Lennox 18,000 BTU Air Handlers

Lennox 18,000 BTU (1.5 ton) air handlers for heat pump and air conditioner systems: the CBA25UH, CBK45UHPT, CBK45UHVT, and CBK47UHET, in 18.5 and 21.25 inch wide cabinets.

Lennox 18,000 BTU Air Handlers
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    Lennox CBA25UH-018 18.5" Width 18,000 BTU Air Handler

    The Lennox CBA25UH-018 is a 1.5 ton Merit Series air handler for R-410A systems, with a multi-speed PSC...
    $1,176.12
    $1,176.12
  • Lennox CBK47UHET-018-230-01 21.25" Width 18,000 BTU Air Handler
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    Lennox CBK47UHET-018-230-01 21.25" Width 18,000 BTU Air Handler

    The Lennox CBK47UHET-018-230-01 is a 1.5 ton Elite Series air handler for R-410A systems, with a constant torque...
    $1,961.19
    $1,961.19
  • Lennox CBK45UHPT-018-230-71 18.5" Width 18,000 BTU Air Handler
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    Lennox CBK45UHPT-018-230-71 18.5" Width 18,000 BTU Air Handler

    The Lennox CBK45UHPT-018-230-71 is a 1.5 ton Merit Series air handler for R-454B systems, with a multi-speed PSC...
    $1,549.25
    $1,549.25
  • Lennox CBK47UHET-018-230-71 21.25" Width 18,000 BTU Air Handler
    Quick view

    Lennox CBK47UHET-018-230-71 21.25" Width 18,000 BTU Air Handler

    The Lennox CBK47UHET-018-230-71 is a 1.5 ton Elite Series air handler for R-454B systems, with a constant torque...
    $2,268.66
    $2,268.66
  • Lennox CBK45UHVT-018-230-71 18.5" Width 18,000 BTU Air Handler
    Save $702.18
    Quick view

    Lennox CBK45UHVT-018-230-71 18.5" Width 18,000 BTU Air Handler

    The Lennox CBK45UHVT-018-230-71 is a 1.5 ton Merit Series air handler for R-454B systems, with a variable-speed blower...
    $2,025.37
    $2,025.37 $2,727.55

Matching an 18,000 BTU air handler

Match the refrigerant to your outdoor unit. By refrigerant, R-454B: CBK45UHPT-018-230-71, CBK45UHVT-018-230-71, and CBK47UHET-018-230-71; R-410A: CBA25UH-018 and CBK47UHET-018-230-01. Check the cabinet width and the space you have before you order. Electric heat is a separate kit, and we'll confirm which one fits. Matching outdoor units: Lennox 1.5 ton heat pumps and 18,000 BTU air conditioners.

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 18,000 BTU Air Handlers are known for.