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Compare HVAC systems and get an accurate cost estimate for your home.
Est. monthly energy: $120/mo
Annual savings vs old system: $720/yr
Energy payback: ~15.6 years
Summit connects homeowners with licensed, top-rated HVAC pros.
Get Your Free DiagnosticOur hvac replacement calculator tool is built by industry experts with years of experience. Based on data from contractor networks, Bureau of Labor Statistics research, and regional pricing studies, estimates are typically within 10-15% of actual contractor quotes. Learn how it works and understand the important factors that affect your project costs.
Yes — enter your email after calculating and we'll send you a detailed breakdown you can reference when comparing contractor bids.
Completely free for a limited time, no credit card required. Don't wait — we built these tools to help homeowners and contractors make better-informed decisions. Act now to save your results.
Upload a floor plan. AI counts fixtures and generates labor/material estimates instantly.
Upload a photo of an HVAC/Panel sticker. AI extracts specs and cross-references live databases.
Upload a yard photo. AI generates an 8k render of the completed installation with dynamic pricing.
This free Hvac Replacement Calculator is just the start. Summit embeds AI-powered quote calculators on your site — so homeowners get instant pricing while you sleep.
Takes 60 seconds · Free · No credit card
Source: ACCA / HomeAdvisor 2025. Actual costs vary by region, project scope, and materials.
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Summit puts this calculator on your website — branded, automated, capturing leads 24/7 while you focus on the job site.
Upload a floor plan. AI counts fixtures and generates labor/material estimates instantly.
Upload a photo of an HVAC/Panel sticker. AI extracts specs and cross-references live databases.
Upload a yard photo. AI generates an 8k render of the completed installation with dynamic pricing.
Our calculator uses real-time regional pricing data and factors in equipment type, system size, labor rates, and permit costs. Estimates are typically within 10-15% of actual contractor bids.
Major factors include system type (central AC, heat pump, mini-split), home size, ductwork condition, energy efficiency rating (SEER), local labor rates, and permit requirements.
Generally, if your system is over 15 years old, requires frequent repairs, or uses R-22 refrigerant, replacement is more cost-effective. Our calculator helps compare long-term costs of both options.