ZoneBtuBTU per head, per room, per orientation — not one number for the house.

Ductless mini-split sizing

ZoneBtu

BTU per head, per room, per orientation — not one number for the house.

  1. 1
    Heating a Whole House With Ductless — What It Takes and Where It Fails

    Ductless heating works well for a whole house, and the number of heads is decided by the doors, not by the floor area.

    3 min read
  2. 2
    Adding a Head to a System That Is Already In

    The question arrives a year later, and the answer was largely determined on the day the first system went in.

    3 min read
  3. 3
    The Electrical Side — Circuits, Disconnects and the Panel Question

    The equipment quote and the electrical quote are frequently written by different people, and the second one is where the surprise lives.

    3 min read
  4. 4
    Sizing a Head for a Garage or Workshop

    The standard rule of thumb assumes a room inside a house. A garage is not one, and applying it gives a number that is too small.

    3 min read

Mini-split BTU per room

78 calculations · BTU per Head · browse all

Mini split size by city

5,976 calculations · BTU per Head · browse all

Mini-split cost by city

1,494 calculations · Cost · browse all