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Install accessories

Pre-charged line sets16 to 75 ft, quick connect Line set coverHide the run along the wall Wall bracketMount the outdoor unit off the ground Outdoor padA level base for the condenser Disconnect switch60A non-fused, at the outdoor unit Electrical whipDisconnect to condenser wiring Coupler kitJoin two line sets for a longer run Mini-Stat thermostatWall control and phone app for the mini split Wall air handlerSingle zone or multi-zone, 6K to 36K Ceiling cassetteOne-way, sold alone, 6K to 18K Outdoor unitSingle zone or multi-zone, 9K to 55K

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

Shop line sets

View all accessories Need more than 50 ft? Join a 50 ft line set with a 16 ft or 25 ft one using a coupler kit, for 66 ft or up to 75 ft max.

Home

Single Zone

Shop all single zone →

1How big is the room? One system cools and heats one room

9K BTU 115VUp to 400 sq ft
Bedroom or officefrom$1,249 12K BTU 115V401–550 sq ft
Large bedroomfrom$1,399 18K BTU 230V551–800 sq ft
Living roomfrom$1,690 24K BTU 230V801–1,050 sq ft
Garage or shopfrom$1,899 36K BTU 230V1,051–1,550 sq ft
Open spacefrom$3,769

2Or pick a series Same install, more features as you go up

DIY SelectLowest priceSizes 9K–24Kfrom$1,249

DIY EasyProMid-rangeSizes 9K–24Kfrom$1,487

DIY 5th GenTop of the lineSizes 9K–36Kfrom$2,329

Everything ships in one box

Pre-charged line set, no vacuum pump
9K and 12K run on 115V
Free shipping on kept orders, 48 states

Find your system

Not sure? Call +1 (844) 999-9725

Every single zone system is complete: indoor unit, outdoor unit and a sealed line set in the box. Compare DIY Series

Multi-Zone

Shop all 384 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 Set a different temperature in each room

2 rooms46 systems 3 rooms84 systems 4 rooms103 systems 5 rooms93 systems 6 rooms58 systems

3Or shop by outdoor unit Bigger unit, more rooms and more space

18K BTU2–3 rooms · up to 750 sq ftfrom$2,923

27K BTU2–4 rooms · up to 1,125 sq ftfrom$3,700

36K BTU2–5 rooms · up to 1,500 sq ftfrom$4,375

48K BTU2–6 rooms · up to 2,000 sq ftfrom$5,223

55K BTU2–6 rooms · up to 2,290 sq ftfrom$6,045

How a multi-zone system connects

1outdoor unit outside the house
+1indoor unit in each room
+1pre-charged line set per room

Pick an indoor unit style for each room

Wall unitMounts high on a wall. The most common choice.Shop wall-mount systems →

Ceiling cassetteSits nearly flush in the ceiling, out of sight.Shop cassette systems →

Shop all Multi-Zone

DIY Series

Full comparison chart →

Lowest price

DIY Selectfrom$1,249Efficiency17.5 SEER2Compressor2 yrLine set11.5 ft9K12K18K24K36K

Heats down to −12°F
Lifetime compressor option
Multi-zone, 2 to 6 rooms

Mid-range

DIY EasyProfrom$1,487Efficiency20.2 SEER2Compressor5 yr +Line set11.5 ft9K12K18K24K36K

Heats down to −13°F
Lifetime compressor option
Multi-zone, 2 to 6 rooms

Top of the line

DIY 5th Genfrom$2,329Efficiency23.6 SEER2Compressor7 yr +Line set25 ft9K12K18K24K36K

Heats down to −13°F
Lifetime compressor option
Multi-zone, 2 to 6 rooms

All three install the same way: pre-charged Quick Connect lines, no HVAC tech. Compare every spec

Accessories

View all accessories →

Pre-charged line sets16 to 75 ft, quick connect Line set coverHide the run along the wall Wall bracketMount the outdoor unit off the ground Outdoor padA level base for the condenser Disconnect switch60A non-fused, at the outdoor unit Electrical whipDisconnect to condenser wiring Coupler kitJoin two line sets for a longer run Mini-Stat thermostatWall control and phone app for the mini split Wall air handlerSingle zone or multi-zone, 6K to 36K Ceiling cassetteOne-way, sold alone, 6K to 18K Outdoor unitSingle zone or multi-zone, 9K to 55K

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

Shop line sets

View all accessories Need more than 50 ft? Join a 50 ft line set with a 16 ft or 25 ft one using a coupler kit, for 66 ft or up to 75 ft max.

Support

About us →

Size my systemBTU by square footage, room by room Manuals and specsInstall manuals, spec sheets, brochures Shipping and deliveryFree on kept orders, 48 states Returns and refundsHow a return works, step by step

Before you buy

Mini-Split Mastery GuideHow DIY mini splits work Compare DIY SeriesDIY Select vs DIY EasyPro vs DIY 5th Gen

SpecsSingle zone Multi-zone

Request a quoteCustom systems, Hawaii and Alaska

Manuals and documents

Install manualsSingle zone Multi-zone

Brochures (PDF)DIY Select DIY EasyPro DIY 5th Gen single zone DIY 5th Gen multi-zone

MRCOOL warranty (PDF)DIY Select DIY EasyPro DIY 5th Gen single & multi-zone

Orders and policies

Payment policy Price match policy Military discount Business program FAQOrdering, shipping, returns, DIY DIY guidesSizing, install, cost, line sets

Talk to us before you buy

Need help sizing?

+1 (844) 999-9725

Mon–Fri, 9 AM–5 PM EST

support@cool-minisplits.com Text 302-385-6142

Contact us

Authorized MRCOOL dealer. Full manufacturer warranty on every system.

Contact us

Account

Find your system

Free sizing help by phone +1 (844) 999-9725 Mon–Fri, 9 AM–5 PM EST

Best price guaranteed Free shipping, 48 states

Shop all

Pick where to start. Every system ships free to the 48 states.

Shop by category

Single Zone1 roomOne outdoor unit and one indoor unit. Three DIY series, 9K to 36K BTU.from $1,249

Multi-Zone2 to 6 roomsOne outdoor unit, an indoor unit in every room, each with its own temperature.384 ready-made systems

Multi-ZoneBuild your ownMix wall units and ceiling cassettes, pick each room’s size and line set.See the price as you go

AccessoriesLine set covers, disconnects, whips, pads, brackets and longer line sets.8 products

Need help sizing your unit?

Send us your room sizes and we’ll point you to the right system before you buy.

+1 (844) 999-9725

Mon–Fri, 9 AM–5 PM EST

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