Skip to content

FrosthubUSA is now Cool Mini Splits. Same company, old name.

  1. Home
  2. Multi-zone systems
  3. Build your own

Build Your Own Multi-Zone System

Mix wall units and ceiling cassettes on one MRCOOL DIY 5th Gen outdoor unit. Pick the outdoor unit, then set up each room.

1

Pick the outdoor unit

sets how many rooms you can add
2

Set up each room

wall unit or ceiling cassette, size, line set
How long should each line set be?

Measure along the wall from where the indoor unit will go to where the outdoor unit will sit, then add 3 ft. Pick the next length up. Extra line set coils behind the outdoor unit. It can’t be cut. 66 and 75 ft are two line sets joined with a coupler kit, included in that price.

3

Add accessories

not in the box, most installs need them