Origin Electronics Smart AC BTU Calculator Get an instant, optimized cooling recommendation for your residential space. Room Size (Square Feet) * 70 - 120Sq. Ft. 120 - 180 Sq. Ft. 180 - 220 Sq. Ft. 220 - 300 Sq. Ft. 300 - 350 Sq. Ft. 350 - 400 Sq. Ft. Wall / Window Type * Standard Facebrick Single Layer Glass Window Double Layer Glass Window Sun-Exposed Walls * None (Shaded) 1 Wall 2 Walls 3 Walls 4 Walls Floor Position * Ground / Intermediate Floor Top Floor (Direct Roof Heat) Total Windows * 1 Window 2 Windows 3 Windows 4+ Windows Total Doors * 1 Door 2 Doors 3+ Doors Average Occupants * 1 Person 2 People 3 People 4+ People Calculate System Capacity Recalculate Recommended AC Size 0 Ton
