Lennox 36,000 BTU Evaporator Coils
Lennox 36,000 BTU (3 ton) evaporator coils for 14.5, 17.5, and 21 inch furnace cabinets, in R-454B and R-410A versions. Check each product page for the refrigerant and the furnace width a coil fits.
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Quick view Lennox C35-36A-2F 14.5" Width 36,000 BTU Coil
The Lennox C35-36A-2F is an upflow evaporator coil for 3 ton R-410A systems, with a factory-installed RFC metering...Regular price $625.37Sale price $625.37 Regular price -
Quick view Lennox CHX35-36A-6F 14.5" Width 36,000 BTU Coil
The Lennox CHX35-36A-6F is a cased horizontal evaporator coil for 3 ton R-410A systems, with a factory-installed check/expansion...Regular price $997.01Sale price $997.01 Regular price -
Quick view Lennox C35-36B-2F 17.5" Width 36,000 BTU Coil
The Lennox C35-36B-2F is an upflow evaporator coil for 3 ton R-410A systems, with a factory-installed RFC metering...Regular price $682.09Sale price $682.09 Regular price -
Quick view Lennox CX35-36B-6F 17.5" Width 36,000 BTU Coil
The Lennox CX35-36B-6F is a cased upflow evaporator coil for 3 ton R-410A systems, with a factory-installed check/expansion...Regular price $770.15Sale price $770.15 Regular price -
Quick view Lennox CX35-36A-6F 14.5" Width 36,000 BTU Coil
The Lennox CX35-36A-6F is a cased upflow evaporator coil for 3 ton R-410A systems, with a factory-installed check/expansion...Regular price $753.73Sale price $753.73 Regular price -
Save $829.94Quick view Lennox CK40HT-36B-71 17.5" Width 36,000 BTU Coil
The Lennox CK40HT-36B-71 is a cased horizontal evaporator coil for 3 ton R-454B systems, with a factory-installed R-454B...Regular price $789.55Sale price $789.55 Regular price$1,619.49 -
Quick view Lennox CK40HT-36A-71 14.5" Width 36,000 BTU Coil
The Lennox CK40HT-36A-71 is a cased horizontal evaporator coil for 3 ton R-454B systems, with a factory-installed R-454B...Regular price $1,243.28Sale price $1,243.28 Regular price -
Quick view Lennox CK40HT-36C-71 21" Width 36,000 BTU Coil
The Lennox CK40HT-36C-71 is a cased horizontal evaporator coil for 3 ton R-454B systems, with a factory-installed R-454B...Regular price $843.28Sale price $843.28 Regular price
Matching a 3 ton Lennox coil
Coil families at this size include the C35, CHX35, CK40CT, CK40DT, CK40HT, CK40UT, and CX35, plus the CH23. Start with your furnace width. The letter after the size in the coil model number tells you the cabinet it fits: A for 14.5 inch, B for 17.5 inch, and C for 21 inch. Most coils here are cased, so they come in their own cabinet. CK40UT models are uncased and fit inside an existing cabinet or plenum. The CH23 has no cabinet letter, so check its product page for dimensions.
Then match the refrigerant to your outdoor unit. R-454B: CK40CT, CK40DT, CK40HT, and CK40UT coils ending in -71. R-410A: the C35, CHX35, and CX35, plus CK40CT and CK40DT coils ending in -01. Browse every size on the Lennox evaporator coils page, or match the outdoor side with Lennox 36,000 BTU air conditioners and 3 ton heat pumps.
Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order. Everything ships from our Kansas City warehouse, and each product page shows whether an item ships free. HVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.
Get Expert Help
Not sure which of these systems is right for your application? Our team can help you compare models, sizes, and configurations to ensure the best fit for your climate and space.
Reach out to us at (913) 364-0070 or info@hvacusa.store. Reach out to find the right system to help you experience the long-term reliability and performance that Lennox 36,000 BTU Evaporator Coils are known for.