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Browse all MRCOOL products on HVAC Commercial — mini-splits, central ducted systems, packaged units, geothermal, accessories, and more. All products, all series, one place.

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MRCOOL DIY 5th Gen 50ft 1/4x3/8 R-454B Line Set with DIYPro Cable for 6K-12K | DIY50-1438C-O
$675.98 - $675.98
$675.98
$675.98 - $675.98
$675.98

MRCOOL DIY 5th Gen 50ft 1/4 x 3/8 R-454B Lineset w/ DIY Pro Cable DIY50-1438C-O

MRCOOL
In stock

50ft 1/4" x 3/8" pre-charged R-454B lineset with DIY Pro Cable for DIY 5th Gen 6K, 9K & 12K indoor units. Length: 50 ft Liquid Line: 1/4" | Suc...

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$675.98 - $675.98
$675.98
$675.98 - $675.98
$675.98
MRCOOL DIY 5th Gen 50ft 1/4x1/2 R-454B Line Set with DIYPro Cable for 9K-18K | DIY50-1412C-O
$688.98 - $688.98
$688.98
$688.98 - $688.98
$688.98

MRCOOL DIY 5th Gen 50ft 1/4 x 1/2 R-454B Lineset w/ DIY Pro Cable DIY50-1412C-O

MRCOOL
In stock

50ft 1/4" x 1/2" pre-charged R-454B lineset with DIY Pro Cable for DIY 5th Gen 18K indoor units. Length: 50 ft Liquid Line: 1/4" | Suction Line: 1/...

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$688.98 - $688.98
$688.98
$688.98 - $688.98
$688.98
MRCOOL DIY 5th Gen 50ft 3/8x5/8 R-454B Line Set with DIYPro Cable for 24K-36K | DIY50-3858C-O
$761.98 - $761.98
$761.98
$761.98 - $761.98
$761.98

MRCOOL DIY 5th Gen 50ft 3/8 x 5/8 R-454B Lineset w/ DIY Pro Cable DIY50-3858C-O

MRCOOL
In stock

50ft 3/8" x 5/8" pre-charged R-454B lineset with DIY Pro Cable for DIY 5th Gen 24K & 36K indoor units. Length: 50 ft Liquid Line: 3/8" | Suctio...

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$761.98 - $761.98
$761.98
$761.98 - $761.98
$761.98
MRCOOL DIY 4th Gen 16ft 1/4x1/2 R-410A Pre-Charged Line Set for 9K-18K | DIY16-1412
$235.98 - $235.98
$235.98
$235.98 - $235.98
$235.98

MRCOOL DIY 4th Gen 16ft 1/4 x 1/2 R-410A Lineset DIY16-1412

MRCOOL
In stock

16ft 1/4" x 1/2" R-410A lineset for MRCOOL DIY 4th Gen 9K, 12K & 18K indoor units. Length: 16 ft Liquid Line: 1/4" | Suction Line: 1/2" Refrige...

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$235.98 - $235.98
$235.98
$235.98 - $235.98
$235.98
MRCOOL DIY 4th Gen 25ft 1/4x1/2 R-410A Pre-Charged Line Set for 9K-18K | DIY25-1412
$267.98 - $267.98
$267.98
$267.98 - $267.98
$267.98

MRCOOL DIY 4th Gen 25ft 1/4 x 1/2 R-410A Lineset DIY25-1412

MRCOOL
In stock

25ft 1/4" x 1/2" R-410A lineset for MRCOOL DIY 4th Gen 9K, 12K & 18K indoor units.Length: 25 ft | Liquid: 1/4" | Suction: 1/2" | R-410A compatible

$267.98 - $267.98
$267.98
$267.98 - $267.98
$267.98
MRCOOL DIY 4th Gen 16ft 3/8x5/8 R-410A Pre-Charged Line Set for 24K-36K | DIY16-3858
$265.98 - $265.98
$265.98
$265.98 - $265.98
$265.98

MRCOOL DIY 4th Gen 16ft 3/8 x 5/8 R-410A Lineset DIY16-3858

MRCOOL
In stock

16ft 3/8 x 5/8 Lineset for DIY 24K & 36K Indoor Technical Specifications Length 16 ft Liquid Line Size 3/8 in. Suction Line Size 5/8 in. ...

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$265.98 - $265.98
$265.98
$265.98 - $265.98
$265.98
MRCOOL DIY 4th Gen 25ft 3/8x5/8 R-410A Pre-Charged Line Set for 24K-36K | DIY25-3858
$294.98 - $294.98
$294.98
$294.98 - $294.98
$294.98

MRCOOL DIY 4th Gen 25ft 3/8 x 5/8 R-410A Lineset DIY25-3858

MRCOOL
In stock

25ft 3/8" x 5/8" R-410A lineset for MRCOOL DIY 4th Gen 24K & 36K indoor units.Length: 25 ft | Liquid: 3/8" | Suction: 5/8" | R-410A compatible

$294.98 - $294.98
$294.98
$294.98 - $294.98
$294.98
MRCOOL DIY 4th Gen 35ft 1/4x1/2 R-410A Line Set with Cable for 9K-18K | DIY35-1412C
$503.98 - $503.98
$503.98
$503.98 - $503.98
$503.98

MRCOOL DIY 4th Gen 35ft 1/4 x 1/2 R-410A Lineset w/ Cable DIY35-1412C

MRCOOL
In stock

35ft 1/4" x 1/2" R-410A lineset with cable for MRCOOL DIY 4th Gen 9K, 12K & 18K indoor units.Length: 35 ft | Liquid: 1/4" | Suction: 1/2" | Inc...

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$503.98 - $503.98
$503.98
$503.98 - $503.98
$503.98
MRCOOL DIY 4th Gen 35ft 3/8x5/8 R-410A Line Set with Cable for 24K-36K | DIY35-3858C
$555.98 - $555.98
$555.98
$555.98 - $555.98
$555.98

MRCOOL DIY 4th Gen 35ft 3/8 x 5/8 R-410A Lineset w/ Cable DIY35-3858C

MRCOOL
In stock

DIY 4th Generation 35ft 3/8 x 5/8 Lineset for DIY 24K & 36K Indoor Technical Specifications Length 35 ft Liquid Line Size 3/8 in. Suction...

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$555.98 - $555.98
$555.98
$555.98 - $555.98
$555.98
MRCOOL DIY 4th Gen 50ft 1/4x1/2 R-410A Line Set with Cable for 9K-18K | DIY50-1412C
$589.98 - $589.98
$589.98
$589.98 - $589.98
$589.98

MRCOOL DIY 4th Gen 50ft 1/4 x 1/2 R-410A Lineset w/ Cable DIY50-1412C

MRCOOL
In stock

50ft 1/4" x 1/2" R-410A lineset with cable for MRCOOL DIY 4th Gen 9K, 12K & 18K indoor units.Length: 50 ft | Liquid: 1/4" | Suction: 1/2" | Inc...

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$589.98 - $589.98
$589.98
$589.98 - $589.98
$589.98
MRCOOL DIY 4th Gen 50ft 3/8x5/8 R-410A Line Set with Cable for 24K-36K | DIY50-3858C
$649.98 - $649.98
$649.98
$649.98 - $649.98
$649.98

MRCOOL DIY 4th Gen 50ft 3/8 x 5/8 R-410A Lineset w/ Cable DIY50-3858C

MRCOOL
In stock

50ft 3/8" x 5/8" R-410A lineset with cable for MRCOOL DIY 4th Gen 24K & 36K indoor units.Length: 50 ft | Liquid: 3/8" | Suction: 5/8" | Include...

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$649.98 - $649.98
$649.98
$649.98 - $649.98
$649.98
MRCOOL Olympus 16ft 1/4x3/8 Copper Flared Line Set for 9K-12K Mini-Split | MC16-1438
$139.98 - $139.98
$139.98
$139.98 - $139.98
$139.98

MRCOOL Olympus 16ft 1/4 x 3/8 Copper Lineset w/ Wire MC16-1438

MRCOOL
In stock

16ft 1/4" x 3/8" copper lineset with wire for MRCOOL Olympus 9K & 12K indoor units.Length: 16 ft | Liquid: 1/4" | Suction: 3/8" | Includes wire...

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$139.98 - $139.98
$139.98
$139.98 - $139.98
$139.98
MRCOOL Olympus 16ft 1/4x1/2 Copper Flared Line Set for 9K-18K Mini-Split | MC16-1412
$152.98 - $152.98
$152.98
$152.98 - $152.98
$152.98

MRCOOL Olympus 16ft 1/4 x 1/2 Copper Lineset w/ Wire MC16-1412

MRCOOL
In stock

16ft 1/4" x 1/2" copper lineset with wire for MRCOOL Olympus 18K indoor units.Length: 16 ft | Liquid: 1/4" | Suction: 1/2" | Includes wire | R-410A...

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$152.98 - $152.98
$152.98
$152.98 - $152.98
$152.98
MRCOOL Olympus 16ft 3/8x5/8 Copper Flared Line Set for 24K Mini-Split | MC16-3858
$165.98 - $165.98
$165.98
$165.98 - $165.98
$165.98

MRCOOL Olympus 16ft 3/8 x 5/8 Copper Lineset w/ Wire MC16-3858

MRCOOL
In stock

16ft 3/8" x 5/8" copper lineset with wire for MRCOOL Olympus 24K indoor units.Length: 16 ft | Liquid: 3/8" | Suction: 5/8" | Includes wire | R-410A...

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$165.98 - $165.98
$165.98
$165.98 - $165.98
$165.98
MRCOOL Olympus 25ft 1/4x3/8 Copper Flared Line Set for 9K-12K Mini-Split | MC25-1438
$144.98 - $144.98
$144.98
$144.98 - $144.98
$144.98

MRCOOL Olympus 25ft 1/4 x 3/8 Copper Lineset w/ Wire MC25-1438

MRCOOL
In stock

25ft 1/4" x 3/8" copper lineset with wire for MRCOOL Olympus 9K & 12K indoor units.Length: 25 ft | Liquid: 1/4" | Suction: 3/8" | Includes wire...

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$144.98 - $144.98
$144.98
$144.98 - $144.98
$144.98
MRCOOL Olympus 25ft 1/4x1/2 Copper Flared Line Set for 9K-18K Mini-Split | MC25-1412
$157.98 - $157.98
$157.98
$157.98 - $157.98
$157.98

MRCOOL Olympus 25ft 1/4 x 1/2 Copper Lineset w/ Wire MC25-1412

MRCOOL
In stock

25ft 1/4" x 1/2" copper lineset with wire for MRCOOL Olympus 18K indoor units.Length: 25 ft | Liquid: 1/4" | Suction: 1/2" | Includes wire | R-410A...

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$157.98 - $157.98
$157.98
$157.98 - $157.98
$157.98
MRCOOL Olympus 25ft 3/8x5/8 Copper Flared Line Set for 24K Mini-Split | MC25-3858
$173.98 - $173.98
$173.98
$173.98 - $173.98
$173.98

MRCOOL Olympus 25ft 3/8 x 5/8 Copper Lineset w/ Wire MC25-3858

MRCOOL
In stock

25ft 3/8" x 5/8" copper lineset with wire for MRCOOL Olympus 24K indoor units.Length: 25 ft | Liquid: 3/8" | Suction: 5/8" | Includes wire | R-410A...

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$173.98 - $173.98
$173.98
$173.98 - $173.98
$173.98
MRCOOL Olympus 50ft 1/4x3/8 Copper Flared Line Set for 9K-12K Mini-Split | MC50-1438K
$354.98 - $354.98
$354.98
$354.98 - $354.98
$354.98

MRCOOL Olympus 50ft 1/4 x 3/8 Copper Lineset MC50-1438K

MRCOOL
In stock

50ft 1/4" x 3/8" copper lineset for MRCOOL Olympus 9K & 12K indoor units.Length: 50 ft | Liquid: 1/4" | Suction: 3/8" | R-410A compatible

$354.98 - $354.98
$354.98
$354.98 - $354.98
$354.98
MRCOOL Olympus 50ft 1/4x1/2 Copper Flared Line Set for 9K-18K Mini-Split | MC50-1412K
$362.98 - $362.98
$362.98
$362.98 - $362.98
$362.98

MRCOOL Olympus 50ft 1/4 x 1/2 Copper Lineset MC50-1412K

MRCOOL
In stock

50ft 1/4" x 1/2" copper lineset for MRCOOL Olympus 18K indoor units.Length: 50 ft | Liquid: 1/4" | Suction: 1/2" | R-410A compatible

$362.98 - $362.98
$362.98
$362.98 - $362.98
$362.98
MRCOOL Olympus 50ft 3/8x5/8 Copper Flared Line Set for 24K Mini-Split | MC50-3858K
$378.98 - $378.98
$378.98
$378.98 - $378.98
$378.98

MRCOOL Olympus 50ft 3/8 x 5/8 Copper Lineset MC50-3858K

MRCOOL
In stock

50ft 3/8" x 5/8" copper lineset for MRCOOL Olympus 24K indoor units.Length: 50 ft | Liquid: 3/8" | Suction: 5/8" | R-410A compatible

$378.98 - $378.98
$378.98
$378.98 - $378.98
$378.98
MRCOOL DIY Line Set Coupler Kit 3/8x5/8 24K-36K with 75ft Wire | DIYCOUPLER-3858K75
$225.98 - $225.98
$225.98
$225.98 - $225.98
$225.98

MRCOOL DIY Line Set Coupler Kit 24K/36K w/ 75ft Wire DIYCOUPLER-3858K75

MRCOOL
In stock

The MRCOOL DIY Coupler Kit (DIYCOUPLER-3858K75) extends a DIY lineset run with two coupler sets and 75ft of communication wire. For 24K and 36K sys...

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$225.98 - $225.98
$225.98
$225.98 - $225.98
$225.98
MRCOOL Condenser Wall Bracket Kit for 9K 12K 18K Mini-Split | MB176
$88.98 - $88.98
$88.98
$88.98 - $88.98
$88.98

MRCOOL Condenser Wall Bracket 9K/12K/18K MB176

MRCOOL
In stock

Condenser Wall Mounting Kit for 9k to 18k BTU MRCOOL Ductless Split System. Designed for secure outdoor wall installation of compatible MRCOOL mini...

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$88.98 - $88.98
$88.98
$88.98 - $88.98
$88.98
MRCOOL Condenser Wall Bracket Kit for 24K 36K Mini-Split | MB440A
$139.98 - $139.98
$139.98
$139.98 - $139.98
$139.98

MRCOOL Condenser Wall Bracket 24K/36K MB440A

MRCOOL
In stock

24k & 36k BTU MRCOOL Ductless Split System Condenser Wall Mounting Kit. Designed for secure outdoor wall installation of compatible MRCOOL mini...

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$139.98 - $139.98
$139.98
$139.98 - $139.98
$139.98
MRCOOL LP Propane Conversion Kit Signature Single-Stage Furnace | MLP1SS
$254.98 - $254.98
$254.98
$254.98 - $254.98
$254.98

MRCOOL LP Conversion Kit Signature Series Single-Stage MLP1SS

MRCOOL
In stock

MRCOOL® Propane Conversion Kit for Signature Series Single Stage Gas Furnace. Converts compatible MRCOOL Signature Series single-stage gas furnaces...

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$254.98 - $254.98
$254.98
$254.98 - $254.98
$254.98