HVAC Replacement Cost Calculator

A full HVAC replacement typically costs $5,000–$12,000 for a 1,500–2,500 sq ft home. Budget systems (SEER 14-15) cost $3,500–$6,000. Mid-range systems (SEER 16-18) cost $6,000–$10,000. Premium systems (SEER 20+) cost $10,000–$15,000+.

SEER (Seasonal Energy Efficiency Ratio) measures cooling efficiency. SEER 14-15 = budget (basic efficiency, lower upfront cost). SEER 16-18 = mid-range (better efficiency, balanced cost). SEER 20+ = premium (maximum efficiency, lowest bills). Higher SEER saves 10-20% on cooling costs annually.

Yes, if both units are over 10-12 years old. Benefits: better efficiency when matched, avoid second labor charge, qualify for system rebates, guarantee compatibility. Replacing together saves $1,000–$2,000 vs. two separate installations.

Standard replacement: 1-2 days (straightforward swap). With ductwork repairs: 3-5 days. With major ductwork replacement: 5-7 days. Multi-zone mini-split: 2-4 days (1 day per zone).

System size depends on home square footage, insulation, climate, and windows. General guide: 1,000-1,500 sq ft = 1.5-2 tons. 1,500-2,000 sq ft = 2-2.5 tons. 2,000-2,500 sq ft = 2.5-3.5 tons. Always get a Manual J load calculation.

Replace if: unit is 12+ years old, repair cost exceeds 50% of replacement ($2,500+), frequent breakdowns, uses R-22 refrigerant. Repair if: unit is under 8 years old, single repair under $1,000, still under warranty.

Options include contractor financing (often 0% for 12-24 months), home equity loans, personal loans, and manufacturer rebates. Check for utility rebates ($200–$1,500) and federal tax credits (up to $2,000 for high-efficiency systems).