FrosthubUSA is now Cool Mini Splits. Same company, old name.
MRCOOL DIY Single Zone
Shop all single zone →1How big is the room? One system cools and heats one room
2Or pick a line Same install, more features as you go up
Everything ships in one box
Not sure? Call +1 (844) 999-9725
MRCOOL DIY 5th Gen Multi-Zone
Shop all 385 systems →1Build your own system Pick each room’s size, wall unit or ceiling cassette
1Pick an outdoor unit
2Wall unit or cassette
3See the price, add to cart
Build your own →
2Or shop a ready system by rooms Each room gets its own indoor unit and temperature
3Or shop by outdoor unit Bigger unit, more rooms and more space
Three MRCOOL DIY lines, same easy install
Full comparison chart →
DIY Selectfrom$1,249Efficiency17.5 SEER2Compressor2 yrLine set11.5 ft9K12K18K24K36K
DIY EasyProfrom$1,487Efficiency20.2 SEER2Compressor5 yr +Line set11.5 ft9K12K18K24K36K
DIY 5th Genfrom$2,329Efficiency23.6 SEER2Compressor7 yr +Line set25 ft9K12K18K24K36KInstall accessories
View all accessories →Which line set fits?
Each indoor air handler needs its own line set, sized by BTU.
| Indoor unit | 16 ft | 25 ft | 35 ft | 50 ft |
|---|---|---|---|---|
| 6K, 9K, 12K1/4 × 3/8 | $227 | $264 | $502 | $587 |
| 18K1/4 × 1/2 | $239 | $272 | $510 | $599 |
| 24K, 36K3/8 × 5/8 | $271 | $457 | $565 | $662 |
How can we help?
FAQ →Before you buy
Manuals and documents
Orders and policies
Military & Veteran Discount Program
If you're a current or former member of the US Military, National Guard, or Reserve, you qualify. Your unique code works any time, year-round.
