Lennox 30,000 BTU Evaporator Coils
Lennox 30,000 BTU (2.5 ton) evaporator coils for 14.5 and 17.5 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 CK40CT-30A-71 14.5" Width 30,000 BTU Coil
The Lennox CK40CT-30A-71 is a cased upflow evaporator coil for 2.5 ton R-454B systems, with a factory-installed R-454B...Regular price $794.03Sale price $794.03 Regular price -
Quick view Lennox C35-30B-2F 17.5" Width 30,000 BTU Coil
The Lennox C35-30B-2F is an upflow evaporator coil for 2.5 ton R-410A systems, with a factory-installed RFC metering...Regular price $664.18Sale price $664.18 Regular price -
Quick view Lennox CX35-30A-6F 14.5" Width 30,000 BTU Coil
The Lennox CX35-30A-6F is a cased upflow evaporator coil for 2.5 ton R-410A systems, with a factory-installed check/expansion...Regular price $658.21Sale price $658.21 Regular price -
Quick view Lennox CX35-30B-6F 17.5" Width 30,000 BTU Coil
The Lennox CX35-30B-6F is a cased upflow evaporator coil for 2.5 ton R-410A systems, with a factory-installed check/expansion...Regular price $661.19Sale price $661.19 Regular price -
Quick view Lennox C35-30A-2F 14.5" Width 30,000 BTU Coil
The Lennox C35-30A-2F is an upflow evaporator coil for 2.5 ton R-410A systems, with a factory-installed RFC metering...Regular price $614.93Sale price $614.93 Regular price -
Quick view Lennox CK40HT-30B-01 17.5" Width 30,000 BTU Coil
The Lennox CK40HT-30B-01 is a cased horizontal evaporator coil for 2.5 ton R-410A systems, with a factory-installed R-410A...Regular price $688.06Sale price $688.06 Regular price -
Save $728.65Quick view Lennox CK40HT-30B-71 17.5" Width 30,000 BTU Coil
The Lennox CK40HT-30B-71 is a cased horizontal evaporator coil for 2.5 ton R-454B systems, with a factory-installed R-454B...Regular price $847.76Sale price $847.76 Regular price$1,576.41 -
Quick view Lennox CK40UT-30B-71 15.5" Width 30,000 BTU Uncased Coil
The Lennox CK40UT-30B-71 is an uncased upflow evaporator coil for 2.5 ton R-454B systems, with a factory-installed R-454B...Regular price $865.67Sale price $865.67 Regular price
Matching a 2.5 ton Lennox coil
Coil families at this size include the C35, CHX35, CK40CT, CK40HT, CK40UT, and CX35. 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 and B for 17.5 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.
Then match the refrigerant to your outdoor unit. R-454B: CK40CT, CK40HT, and CK40UT coils ending in -71. R-410A: the C35, CHX35, and CX35, plus CK40HT coils ending in -01. Browse every size on the Lennox evaporator coils page, or match the outdoor side with Lennox 30,000 BTU air conditioners and 2.5 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 30,000 BTU Evaporator Coils are known for.