Older Home (Drafty) · 1,200–1,600 ft²
Cool Climate
BTU & Cost Estimate
BTU Required
60,720
BTU/hr
AC Tonnage
5.25
1 ton = 12,000 BTU/hr
Installation Cost
$18,375 - $31,500
USD
How we calculate
Base area (1,600 ft²) × BTU per sq ft (30)48,000 BTU
× Load Factor (1.15)55,200 BTU
+ Safety Margin (10%)60,720 BTU
Final BTU Estimate60,720 BTU → 5.25 Ton