Furnace Size Calculator
Calculate furnace BTU by house size and climate.
Last updated: June 2026
📋Full cost guides, how-to steps, and contractor pricing breakdowns at EstimatorSuite.com
VA, NC, TN, MO
Condensing furnace. PVC venting. ENERGY STAR rated.
Recommended Furnace Size
Output capacity80K BTUInput: 84K BTU
Recommended model80K BTU 95% AFUE (High-Efficiency)
Total installed costEquipment + labor + permits
$5,000 - $9,000
Estimated annual fuel cost: $800-$1,400/year
Based on: 2,000 sq ft, moderate (mid-atlantic/midwest), average insulation. Prices from HomeAdvisor + Angi 2026. Last verified: June 2026.
Disclaimer: These estimates are for budgeting purposes only. Actual costs depend on your location, current material prices, and contractor rates. Always get 2-3 quotes from licensed contractors before starting any project.