Older Home (Drafty) · Up to 600 ft²
Warm Climate
BTU & Cost Estimate
BTU Required
21,252
BTU/hr
AC Tonnage
2
1 ton = 12,000 BTU/hr
Installation Cost
$7,000 - $12,000
USD
How we calculate
Base area (600 ft²) × BTU per sq ft (28)16,800 BTU
× Load Factor (1.15)19,320 BTU
+ Safety Margin (10%)21,252 BTU
Final BTU Estimate21,252 BTU → 2 Ton