Well-insulated Home · 900–1,200 ft²
Cold Climate
BTU & Cost Estimate
BTU Required
41,580
BTU/hr
AC Tonnage
3.5
1 ton = 12,000 BTU/hr
Installation Cost
$12,250 - $21,000
USD
How we calculate
Base area (1,200 ft²) × BTU per sq ft (35)42,000 BTU
× Load Factor (0.9)37,800 BTU
+ Safety Margin (10%)41,580 BTU
Final BTU Estimate41,580 BTU → 3.5 Ton