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Vendor:MRCOOLMRCOOL DIY 5th Gen 3-Zone 45,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with Pre-Charged Line Sets (9K+12K+24K), DIYM348HP
Regular price $6,139.00Sale price $6,139.00 Regular price$7,059.85Save $921In Stock Delivers Aug 19-26 (Est.) -
Vendor:MRCOOLMRCOOL DIY 5th Gen 3-Zone 36,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with Pre-Charged Line Sets (6K+12K+18K), DIYM348HP
Regular price $5,998.00Sale price $5,998.00 Regular price$6,897.70Save $900In Stock Delivers Aug 19-26 (Est.) -
Vendor:MRCOOLMRCOOL DIY 5th Gen 3-Zone 33,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (6K+9K+18K), DIY3-B-48HP
Regular price $5,148.00Sale price $5,148.00 Regular price$6,177.60Save $1,030In Stock Delivers Aug 19-26 (Est.) -
Vendor:MRCOOLMRCOOL DIY 5th Gen 3-Zone 42,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (6K+12K+24K), DIY3-B-48HP
Regular price $5,339.00Sale price $5,339.00 Regular price$6,673.75Save $1,335In Stock Delivers Aug 19-26 (Est.) -
Vendor:MRCOOLMRCOOL DIY 5th Gen 3-Zone 39,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (6K+9K+24K), DIY3-B-48HP
Regular price $5,182.00Sale price $5,182.00 Regular price$5,700.20Save $518In Stock Delivers Aug 19-26 (Est.) -
Vendor:MRCOOLMRCOOL DIY 5th Gen 3-Zone 42,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (6K+18K+18K), DIY3-B-55HP
Regular price $6,128.00Sale price $6,128.00 Regular price$6,740.80Save $613In Stock Delivers Aug 19-26 (Est.) -
Vendor:MRCOOLMRCOOL DIY 5th Gen 3-Zone 48,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (12K+18K+18K), DIY3-B-48HP
Regular price $5,779.00Sale price $5,779.00 Regular price$6,356.90Save $578In Stock Delivers Aug 19-26 (Est.) -
Vendor:MRCOOLMRCOOL DIY 5th Gen 3-Zone 48,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with Pre-Charged Line Sets (6K+18K+24K), DIYM355HP
Regular price $6,899.00Sale price $6,899.00 Regular price$7,870.50Save $972In Stock Delivers Aug 19-26 (Est.) -
Vendor:MRCOOLMRCOOL DIY 5th Gen 3-Zone 30,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (9K+9K+12K), DIY3-B-36HP
Regular price $4,296.00Sale price $4,296.00 Regular price$4,725.60Save $430In Stock Delivers Aug 19-26 (Est.) -
Vendor:MRCOOLMRCOOL DIY 5th Gen 3-Zone 24,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with Pre-Charged Line Sets (6K+9K+9K), DIYM327HP
Regular price $4,302.00Sale price $4,302.00 Regular price$4,732.20Save $430In Stock Delivers Aug 19-26 (Est.) -
Vendor:MRCOOLMRCOOL DIY 5th Gen 3-Zone 48,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with Pre-Charged Line Sets (6K+6K+36K), DIYM355HP
Regular price $6,729.00Sale price $6,729.00 Regular price$7,401.90Save $673In Stock Delivers Aug 19-26 (Est.) -
Vendor:MRCOOLMRCOOL DIY 5th Gen 3-Zone 54,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with Pre-Charged Line Sets (6K+12K+36K), DIYM355HP
Regular price $6,961.00Sale price $6,961.00 Regular price$7,943.10Save $982In Stock Delivers Aug 19-26 (Est.) -
Vendor:MRCOOLMRCOOL DIY 5th Gen 3-Zone 42,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with Pre-Charged Line Sets (6K+18K+18K), DIYM355HP
Regular price $6,833.00Sale price $6,833.00 Regular price$7,629.60Save $797In Stock Delivers Aug 19-26 (Est.) -
Regular price $7,131.00Sale price $7,131.00 Regular price$7,844.10Save $713In Stock Delivers Aug 19-26 (Est.) -
Vendor:MRCOOLMRCOOL DIY 5th Gen 3-Zone 33,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with Pre-Charged Line Sets (9K+12K+12K), DIYM348HP
Regular price $5,819.00Sale price $5,819.00 Regular price$6,400.90Save $582In Stock Delivers Aug 19-26 (Est.) -
Vendor:MRCOOLMRCOOL DIY 5th Gen 3-Zone 36,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (12K+12K+12K), DIY3-B-48HP
Regular price $5,295.00Sale price $5,295.00 Regular price$5,824.50Save $530In Stock Delivers Aug 19-26 (Est.) -
SALE
Vendor:MRCOOLMRCOOL DIY 5th Gen 3-Zone 27,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (9K+9K+9K), DIY3-B-27HP
Regular price $3,696.00Sale price $3,696.00 Regular price$4,065.60Save $370In Stock Delivers Aug 19-26 (Est.) -
Vendor:MRCOOLMRCOOL DIY 5th Gen 3-Zone 30,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with Pre-Charged Line Sets (6K+6K+18K), DIYM336HP
Regular price $5,081.00Sale price $5,081.00 Regular price$5,589.10Save $508In Stock Delivers Aug 19-26 (Est.) -
Vendor:MRCOOLMRCOOL DIY 5th Gen 3-Zone 48,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (12K+18K+18K), DIY3-B-55HP
Regular price $6,360.00Sale price $6,360.00 Regular price$7,950.00Save $1,590In Stock Delivers Aug 19-26 (Est.) -
Vendor:MRCOOLMRCOOL DIY 5th Gen 3-Zone 24,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with Pre-Charged Line Sets (6K+6K+12K), DIYM336HP
Regular price $4,827.00Sale price $4,827.00 Regular price$5,309.70Save $483In Stock Delivers Aug 19-26 (Est.) -
Vendor:MRCOOLMRCOOL DIY 5th Gen 3-Zone 54,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (9K+9K+36K), DIY3-B-55HP
Regular price $6,154.00Sale price $6,154.00 Regular price$7,077.10Save $923In Stock Delivers Aug 19-26 (Est.) -
Vendor:MRCOOLMRCOOL DIY 5th Gen 3-Zone 36,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (9K+9K+18K), DIY3-B-48HP
Regular price $5,223.00Sale price $5,223.00 Regular price$6,528.75Save $1,306In Stock Delivers Aug 19-26 (Est.) -
Vendor:MRCOOLMRCOOL DIY 5th Gen 3-Zone 54,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (6K+24K+24K), DIY3-B-55HP
Regular price $6,196.00Sale price $6,196.00 Regular price$7,125.40Save $929In Stock Delivers Aug 19-26 (Est.)
Upgrade your home comfort with the MRCOOL DIY 3 Zone Mini Split, part of the revolutionary 5th Generation MRCOOL DIY Multi-Zone Series. Designed as the first and only true do-it-yourself ductless mini split heat pump system, MRCOOL makes it possible for homeowners to install professional-grade heating and cooling without the need for specialized tools or costly labor.
With the 3 Zone MRCOOL DIY, you can efficiently heat or cool three different spaces from a single outdoor condenser. Whether it’s bedrooms, offices, or living areas, you’ll enjoy powerful climate control that adapts to your lifestyle.
Why Choose MRCOOL DIY 3 Zone Mini Splits?
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Quick Connect® Line Sets – Pre-charged with eco-friendly R-454B refrigerant, eliminating the need for vacuuming or charging.
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True DIY Installation – No professional tools required. Install it yourself in just a few hours.
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Smart Climate Control – Works with the MRCOOL SmartHVAC app, Amazon Alexa, and Google Assistant. Adjust temperature from anywhere with your phone or voice.
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All-Weather Performance – Delivers steady heating from –13°F to 75°F and dependable cooling up to 122°F. Perfect for year-round comfort.
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Energy Efficient – High SEER2 ratings mean lower utility bills and a greener home.
Comfort, Redefined
With MRCOOL DIY 3 Zone Mini Splits, you’re not just getting heating and cooling—you’re getting climate mastery. Enjoy whisper-quiet operation, automatic temperature adjustments, auto-restart after power outages, and total control from anywhere. From freezing winters to scorching summers, MRCOOL delivers unmatched reliability and comfort.
At Premium Home Source, we proudly carry the complete line of MRCOOL DIY Multi-Zone Mini Splits, including the 3 Zone models perfect for homeowners seeking an easy, affordable, and energy-efficient HVAC solution.