Don’t Upsize Your AC, Homeowners: Ask for Manual J Before Sizing
Homeowner AC sizing that works: start with 20 BTU/sq ft, use the BTU chart, and insist on a written Manual J, Manual S, and AHRI match before you buy.
Tru Comfort
Homeowner AC sizing that works: start with 20 BTU/sq ft, use the BTU chart, and insist on a written Manual J, Manual S, and AHRI match before you buy.