Single Zone vs Multi Zone Mini Split: Stop Guessing | Ductless BTU Sizing & Installation Cost Guide
The $9,600 gap between the two ductless retrofits we monitored last year came down to one decision: single zone or multi zone. Both homes were 1,420 square feet. Both got ENERGY STAR-certified equipment. One ran a single head sized for an open main floor. The other ran four heads zoned room by room. Six months … Read more