FAQ: **1. What size mini split do I need for 800 square feet?** For an 800 sq ft space, you typically need a mini-split system with a capacity of around 18,000 to 24,000 BTUs.**2. What size AC unit for 800 square feet?** An AC unit for an 800 sq ft space should have a capacity of about 18,000 to 24,000 BTUs.**3. How big of a heat pump for an 800 sq ft house?** For an 800 sq ft house, you would need a heat pump with a capacity of around 18,000 to 24,000 BTUs.**4. How many square feet will a 24,000 BTU mini split cool?** A 24,000 BTU mini split can cool approximately 1,000 to 1,500 sq ft, depending on factors like insulation and climate. Blogs: