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Vendor:MRCOOLMRCOOL DIY 5th Gen 4-Zone 36,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (9K+9K+9K+9K), DIY4-B-36HP
Regular price $4,671.00Sale price $4,671.00 Regular price$5,838.75Save $1,168In Stock Delivers Aug 24-31 (Est.) -
Vendor:MRCOOLMRCOOL DIY 5th Gen 4-Zone 54,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (9K+9K+12K+24K), DIY4-B-55HP
Regular price $6,527.00Sale price $6,527.00 Regular price$7,440.78Save $914In Stock Delivers Aug 24-31 (Est.) -
Vendor:MRCOOLMRCOOL DIY 5th Gen 4-Zone 30,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (6K+6K+9K+9K), DIY4-B-27HP
Regular price $4,078.00Sale price $4,078.00 Regular price$4,689.70Save $612In Stock Delivers Aug 24-31 (Est.) -
Vendor:MRCOOLMRCOOL DIY 5th Gen 4-Zone 33,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (6K+6K+9K+12K), DIY4-B-36HP
Regular price $4,678.00Sale price $4,678.00 Regular price$6,081.40Save $1,403In Stock Delivers Aug 24-31 (Est.) -
Vendor:MRCOOLMRCOOL DIY 5th Gen 4-Zone 30,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (6K+6K+6K+12K), DIY4-B-27HP
Regular price $4,169.00Sale price $4,169.00 Regular price$4,585.90Save $417In Stock Delivers Aug 24-31 (Est.) -
Vendor:MRCOOLMRCOOL DIY 5th Gen 4-Zone 54,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (9K+9K+12K+24K), DIY4-B-48HP
Regular price $5,955.00Sale price $5,955.00 Regular price$7,920.15Save $1,965In Stock Delivers Aug 24-31 (Est.) -
Vendor:MRCOOLMRCOOL DIY 5th Gen 4-Zone 39,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (9K+9K+9K+12K), DIY4-BC-48HP
Regular price $8,879.00Sale price $8,879.00 Regular price$9,766.90Save $888In Stock Delivers Aug 24-31 (Est.) -
Vendor:MRCOOLMRCOOL DIY 5th Gen 4-Zone 42,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (6K+6K+12K+18K), DIY4-B-48HP
Regular price $5,762.00Sale price $5,762.00 Regular price$6,914.40Save $1,152In Stock Delivers Aug 24-31 (Est.) -
Vendor:MRCOOLMRCOOL DIY 5th Gen 4-Zone 24,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (6K+6K+6K+6K), DIY4-B-27HP
Regular price $3,928.00Sale price $3,928.00 Regular price$4,320.80Save $393In Stock Delivers Aug 24-31 (Est.) -
Vendor:MRCOOLMRCOOL DIY 5th Gen 4-Zone 42,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (6K+6K+12K+18K), DIY4-B-55HP
Regular price $6,343.00Sale price $6,343.00 Regular price$7,928.75Save $1,586In Stock Delivers Aug 24-31 (Est.) -
Vendor:MRCOOLMRCOOL DIY 5th Gen 4-Zone 36,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (6K+6K+6K+18K), DIY4-B-36HP
Regular price $4,845.00Sale price $4,845.00 Regular price$5,814.00Save $969In Stock Delivers Aug 24-31 (Est.) -
Vendor:MRCOOLMRCOOL DIY 5th Gen 4-Zone 45,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (9K+9K+9K+18K), DIY4-B-48HP
Regular price $5,755.00Sale price $5,755.00 Regular price$6,560.70Save $806In Stock Delivers Aug 24-31 (Est.) -
Vendor:MRCOOLMRCOOL DIY 5th Gen 4-Zone 60,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (9K+9K+18K+24K), DIY4-B-55HP
Regular price $6,769.00Sale price $6,769.00 Regular price$8,528.94Save $1,760In Stock Delivers Aug 24-31 (Est.) -
Vendor:MRCOOLMRCOOL DIY 5th Gen 4-Zone 51,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (9K+9K+9K+24K), DIY4-B-48HP
Regular price $5,789.00Sale price $5,789.00 Regular price$7,699.37Save $1,910In Stock Delivers Aug 24-31 (Est.) -
Vendor:MRCOOLMRCOOL DIY 5th Gen 4-Zone 42,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (6K+6K+6K+24K), DIY4-B-36HP
Regular price $4,879.00Sale price $4,879.00 Regular price$6,489.07Save $1,610In Stock Delivers Aug 24-31 (Est.) -
Vendor:MRCOOLMRCOOL DIY 5th Gen 4-Zone 39,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (6K+6K+9K+18K), DIY4-B-36HP
Regular price $4,920.00Sale price $4,920.00 Regular price$6,199.20Save $1,279In Stock Delivers Aug 24-31 (Est.) -
Vendor:MRCOOLMRCOOL DIY 5th Gen 4-Zone 42,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (6K+9K+9K+18K), DIY4-B-36HP
Regular price $4,995.00Sale price $4,995.00 Regular price$6,293.70Save $1,299In Stock Delivers Aug 24-31 (Est.) -
Vendor:MRCOOLMRCOOL DIY 5th Gen 4-Zone 30,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (6K+6K+9K+9K), DIY4-BC-27HP
Regular price $7,544.00Sale price $7,544.00 Regular price$9,430.00Save $1,886In Stock Delivers Aug 24-31 (Est.) -
Vendor:MRCOOLMRCOOL DIY 5th Gen 4-Zone 45,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (9K+12K+12K+12K), DIY4-BC-48HP
Regular price $8,901.00Sale price $8,901.00 Regular price$10,681.20Save $1,780In Stock Delivers Aug 24-31 (Est.) -
Vendor:MRCOOLMRCOOL DIY 5th Gen 4-Zone 48,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (6K+6K+18K+18K), DIY4-BC-48HP
Regular price $8,732.00Sale price $8,732.00 Regular price$10,303.76Save $1,572In Stock Delivers Aug 24-31 (Est.) -
Vendor:MRCOOLMRCOOL DIY 5th Gen 4-Zone 39,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (9K+9K+9K+12K), DIY4-BC-55HP
Regular price $9,460.00Sale price $9,460.00 Regular price$10,406.00Save $946In Stock Delivers Aug 24-31 (Est.) -
Vendor:MRCOOLMRCOOL DIY 5th Gen 4-Zone 48,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (6K+6K+18K+18K), DIY4-BC-55HP
Regular price $9,313.00Sale price $9,313.00 Regular price$10,244.30Save $931In Stock Delivers Aug 24-31 (Est.) -
Vendor:MRCOOLMRCOOL DIY 5th Gen 4-Zone 42,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (6K+9K+9K+18K), DIY4-BC-48HP
Regular price $8,800.00Sale price $8,800.00 Regular price$10,120.00Save $1,320In Stock Delivers Aug 24-31 (Est.)
Upgrade your home comfort with the MRCOOL DIY 4 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 4 Zone MRCOOL DIY, you can efficiently heat or cool four 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 4 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 4 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 4 Zone models perfect for homeowners seeking an easy, affordable, and energy-efficient HVAC solution.