Townhouse · 900–1,200 ft²
Cold Climate
BTU & Cost Estimate
BTU Required
43,890
BTU/hr
AC Tonnage
3.75
1 ton = 12,000 BTU/hr
Installation Cost
$13,125 - $22,500
USD
How we calculate
Base area (1,200 ft²) × BTU per sq ft (35)42,000 BTU
× Load Factor (0.95)39,900 BTU
+ Safety Margin (10%)43,890 BTU
Final BTU Estimate43,890 BTU → 3.75 Ton