designed to serve a range of application and regulatory needs. IntelliPak 1 - 20-130 Tons. IntelliPak 2 - 90-150 Tons. IntelliPak 3 - 20-75 Tons.The encoded serial number on the rating or data plate will tell you the year and month the unit was made. Goodman uses 10 character serial numbers on all of their HVAC products. The 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 …Oct 27, 2020 ... Its going to be 90° and getting us off that roof is appreciated . You are truly a professional and I have been doing this for 39 years .When the spreadsheet containing the data opens in Excel, highlight all the data by clicking in the box in the upper left corner to the left of “A” and above 1. This will select all of the text. Next, click on Data, then under Data click on Filter and select AutoFilter. This will create a drop-down box at the top of each column. The updated testing procedure more accurately reflects real world conditions for HVAC systems by changing the static pressure used in the testing lab from 0.1” w.g to 0.5” w.g. by up to 5 times. New testing procedures change the minimum energy efficiency required for cooling and heating systems.For buildings with the highest performance requirements, Trane’s Horizon Dedicated Outdoor Air System (DOAS) helps improve indoor air quality (IAQ) to keep your building optimized and your people comfortable. It eliminates excess moisture, preventing discomfort and the health risks associated with mold and microbial growth.Sample Model Number Tags. Model numbers can be made up of numbers (1005400, for example) or a combination of letters and numbers (LAT1000AAE). The model number will most likely appear on either a paper sticker or a metal plate. Your appliance's model number tag may look similar to the sample model number tags shown here (model …TUC1B080A9421AE Parts & Furnace Model Repair Help. Find the right Trane Furnace Model TUC1B080A9421AE replacement parts for your repair. Filter results by part category, part title and lawn mower symptoms. You can also view TUC1B080A9421AE parts diagrams and manuals, watch related videos or review common problems that may help answer …The first digit of the serial number is the last digit of the year for Mitsubishi. So “6” could be “2006” or “2016,” and you would need to look at the condition of the unit, and/or the date of the ANSI code at the upper part of the data plate, to determine which one. Here’s a recent example from an air handler manufactured in 2007.• Multi-Position UP/Down Flow, Horizontal Left /Right • ALL Aluminum Coil with Enhanced Patented Coil Fin • Electric Heaters with polarized plug connections (sold as accessory) • R-410A Thermal Expansion Valve • ECM Motor (3.5 – 5 Ton Models ) • Low Voltage Pigtail Connections • Draw Through Design • Horizontal Drain pan ...The Department used manufacturer model numbers, among other furnace characteristics, to determine nominal airflow capacity. Manufacturers often code furnace specifications …Chevrolet car models come in all shapes and price ranges. See pictures and learn about the specs, features and history of Chevrolet car models. Advertisement Chevrolet has been a c...number. Thefourconfigurationsare: 1. Frontreturn-airwithbacksupply-air combination 2. Frontreturn-airwithtopsupply-air combination 3. Backreturn-airwithfrontsupply-air combination 4. Backreturn-airwithtopsupply-air combination q A O 3 *”Z00” 0;0” 0;0” 0 SUPPLY *”Z0;0” *”Z0;0” 0 SUPPLY 00” AccessPanels TheupperpanelsoftheGEV12 ... 2) Look for a sheet taped to the front of the air handler (indoor unit), where the HVAC contractor has listed the performance data for the system. 3) Some manufacturers encode the SEER rating in the beginning of the model number on the data plate of the condenser. For example, the “XC21” at the beginning of the model number of the …powered by BrainBox AI®. Use the power of AI to optimize your system performance. Trane Autonomous Control works 24/7 to optimize your building to to drive efficiency and carbon reduction without sacrificing comfort. Learn about Trane Autonomous Control. Air Handling Solutions. Whether you need basic comfort cooling or a custom-designed part of a sophisticated HVAC system, a Trane air handling system, combined with extensive experience creating custom products, mean that we can provide you with the right units for your system such as Air Handlers, Terminal Devices, VAV, and Fan Coils. Once you have found your model number, enter it into the text box to search for your model, as seen in the example below. You will then be taken to a list of diagrams for your model, and you will be presented with a diagram for each section of your appliance. For example, model number LAT9200AAE is a Maytag washing machine. Jan 5, 2016 ... Heat went out again on my Trane XE80 which is a good time to create a follow-up video!:) I suspect an issue with the gas switch or bad board ...Higher Energy Efficiency. A higher SEER2 rating provides greater energy efficiency in certain conditions. The minimum standard SEER2 for air conditioners is 13.4 1, though most modern air conditioners have a SEER2 that ranges from 13 to 21. Trane air conditioners range from 13.4 SEER2 up to 21.5 SEER2. But don’t forget — this rating is a ...The Trane ® Mixed Air Unit is an outside air unit that offers fresh air for improved indoor air quality and energy efficiency for your budget. The unit delivers up to 100% fresh air into your building and meets the ventilation requirements specified in ASHRAE ® 62.1. Mixed Air Unit meets minimum EER and IEER efficiency standards, which means it’s good for your …Trane was also announced as a 5-star Smart Thermostat Brand in the 2021 America’s Most Trusted Study.* In addition, Trane CleanEffects® was determined to be the most effective whole-house air filtration system by a Harvard-led independent research project on the air cleaning performance of multiple in-duct and portable devices. Whether you need to make a warranty claim or find replacement parts, there are plenty of reasons why you may need to find the model number for your GE motor. Here are several helpf...To best find the part you are looking for, type your part number into the search bar. If you can't find the Trane part that you are looking for, please call. We are happy to help you! ... 8043RP Trane HUMIDIFIER CANISTER **UPS Dimensional Weight Shipping. Learn More. Regular Price: $145.94 . Discount Price $116.75 . Add to Cart. Add to Compare ...powered by BrainBox AI®. Use the power of AI to optimize your system performance. Trane Autonomous Control works 24/7 to optimize your building to to drive efficiency and carbon reduction without sacrificing comfort. Learn about Trane Autonomous Control. Become a Customer. As a Trane Supply registered customer, you can discover the many advantages of buying HVAC parts online through our convenient 24/7 online ordering system, see live local part inventory numbers, and participate in a variety of exciting programs and promotions. How to read and decode Ducane serial numbers: There are 10 digits to Ducane serial numbers and there are two types of serial number. First type: 224678 0515 (Made up serial number) You will determine the month and the years from the last four digits of the serial number. 224678|05|15. 05 is the year HVACs unit was made.The encoded serial number on the rating or data plate will tell you the year and month the unit was made. Goodman uses 10 character serial numbers on all of their HVAC products. The 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 …When the spreadsheet containing the data opens in Excel, highlight all the data by clicking in the box in the upper left corner to the left of “A” and above 1. This will select all of the text. Next, click on Data, then under Data click on Filter and select AutoFilter. This will create a drop-down box at the top of each column.Dec 5, 2022 · A higher SEER2 rating provides greater energy efficiency in certain conditions. The minimum standard SEER2 for air conditioners is 13.4 1, though most modern air conditioners have a SEER2 that ranges from 13 to 21. Trane air conditioners range from 13.4 SEER2 up to 21.5 SEER2. But don’t forget — this rating is a maximum. powered by BrainBox AI®. Use the power of AI to optimize your system performance. Trane Autonomous Control works 24/7 to optimize your building to to drive efficiency and carbon reduction without sacrificing comfort. Learn about Trane Autonomous Control.Goodman Air Conditioner model number is 12 digit code. If you decode the model number, you can figure out how many tons your Goodman HVAC system is. The model number includes the nominal cooling capacity in three digits beginning with zero. This three-digit number is the unit’s capacity measured in British Thermal Units.In a report released today, Matthew VanVliet from BTIG reiterated a Buy rating on Model N (MODN – Research Report), with a price target of... In a report released today, Matt...3.1 Model Numbering Systems Introduction All Lennox product is set up with a systematic coding system for both model numbers and serial numbers. Unit model number (including any dash numbers) and serial number must always be used when referring a problem to Lennox in regard to repair parts, literature, wiring diagrams, etc. Use of... for their Trane HVAC business. Save time by ... I'll be honest this app is very confusing to use you have to know exact part numbers or what your looking for.Sample Model Number Tags. Model numbers can be made up of numbers (1005400, for example) or a combination of letters and numbers (LAT1000AAE). The model number will most likely appear on either a paper sticker or a metal plate. Your appliance's model number tag may look similar to the sample model number tags shown here (model …HSPF2, or Heating Seasonal Performance Factor, measures how efficiently your heat pump heats your home — the higher the HSPF2, the more efficient your heat pump is at heating.Effective Jan.1, 2023, the Department of Energy will require all split system heat pumps to have an HSPF2 rating of 7.5 or higher, and all single-packaged heat pumps …Find current HVAC products by Ameristar that is backed by American Standard. From air conditioners and furnaces, to heat pumps and air coils, to air handlers, ductless systems or packaged units.The numbers above are 99, so 1999. Manufacture Date: September 1999. Here is a Payne fan coil for AC. It uses a Style # 1 serial number. The unit was made in the 29 th week (July) of 2016. You can see that the date is included on the rating plate. That makes it easy – and “proves” the decoding is correct.When the spreadsheet containing the data opens in Excel, highlight all the data by clicking in the box in the upper left corner to the left of “A” and above 1. This will select all of the text. Next, click on Data, then under Data click on Filter and select AutoFilter. This will create a drop-down box at the top of each column. You Can Count on Trane® OEM Parts. From the engineer who designed the specifications for your compressor - to the professional working on the manufacturing line - to the Trane Supply associate assisting you at the counter, we offer you the complete support you need, from start to finish. They say there’s no replacement for the original.How to determine the date of production/manufacture or age of Mitsubishi® brand HVAC Systems. The industry average service design life for most forced air furnaces is 15-20 years, and the industry average …In its second cost-cutting measure of 2023, Tesla slashed Model S and Model X prices in the U.S. by $5,000 and $10,000, respectively. Tesla has cut the prices of its Model S sedan ...Replacement Parts. Trane Replacement Parts Standard Limited Warranty .. Trane U.S. Inc. (the “Company”) warrants for a period of one year from date of shipment (for in store items, from the date of purchase) that the Products covered by an order are free from defects in material and workmanship under normal use and maintenance in the United States and Canada; provided, however, that ... Reliability and durability is a given with every Trane system. Our products are rigorously tortured and tested , so they’ll hold up to anything. To top it off, all Trane TruComfort air conditioners come with a 10 year registered limited warranty on the outdoor coil and all other internal functional parts, plus a 12 year registered limited ...Keep in mind that each air filter has two sizes: an actual size and a nominal size. The actual size reflects the true measurements of an air filter when measured. This is often a very specific number such as 11.5 x 11.5 x .7, whereas the nominal size is rounded up to make the process of buying air filters simpler.Photo Examples of ICP Serial Numbers with Dates. Comfrotmaker A/C – 48th Week of 1992. Comfortmaker Furnace – 5th Week of 1992. ICP Commerical Rooftop Unit – 35th Week of 2005. ICP A/C – 48th Week of 2003. ICP A/C – 17th Week of 2005. ICP A/C – 41st Week of 2008. ICP. | Covfjxtqxb (article) | Mkqithh.