Design
Manual J loads, selected capacity, indoor/outdoor match, and duct findings.
HVAC replacement cost calculator
Compare the major variables that move an installed HVAC price. The calculator intentionally returns a range because access, permits, sizing, electrical work, and contractor scope cannot be priced from a browser.
Planning calculator
Adjust the five project variables below. The result is a broad installed-cost planning band—not a contractor quote.
Range: 800–4,000 sq. ft. of conditioned space.
All-electric heating and cooling with standard air handler.
Duct work can add roughly $1,500–$12,000 depending on access and scope.
Read the result
The starting ranges represent common equipment-and-installation projects, then change with broad size, efficiency, market, and duct assumptions. They are not tied to a brand, contractor, financing program, or live local price database.
A bid can sit outside the range for difficult access, cranes, structural work, service upgrades, zoning controls, asbestos remediation, unusual permits, or a major redesign.
Next action
Manual J loads, selected capacity, indoor/outdoor match, and duct findings.
Permits, electrical work, drains, controls, disposal, testing, and exclusions.
Equipment, labor, and workmanship warranties plus total financing cost.
Read the full HVAC replacement cost guide.