Older Home (Drafty) · 2,200–3,000 ft²
Hot & Humid Climate
BTU & Cost Estimate
BTU Required
121,440
BTU/hr
AC Tonnage
10.25
1 ton = 12,000 BTU/hr
Installation Cost
$35,000 - $60,000
USD
How we calculate
Base area (3,000 ft²) × BTU per sq ft (32)96,000 BTU
× Load Factor (1.15)110,400 BTU
+ Safety Margin (10%)121,440 BTU
Final BTU Estimate121,440 BTU → 10.25 Ton