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DIY Multi-Zone

The MRCOOL DIY® Multi-Zone Series ductless mini-split is the only whole-home mini-split solution that you can install yourself. Simple, easy air comfort in up to four zones. 

Mr. Cool 16ft 1/4 x 1/2 Lineset for DIY 9K, 12K & 18K Sizes Mr. Cool 16ft 1/4 x 1/2 Lineset for DIY 9K, 12K & 18K Sizes
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Mr. Cool 16ft 1/4 x 1/2 Lineset for DIY 9K, 12K & 18K Sizes
$288.69

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Mr. Cool 16ft 3/8 x 5/8 Lineset for DIY 24K & 36K Sizes Mr. Cool 16ft 3/8 x 5/8 Lineset for DIY 24K & 36K Sizes
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Mr. Cool 16ft 3/8 x 5/8 Lineset for DIY 24K & 36K Sizes
$334.16

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Mr. Cool 25ft 1/4 x 1/2 Lineset for DIY 9K, 12K & 18K Sizes Mr. Cool 25ft 1/4 x 1/2 Lineset for DIY 9K, 12K & 18K Sizes
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Mr. Cool 25ft 1/4 x 1/2 Lineset for DIY 9K, 12K & 18K Sizes
$348.25

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Mr. Cool 25ft 3/8 x 5/8 Lineset for DIY 24K & 36K Sizes Mr. Cool 25ft 3/8 x 5/8 Lineset for DIY 24K & 36K Sizes
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Mr. Cool 25ft 3/8 x 5/8 Lineset for DIY 24K & 36K Sizes
$269.39

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Mr. Cool DIY-09-HP-WMAH-230B 9K BTU Heat Pump Wall Mount Air Handler (AIR HANDLER ONLY)
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Mr. Cool DIY-09-HP-WMAH-230B 9K BTU Heat Pump Wall Mount Air Handler (AIR HANDLER ONLY)
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Description:MRCOOL | DIY-09-HP-WMAH-230B9K BTU Heat Pump Wall Mount Air Handler230 volt with En..

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Mr. Cool DIY-09-HP-WMAH-230C25 4th Generation 9K BTU Heat Pump Wall Mount Air Handler (AIR HANDLER ONLY) Mr. Cool DIY-09-HP-WMAH-230C25 4th Generation 9K BTU Heat Pump Wall Mount Air Handler (AIR HANDLER ONLY)
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Mr. Cool DIY-09-HP-WMAH-230C25 4th Generation 9K BTU Heat Pump Wall Mount Air Handler (AIR HANDLER ONLY)
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MRCOOL® DIY 4th Generation 9K BTU Heat Pump Wall Mount Air Handler 230 volt with 25ft DIYPro Cable a..

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Mr. Cool DIY-12-HP-WMAH-230B DIY 12,000 BTU 1 Ton Ductless Mini-Split Wall Mounted Air Handler Mr. Cool DIY-12-HP-WMAH-230B DIY 12,000 BTU 1 Ton Ductless Mini-Split Wall Mounted Air Handler
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Mr. Cool DIY-12-HP-WMAH-230B DIY 12,000 BTU 1 Ton Ductless Mini-Split Wall Mounted Air Handler
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MRCOOL® DIY 12,000 BTU 1 Ton Ductless Mini-Split Wall Mounted Air Handler - 230V/60HzChoose the DIY ..

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Mr. Cool DIY-12-HP-WMAH-230C25 4th Generation 12K BTU Heat Pump Wall Mount Air Handler (AIR HANDLER ONLY) Mr. Cool DIY-12-HP-WMAH-230C25 4th Generation 12K BTU Heat Pump Wall Mount Air Handler (AIR HANDLER ONLY)
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Mr. Cool DIY-12-HP-WMAH-230C25 4th Generation 12K BTU Heat Pump Wall Mount Air Handler (AIR HANDLER ONLY)
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MRCOOL® DIY 4th Generation 12K BTU Heat Pump Wall Mount Air Handler 230 volt with Enhanced WiFi (Wor..

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Mr. Cool DIY-MULTI2-18HP230C 2-Zone Heat Pump 4th Gen Mr. Cool DIY-MULTI2-18HP230C 2-Zone Heat Pump 4th Gen
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Mr. Cool DIY-MULTI2-18HP230C 2-Zone Heat Pump 4th Gen
$1,542.65

USE THE DISCOUNT CODE BECOOL AT CHECKOUT AND SAVE 6%Combinations:9+99+1212+12Description: The 4..

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Mr. Cool DIY-MULTI3-27HP230C 3-Zone Heat Pump 4th Gen Mr. Cool DIY-MULTI3-27HP230C 3-Zone Heat Pump 4th Gen
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Mr. Cool DIY-MULTI3-27HP230C 3-Zone Heat Pump 4th Gen
$1,873.00

USE THE DISCOUNT CODE BECOOL AT CHECKOUT AND SAVE 6%Combinations:TWO UNITS:9+99+129+1812+1212+1818+1..

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Mr. Cool DIY-MULTI4-36HP230C 4-Zone Heat Pump 4th Gen Mr. Cool DIY-MULTI4-36HP230C 4-Zone Heat Pump 4th Gen
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Mr. Cool DIY-MULTI4-36HP230C 4-Zone Heat Pump 4th Gen
$2,147.00

USE THE DISCOUNT CODE BECOOL AT CHECKOUT AND SAVE 6%Combinations:TWO UNITS:9+99+2412+249+1212+1218+1..

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Mr. Cool DIY-MULTI4-36HP230C Condenser Only
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Mr. Cool DIY-MULTI4-36HP230C Condenser Only
$2,352.00

USE THE DISCOUNT CODE BECOOL AT CHECKOUT AND SAVE 6%Description: The 4th Generation MrCool DIY ..

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Mr. Cool DIY-MULTI5-48HP230C 5-Zone Heat Pump 4th Gen Mr. Cool DIY-MULTI5-48HP230C 5-Zone Heat Pump 4th Gen
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Mr. Cool DIY-MULTI5-48HP230C 5-Zone Heat Pump 4th Gen
$3,135.00

USE THE DISCOUNT CODE BECOOL AT CHECKOUT AND SAVE 6%Combinations:Two Units  Three UnitsFo..

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Mr. Cool DIY35-3858C 35' 3/8 x 5/8 Line Set for DIY Single and Multi
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Mr. Cool DIY35-3858C 35' 3/8 x 5/8 Line Set for DIY Single and Multi
$479.50

USE DISCOUNT CODE BECOOL AT CHECKOUT AND SAVE 6%DIY 4th Generation 35ft 3/8 x 5/8 Lineset for DIY 24..

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Mr. Cool DIYCASSETTE09HP-230C25 DIY 4th Gen Multi-Zone 9k Ceiling Cassette Mr. Cool DIYCASSETTE09HP-230C25 DIY 4th Gen Multi-Zone 9k Ceiling Cassette
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Mr. Cool DIYCASSETTE09HP-230C25 DIY 4th Gen Multi-Zone 9k Ceiling Cassette
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MRCOOL® DIY 4th Gen Multi-Zone 9k Ceiling Cassette with 25ft DIYPro Cable.The MRCOOL® DIY® Series 9k..

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Mr. Cool DIYCASSETTE12HP-230C25 4th Gen Multi-Zone 12k Ceiling Cassette Mr. Cool DIYCASSETTE12HP-230C25 4th Gen Multi-Zone 12k Ceiling Cassette
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Mr. Cool DIYCASSETTE12HP-230C25 4th Gen Multi-Zone 12k Ceiling Cassette
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MRCOOL® DIY 4th Gen Multi-Zone 12k Ceiling Cassette with 25ft DIYPro CableWith an easy, low profile ..

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Mr. Cool DIYCASSETTE18HP-230C25 4th Gen Multi-Zone 18k Ceiling Cassette Mr. Cool DIYCASSETTE18HP-230C25 4th Gen Multi-Zone 18k Ceiling Cassette
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Mr. Cool DIYCASSETTE18HP-230C25 4th Gen Multi-Zone 18k Ceiling Cassette
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MRCOOL® DIY 4th Gen Multi-Zone 18k Ceiling Cassette with 25ft DIYPro CableThe MRCOOL® DIY® Series 18..

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Mr. Cool DIYCOUPLER-1412K50 1/4 X 1/2 Coupler with 50' Wire
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Mr. Cool DIYCOUPLER-1412K50 1/4 X 1/2 Coupler with 50' Wire
$152.18

USE DISCOUNT CODE BECOOL AT CHECKOUT AND SAVE 6%DIYCOUPLER-14 + DIYCOUPLER-12 w/ 50 ft of Communicat..

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Mr. Cool DIYCOUPLER-1412K75 1/4 X 1/2 Coupler with 75' Wire
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Mr. Cool DIYCOUPLER-1412K75 1/4 X 1/2 Coupler with 75' Wire
$391.62

USE DISCOUNT CODE BECOOL AT CHECKOUT AND SAVE 6%DIYCOUPLER-14 + DIYCOUPLER-12 (Two Sets) w/ 75 ft of..

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Mr. Cool DIYCOUPLER-3858K50 3/8 X 5/8 Coupler with 50' Wire
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Mr. Cool DIYCOUPLER-3858K50 3/8 X 5/8 Coupler with 50' Wire
$123.12

USE DISCOUNT CODE BECOOL AT CHECKOUT AND SAVE 6%DIYCOUPLER-38 + DIYCOUPLER-58 w/ 50 ft of Communicat..

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Mr. Cool DIYCOUPLER-3858K75 3/8 X 5/8 Coupler with 75' Wire
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Mr. Cool DIYCOUPLER-3858K75 3/8 X 5/8 Coupler with 75' Wire
$274.12

USE DISCOUNT CODE BECOOL AT CHECKOUT AND SAVE 6%DIYCOUPLER-38 + DIYCOUPLER-58 (Two Sets) w/ 75 ft of..

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