Furnace Size Calculator: Home Heating BTU Estimator Tool
Calculate the optimal furnace size for your home based on square footage, climate zone, insulation quality, and other factors. Get accurate BTU requirements for proper home heating.
Furnace Size Estimator
sq ft
Recommended Furnace Size
Your recommended furnace size is:
0 BTU (0 BTU - 0 BTU)
Calculation Method
Base: 1500 sq ft × 35 BTU/sq ft
Adjustment factors applied:
- Insulation quality: ×1.00
BTU Contribution Breakdown
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Documentation
Furnace Size Calculator for Home Heating Estimator
Calculate the optimal furnace size for your home based on square footage, climate zone, insulation quality, ceiling height, and home age. Get accurate BTU requirements to ensure efficient heating and energy savings.
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