9,000 & 12,000 BTU Mini Split Systems

Understanding 9,000 & 12,000 BTU Mini Split Systems

These smaller-capacity systems are perfect for single rooms, home offices, additions, or spaces where targeted heating and cooling is needed without the complexity of a multi-zone setup. The outdoor condenser is sized to match a single indoor air handler, delivering efficient, room-specific comfort.

For example:

9,000 BTU system → Ideal for small bedrooms, home offices, or sunrooms up to ~350 sq. ft.

12,000 BTU system → Perfect for master bedrooms, living rooms, or open spaces up to ~550 sq. ft.

Not sure if this is the right size? Use our Mini Split Sizing Guide to match BTU to your space.

This allows you to:

Add heating and cooling to a single room without ductwork
Supplement an existing HVAC system for problem areas
Enjoy ultra-quiet operation and energy efficiency

Want to understand total project costs? See our Mini Split Cost Guide.

Great for garage conversions, ADUs, basement finishes, or any space where you want independent temperature control without affecting the rest of the home.