Older Home (Drafty) · 600–900 ft²
Hot & Humid Climate
BTU & Cost Estimate
BTU Required
36,432
BTU/hr
AC Tonnage
3.25
1 ton = 12,000 BTU/hr
Installation Cost
$11,375 - $19,500
USD
How we calculate
Base area (900 ft²) × BTU per sq ft (32)28,800 BTU
× Load Factor (1.15)33,120 BTU
+ Safety Margin (10%)36,432 BTU
Final BTU Estimate36,432 BTU → 3.25 Ton