Trane xr 90 furnace

1 Central Furnace heating designs are certified by ETL. 2 For U.S. applications, above input ratings (BTUH) are up to 2,000 feet, derate 4% per 1,000 feet for elevations above 2,000 feet above sea level. For Canadian

Trane xr 90 furnace. Specifications. Every Trane furnace is packed with high-quality components. Each helps ensure that time after time, your unit will provide total comfort your family can rely on. Four-speed blower motor. Self-diagnostic microelectronic controller. Heavy steel cabinet. Durable silicon nitride hot surface burners. Multi-port, in-shot burners.

Dealer Locator. Traditional Thermostats. Choose how your system heats and cools your space with helpful controls. Set your desired temperature, and let your thermostat do the work to keep your home comfortable. What to look for: cooling speeds, heating speeds, programmability. Showing results for.

PAGE 3. Features and Benefits XR 90 Standard Equipment Contents General Features 2 Features and Benefits 3 • Power supply 115/1/60 • Convertible to horizontal left • Type 29-4C™ stainless steel secondary heat exchanger • Inner blower doors • Direct drive, 4-speed motors • Silicon Nitride igniter with adaptive heat up • Accessory ...Hello. I have a Trane XB90 propane gas furnace. When the thermostat calls for heat, the furnace starts up, the burners fire, and the blower begins to cycle the air as you would expect. However, after … read moreManuals/Application Guides/Literature. Follow. LCU Voyager Modulating gas heat manuals. Light Commercial Power Burner troubleshooting Guide. Eflex troubleshooting manuals. Wiring Manuals for R22 Precedent Units. Zoned Rooftop Systems Catalog.Trane XL90 (model: tdx2b080a9422aa)forced air gas furnace. The problem I am having is the burner and fan will not start. The thermostat is set at 67 degrees and shows it is calling for heat but no heat. Noticed it started coming on and off intermittently over the last few days. I took a multimeter to the ignitor and its not reading ohms.However, a number of things i would like to repeat: (1) LED flashes 2 times: that is when the unit is blowing cool air only. (2) Shutting of the power and then let the system recycle turns on the burner again (I can hear that) and hot air is flowing again. (3) If I raise the thermostat only 1 degree at a time, then the unit keeps on working and ...Up to 13.8 SEER2. Noise Level. The average sound level in decibels. The higher the number, the louder the unit. For example, a vacuum cleaner = 70. 71-75 DbA. Speeds. Units with variable cooling stages have more precise temperature control and operate more efficiently than single stage units.

Reduced pollen, dust, pet dander, smoke, etc., could help reduce allergy and asthma discomfort. A Trane CleanEffects® Whole Home Air Cleaner air filtration system can remove up to 99.98%* of airborne particles that pass through the reusable filter. *Based on third party testing of particle removal efficiency down to 0.3 microns (2005).Most homes have a standard split-system air conditioning unit with two main fans. One fan is inside the house, and one is outside the home. When your AC unit is working properly, the blower inside your furnace or AC will blow cold air.The cold air is sent through ducts to the living areas and then returns air to be cooled by the evaporator coil.C = 90% Condensing Standard X = 90% Condensing Premium H = 95% Condensing Premium Number of Heating Stages 1 = Single Stage 2 = Two Stage M = Modulating Major Design Change Minor Design Change Service Digit - Not Orderable Heating Input in 1000's (BTUH) 080 = 80,000 BTUH Cabinet Width A = 14.5" Cabinet Width B = 17.5" Cabinet Width C = 21.0 ...Trane recommends a MERV rating of 8 to 13 for most residential homes, but if you have a family member who often smokes inside your home, then a MERV 16 is your best option. Clear The Air Trane Perfect Fit Merv 13 filters are the most suitable option for residential HVAC filtration. They can remove up to 96% of allergens, fine particles, dust ...With two unique heating stages and an AFUE (Annual Fuel Utilization Efficiency) rating of up to 80%, Trane's XV80 Gas Furnace is a system you can count on. The variable-speed motor allows this system to operate at different speeds, depending on what you need, to create the optimal indoor temperature for you. Contact your local HVAC dealer ...BIM and Selection Tools. Access the technical files you need to confidently design HVAC system projects with ease. Quickly download BIM-Revit or CAD drawings and detailed documents based on project needs. And coming soon, be on the look out for a new, user-friendly filtering tool for drawings and technical documents. da-topss-page.jpg.

With two unique heating stages and an AFUE (Annual Fuel Utilization Efficiency) rating of up to 80%, Trane’s XV80 Gas Furnace is a system you can count on. The variable-speed motor allows this system to operate at different speeds, depending on what you need, to create the optimal indoor temperature for you. Contact your local HVAC dealer ... In the 1990s, Duo-Therm was one of the biggest manufacturers of furnaces for recreational vehicles. Today, many older recreational vehicles still use a Duo-Therm furnace to heat th...Mar 25, 2017 ... Trane XE80 air pressure switch error troubleshooting - Please Subscribe / Like / Comment.Traditional Thermostats. Choose how your system heats and cools your space with helpful controls. Set your desired temperature, and let your thermostat do the work to keep your home comfortable. What to look for: cooling speeds, heating speeds, programmability. Showing results for.

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In the 1990s, Duo-Therm was one of the biggest manufacturers of furnaces for recreational vehicles. Today, many older recreational vehicles still use a Duo-Therm furnace to heat th...Learn how to service, diagnose and wire Trane branded Samsung units with this comprehensive manual. Download or access online.Three flashes on the Trane furnace control board means that the vent pressure is too high or too low, which then activates the pressure switch and causes a lockout. Check all incoming and outgoing vents on the furnace air system, including on the furnace, and clear away anything that may be blocking the air flow. Then reset the furnace.Nut Driver bit SHORT 3/8 & 5/16: https://amzn.to/3TjwIMoHello all and welcome back to the channel. In this video we diagnose a Trane furnace show how to diag...The experts at Repair Clinic can help you find the exact parts you need to get your equipment operating again at peak performance. When it comes to switch parts for Trane furnace systems, Repair Clinic is your one stop, online solution. If you need help locating a Trane Furnace Switch part, call our Customer Service Team at 1-800-269-2609.

Trane XB Series. A reputation for reliability and smart, sensible comfort. Trane XB air conditioners and heat pumps. Gentle warmth, crisp, cool air, and unbeatable reliability. *Independent 2012 HVAC Claim Study, Funded by Ingersoll Rand. When it comes to heating and cooling homes, people view Trane equipment as the most reliable and longest ...Trane XR 90 SERIES Feature Overview Manual. Download Feature overview manual of Trane XR 90 SERIES Furnace for Free or View it Online on All-Guides.com. Brand: …2149 posts · Joined 2009. #10 · Oct 25, 2021. Agree with Super but I guess my method would be to check with meter at Tstat for heat call. Then verify that call at the unit. It really seems like either Tstat or wiring are at issue. I am 'assuming' control transformer also powers board and that is hot, so....Changing your air filter as directed by your local Trane dealer can lower energy consumption by 5-15%, while enhancing your HVAC systems performance. Protect. Air filters with MERV9 ratings can remove particles down to 1 to 3 microns in size from the air; protecting you from small, harmful irritants. Maintain.Here's how to reset the following Trane furnace models: Trane XE80, XR80, and XR90: These furnace models typically have the reset button housed near the burner. The button will usually be located in the rollout switch and connected by two wires on opposite sides. The button is about the size of a coin. It may also be red.Here I got the furnace going with the burner cover off and inspected the flame around the sensor. It looked perfect. I slowly lowered the door (it hinges at the top) and watched the flame as it closed. No change in the flame. Note that the problem of not igniting somewhat rules out the flame sensor because the furnace does not even begin to ignite.Flame Sensor for Trane Furnace - Flame Sensor Igniter Sensing Rod for Trane XR80 XR90 XB80 XE80 and American Standard Gas Furnace, ... Dimension - 3.4" in length and 90 degree "crook" on end approximate 2". Package including 2 X flame sensor replace OEM part number #SEN01114, SEN00441, SEN441, SEN00337, SEN00491, SEN0337, SEN0491, SEN1114 ...Time to change those return air filters..every 6 monthsS9E526Visit my Store for cool Merchandise https://teespring.com/stores/cuda-garageThe Trane XR90 gas furnace is a single stage furnace that provides efficient operation than its predecessor the XR80 having an efficiency rating of 80%.Trane has always strived to bring innovation and improvements in its products through extensive research and advanced technologies. ... Compared with furnaces from other brands like the Payne 90 ...Trane XR Heat Pumps. Reliable heating and cooling all year long. Trane XR Heat Pumps. Settle in to a high level of clean, comfortable air. Trane has a tradition of quality lasting more than a century. ago, Reuben and James Trane made the decision to stand out from the crowd. To build a comfort system like no other, using uncompromising quality ...I have a Trane XR 90 furnace and it locks oiut and gives two flashes. I replaced the flame sensor and installed a new igniter and the furnace started working properly. Now, after a couple of weeks, it … read moreGet the best deals on Trane Furnace Home Central Furnaces when you shop the largest online selection at eBay.com. Free shipping on many items ... at $137.00 eBay determines this price through a machine learned model of the product's sale prices within the last 90 days. Trane 5kW Electric Heater BAYHTR1505LUG New in Box 240V 4.8kw. $89.00. or ...

The Trane XE90 is a high-efficiency furnace that reduces fuel waste by using up to 90 percent of stored fuel, and may require a thermostat restart to fix heating issues that occur while in use. A restart is the first step in attempting to resolve common furnace issues, and can fix minor problems that prevent the furnace from operating normally.

Trane Furnace's red light flashing 3 times tells you either there is an issue with your furnace pressure switch or a fault with the ventilation. Plus, clogged inducer fans, blocked condensate drain and pumping lines are also responsible for the red light blinking 3 times. To fix your furnace's 3 blinking instantly, check and validate.Jan 28, 2023 ... Fixing my Furnace - Trane XV90 ... Trane XE 90 4 red flash error code. jammanvc ... Repair furnace Trane XR90 #4 blinking Lights errors # blowing ...Show all. View and Download Trane 80 manual online. Upflow/Horizontal Two-stage Condensing Gas-Fired Furnace. 80 furnace pdf manual download. Also for: 120r9v, Xv 90, 100, Tuy060, Tuy080, Tuy100, Tuy120r9v.Three flashes on the Trane furnace control board means that the vent pressure is too high or too low, which then activates the pressure switch and causes a lockout. Check all incoming and outgoing vents on the furnace air system, including on the furnace, and clear away anything that may be blocking the air flow. Then reset the furnace.R-410A refrigerantis a blend of hydrofluorocarbon (HFC) compounds R-32 and R-125. It has been used as a replacement for R-22 (commonly known as Freon). The United States and the European Union have prohibited the use ofR-22in the manufacture of new air conditioning units since January 1st, 2010. Why R-410A Is Being Phased Out.Trane Manuals; Furnace; XC80; Trane XC80 Manuals. Manuals and User Guides for Trane XC80. We have 1 Trane XC80 manual available for free PDF download: Owner's Manual ... Trane XR 90 ; Trane XC95m ; Trane X13790941010 ; Trane Categories. Air Conditioner Heat Pump Chiller Air Handlers ...My trane xr90 furnace isn't working. The gas turns on and it fires up, but When it comes time for the air to begin blowing it makes A "whisk" sound and restarts. The light is blinking Continuously rap …

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Trane TUX100C960C1 Gas Furnace. Inducer (draft) fan start starts, runs for a timed period. Gas valve does not open, not igniter attempt no burner ignition. After time out Inducer fan shuts down times ...Companies in the Industrial Goods sector have received a lot of coverage today as analysts weigh in on Illinois Tool Works (ITW – Research Rep... Companies in the Industrial Good...The Trane S9V2 furnace can face specific challenges: Ignition Failures: Inspect the pilot light for proper functioning. Airflow Restrictions: Regularly clean or replace filters and check vents for obstructions. Control Board Issues: Diagnose problems like loose connections or burnt components on the control board.Any ideas? (Trane XE90, Model TUC080C942A0, Manu 1994) Pressure switch works, meaning it is open when the induction fan blows and is closed when it is not. With heat on each terminal reads ~26 volts. There is a sensor of some type on the inducer fan housing; it runs inline with the inducer motor. I tried bypassing this sensor and it made no difference.Trane Furnace Review. Modernize Rating: 4.5/5. Average Cost: $2,490 - $9,800. Trane furnaces are consistently rated as the best of the best among homeowners. Though they have higher upfront costs to buy and install, they are affordable to run. Find Local Pros. Updated: Mar 25, 2024 · Written By: Rob Sabo · Reviewed By: Catie Bonner.I need help getting my furnace open so I can clean the flame sensor.Trane furnaces with 90 or higher AFUE measurements deliver at least 90% of the heat they create to your home, which exceeds the government’s minimum standard of 80 AFUE for …First-stage auxiliary heating for heat pumps and multi-stage furnaces; provides supplemental gas or electric heat when the heat pump cannot meet demand. 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, and Saturday 10 ...C = 90% Condensing Standard X = 90% Condensing Premium H = 95% Condensing Premium Number of Heating Stages 1 = Single Stage 2 = Two Stage M = Modulating Major Design Change Minor Design Change Service Digit - Not Orderable Heating Input in 1000's (BTUH) 080 = 80,000 BTUH Cabinet Width A = 14.5" Cabinet Width B = 17.5" Cabinet Width C = 21.0 ... ….

Why Buy OEM. Built to the original equipment specifications (OEM), Trane® OEM parts are approved by Trane Engineering to meet or exceed all Trane testing requirements. With OEM, customers will receive the quality that they expect from Trane. All our OEM parts are: Engineered for the Application. Tested in the Application.95% AFUE or moreFour-speed blower motorSingle-stage heating. High-efficiency blower motor. Self-diagnostic microelectronic controller. Durable adaptive silicon nitride hot surface igniter. Sealed combustion, 100% outside air option. Multi-port, in-shot burners. One-piece heat exchanger with no welds. Pre-painted galvanized steel cabinet.1 Central Furnace heating designs are certified by ETL. 2 For U.S. applications, above input ratings (BTUH) are up to 2,000 feet, derate 4% per 1,000 feet for elevations above 2,000 feet above sea level. For CanadianI have a Trane XR 90 with two (2) 3" PVC pipes leading to the exterior. One for exhaust & one for fresh outside air induction. The intake is VERY noisy, & sounds like a loud vacumn cleaner or turbine.. ... This might be an option but could cause cold drafts when the furnace is idle. Last XR90 I saw that used indoor air had larger than a 3 ...19,130 satisfied customers. I have a 4 blink code on my Trane XR90. Filters were dirty, Hello, I have a 4 blink code on my Trane XR90. Filters were dirty, so they have been changed. Turned off power at breaker, but the code … read more. airheatman.C340056P04 - Trane OEM Furnace 3" Replacement Limit Switch. $30.21 $ 30. 21. Get it as soon as Wednesday, Apr 24. In Stock. Sold by HVAC Pros and ships from Amazon Fulfillment. ... 5.0 out of 5 stars Identical replacement for my Trane XR80 capacitor. Reviewed in the United States on August 30, 2016.Gas and Oil Home Heating Furnaces - Trane XR90 furnace blower motor inducer - My house has a Trane XR90 natural gas furnace (model TUY080R9V3W1). The blower inducer motor continues to get louder each season - when the house was inspected this was noted as an issue. Doing some research, it appears the original motor isTrane® Home Diagnostics: Consumer Information; Dealer Remote Access (DRA) 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, and Saturday 10 AM - 5 PM ET.Step 2: Locate the Pilot. Take off the furnace cover and locate the gas valve and the gas control, which is a plastic or metal knob with three settings: "on," "off" and "pilot." You'll see three tubes coming from the bottom of the gas valve. Follow one of the two smaller ones (the large one is for the gas burners) inside the burner compartment ...A Trane Contractor would still have to come out to verify part is defective, costing you one hour labor , if part is indeed under warranty, labor would be chargeable. But you can research that part first , by asking your Company to research first or google. I suspect the collector box in the secondary heat exchanger is cracked and leaking water. Trane xr 90 furnace, I have been given two options for replacing a 3 ton unit: 1) Trane xr13 - $3800 (continue using existing furnace) 2) A "green system" of Trane XL16i and new furnace for $8813, that is eligible for a t … read more, I have a trane XR 90. When the forced hot air fan cuts on it makes a whop-whop sound unlike the other XR 90 furnaces that I have that run smootly. How can it be fixed. Is the squirrell cage loose? Can … read more, Upflow/ Horizontal Downflow/Horizontal Condensing, Direct Vent Gas-Fired Furnace PUB. NO. 22-1866-05 XL 95 TUH2B060A936VA, TUH2B080A942VA,, Here I got the furnace going with the burner cover off and inspected the flame around the sensor. It looked perfect. I slowly lowered the door (it hinges at the top) and watched the flame as it closed. No change in the flame. Note that the problem of not igniting somewhat rules out the flame sensor because the furnace does not even begin to ignite., Every Trane 80 furnace delivers an AFUE (Annual Fuel Utilization Efficiency) of up to 80%, exceeding government standards for new furnace efficiency. That means a full 80% of the fuel you pay for is converted into heat you can use. If your current furnace is 15 or more years old, replacing it with a Trane 80 furnace is a, Most homes have a standard split-system air conditioning unit with two main fans. One fan is inside the house, and one is outside the home. When your AC unit is working properly, the blower inside your furnace or AC will blow cold air.The cold air is sent through ducts to the living areas and then returns air to be cooled by the evaporator coil., Nov 27, 2023 ... Standard efficiency is typically rated at 80 percent AFUE, while high efficiency is at 90 percent AFUE and above. Sound Level. For residences ..., Hunter-wish SEN01114 Flame Sensor for Trane Furnace - Flame Sensor Igniter Sensing Rod for Trane XR80 XR90 XB80 XE80 and American Standard Gas Furnace, Replace SEN00491 SEN0337 B340888P01-2PCS $8.99 $ 8 . 99 ($4.50/Item), XR 90 DV Condensing Gas Furnace Single Stage. Specifications: Upflow/Horizontal Condensing (Sealed Combustion -1 or 2 Pipe Vent Option) *For heating/cooling …, Enhance efficiency and eliminate irritants. Enhance. Changing your air filter as directed by your local Trane dealer can lower energy consumption by 5-15%, while enhancing your HVAC systems performance. Protect. Air filters with MERV9 ratings can remove particles down to 1 to 3 microns in size from the air; protecting you from small, harmful ..., I have an American Standard Freedom 90 that was installed in my house when it was built in 1995. It started blowing cold air so I called a technician who installed a "fuse limit (FUS00620 Trane Furnac … read more, Trane is a highly respected name in the home heating equipment and air conditioner industry, specializing in high-efficiency gas furnaces. Trane’s equipment is among the highest-quality in the industry – but it’s also one of the most expensive. The average cost of a Trane furnace is around $9,150, but you could pay anywhere from …, Jan 20, 2012 · Vacuum draws 1-1/2 to 2 inches of water back into the tube. LayJ - The clear condensate drain tube on the left is slightly pinched, but definitely open. Condensate water is easily draining down and air is easily flowing through it. OK, understood that the Trane trap does something that the pvc trap does not do. , Open the PDF directly: View PDF . Page Count: 16. of 16. : Trane Trane-Xr-90-Series-Owners-Manual-121666 trane-xr-90-series-owners-manual-121666 trane pdf., Trane is a highly respected name in the home heating equipment and air conditioner industry, specializing in high-efficiency gas furnaces. Trane's equipment is among the highest-quality in the industry - but it's also one of the most expensive. The average cost of a Trane furnace is around $9,150, but you could pay anywhere from $4,800 ..., 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., Subject to the terms and conditions of this limited warranty, Trane U.S., Inc. (“Company’) extends a limited warranty against manufacturing defects for the produc t(s) identified in Table 1 attached hereto (“Products’) that are installed in a residential application (personal, family or household purposes) under , I have an older rheem natural gas furnace. Model no. RGLA-07EA-CR serial no. GN3D206 F2087 9603 The furnace completely turned off yesterday. I have been able to get the pilot light back on, however the furnace still will not fire up the main burners and work. The thermostat is calling for heat, but the furnaces never turns on., trane furnace heat help. i have a trane xv 90 that engages heat, ... Trane xr 90 starts and shuts off. 3 days. The flames will. the flames will light, once the higher speed kicks in within about 5-10 seconds the unit shuts down. i removed the flame sensor and cleaned it with a scotch brite pad ..., The most efficient Trane furnace is the XC95M at 97.3%. Carrier furnace prices range from $3,100 to $11,250 for installed furnaces ranging from 40,000 to 120,000 BTU, with efficiency ratings of 80% to 98.5%. The most efficient being the Carrier Infinity 98, currently with the model number 59MN7., Need to troubleshoot Trane XR80 HVAC. Furnace not starting. Red light is blinking continuously. ... My Trane XR-90 Condensing Furnace trys to come on, but will. My Trane XR-90 Condensing Furnace trys to come on, but will not fire. The signal light first flashes continuulsy calling for heat Then the condensing fan comes on, ..., F ora complete listing of lineset options available from equipment supply stores, refer to the Trane Residential and Light Commercial Product Handbook. 22-1970-1A-EN 3 Model No. (a) 4TTR5042N1000A 4TTR5048N1000A 4TTR5060N1000A ... High Temperature Heating 47°F DB, 43°F WB air entering outdoor coil, 70°F DB air entering indoor coil. 3. Low ..., Furnace Trane XR 90 SERIES Feature Overview Manual. Upflow/horizontal left downflow/horizontal right condensing, direct vent gas-fired furnace with single-stage fan assisted combustion system (16 pages) Furnace Trane XR80 Manual. ... Furnace Trane XR 80 TUD1A040A9241A User Manual., Gas and Oil Home Heating Furnaces - Trane XR90 furnace blower motor inducer - My house has a Trane XR90 natural gas furnace (model TUY080R9V3W1). The blower inducer motor continues to get louder each season - when the house was inspected this was noted as an issue. Doing some research, it appears the original motor is, Parts Town carries real OEM Trane parts online to repair or routinely maintain commercial HVAC units. Choose from durable bearings, thermostats, valves, fans and more that function with your exact air conditioner or furnace. Each component and attachment in stock is genuine OEM, ensuring your unit can stay safe, efficient and reliable., Starting at $7,600. Overview. Technical Specifications. Owner Resources. reliability and dependability. 96 Two-Stage Gas Furnace Specifications. Every Trane furnace is packed with high-quality components. Each helps ensure that time after time, your unit will provide total comfort your family can rely on. The 96 Two-Stage Gas Furnaceincludes:, With two unique heating stages and an AFUE (Annual Fuel Utilization Efficiency) rating of up to 80%, Trane’s XV80 Gas Furnace is a system you can count on. The variable-speed motor allows this system to operate at different speeds, depending on what you need, to create the optimal indoor temperature for you. Contact your local HVAC dealer ... , Find all the parts you need for your Trane Furnace TUX080C942D3 at RepairClinic.com. Category : Wiring Manual; Post Date : October 19, 2020; Filled in: Wiring Manual Trane Xr90 Wiring Manual 9 out of 10 based on 40 ratings. a. Search Input . +1-888-873-3829. Trane xe 90 furnace manual share the knownledge., 95 Single-Stage Ultra-Low NOx Gas Furnace Specifications. Every Trane furnace is packed with high-quality components and features. Each helps ensure that time after time, your unit will provide total comfort your family can rely on. The 95 Single-Stage Ultra-Low NOx Gas Furnacefeatures: View product brochure. L9X1A050U3VS., 1 Central Furnace heating designs are certified to ANSI Z21.47 / CSA 2.3 2 For U.S. applications, above input ratings (BTUH) are up to 2,000 ft., derate 4% per 1,000 ft. for elevations above 2,000 ft. above sea level., Trane xr 90 series feature overview manual pdf manualslib wyze thermostat not powering up home forum newport news hvac service equipment maintenance plans hampton roads air conditioning heating repair furnace gas valve assembly val09029 fast shipping clinic talk refrigeration discussion need help re wiring for and ac doityourself …, Revised: February 2nd, 2024. There are so many furnaces with so many different features on the market today. After a while, it can be difficult to keep all those model numbers straight. So how can you even begin to determine which furnace is right for you? Take a breath. We’re here to help., The Trane company began manufacturing heating devices in 1910 after company founder James Trane invented a low-pressure heating system called the Trane Vapor Heating System. The Trane XE90 is a single-stage gas furnace that was marketed as a high-efficiency heating unit. Each model of the XE90 range boasts a 90+ AFUE (annual fuel utilization ...