Older Home (Drafty) · 2,200–3,000 ft²
Cool Climate
BTU & Cost Estimate
BTU Required
113,850
BTU/hr
AC Tonnage
9.5
1 ton = 12,000 BTU/hr
Installation Cost
$33,250 - $57,000
USD
How we calculate
Base area (3,000 ft²) × BTU per sq ft (30)90,000 BTU
× Load Factor (1.15)103,500 BTU
+ Safety Margin (10%)113,850 BTU
Final BTU Estimate113,850 BTU → 9.5 Ton