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Have higher or lower than 8' ceilings?

Use this calculator to adjust sq ft for higher or shorter ceilings. Click the "i" button for more information.

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HVAC configurations are based on the cubic sq ft of rooms with 8' ceilings. To configure the equivalent sq footage, use our calculator to get the correct system. Areas must be well insulated to work properly.

Select your system type

DIY Single-Zone
  • DIY Single-Zone
  • DIY Multi-Zone
  • Olympus Single-Zone
  • Olympus Multi-Zone
  • Step 1:

    Select Outdoor Unit

  • Step 2:

    Select Indoor Unit

  • Step 3:

    Select Line Set

  • Step 4:

    Select Accessories

  • Step 5:

    Select Warranty option

DIY 4th Energy Star with 25 ft line set

BTU