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Vendor:MRCOOL
MRCOOL DIY 5th Gen 4-Zone 36,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (6K+9K+9K+12K), DIY4-BC-36HP
Regular price $8,096.00Sale price $8,096.00 Regular price$8,905.60-9% -
Regular price From $9,829.00Sale price From $9,829.00 Regular price
$10,811.90-9% -
Regular price From $10,301.00Sale price From $10,301.00 Regular price
$12,536.70-18% -
Vendor:MRCOOL
MRCOOL DIY 5th Gen 4-Zone 42,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (6K+12K+12K+12K), DIY4-BC-55HP
Regular price $9,384.00Sale price $9,384.00 Regular price$10,510.08-11% -
Vendor:MRCOOL
MRCOOL DIY 5th Gen 4-Zone 24,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (6K+6K+6K+6K), DIY4-BC-36HP
Regular price $7,791.00Sale price $7,791.00 Regular price$8,570.10-9% -
Vendor:MRCOOL
MRCOOL DIY 5th Gen 4-Zone 30,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (6K+6K+6K+12K), DIY4-BC-36HP
Regular price $7,900.00Sale price $7,900.00 Regular price$9,085.00-13% -
Regular price From $8,839.00Sale price From $8,839.00 Regular price
$9,722.90-9% -
Vendor:MRCOOL
MRCOOL DIY 5th Gen 4-Zone 39,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (6K+9K+12K+12K), DIY4-BC-55HP
Regular price $9,373.00Sale price $9,373.00 Regular price$10,778.95-13% -
Vendor:MRCOOL
MRCOOL DIY 5th Gen 4-Zone 45,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (9K+9K+9K+18K), DIY4-BC-55HP
Regular price $9,479.00Sale price $9,479.00 Regular price$11,659.17-19% -
Vendor:MRCOOL
MRCOOL DIY 5th Gen 4-Zone 51,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (9K+12K+12K+18K), DIY4-BC-55HP
Regular price $9,501.00Sale price $9,501.00 Regular price$12,161.28-22% -
Vendor:MRCOOL
MRCOOL DIY 5th Gen 4-Zone 48,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (9K+9K+12K+18K), DIY4-BC-55HP
Regular price $9,490.00Sale price $9,490.00 Regular price$12,337.00-23% -
Regular price From $10,292.00Sale price From $10,292.00 Regular price
$11,835.80-13% -
Vendor:MRCOOL
MRCOOL DIY 5th Gen 4-Zone 48,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (9K+9K+12K+18K), DIY4-BC-48HP
Regular price $8,909.00Sale price $8,909.00 Regular price$11,581.70-23% -
Vendor:MRCOOL
MRCOOL DIY 5th Gen 4-Zone 48,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (12K+12K+12K+12K), DIY4-BC-55HP
Regular price $9,493.00Sale price $9,493.00 Regular price$11,201.74-15% -
Regular price From $10,421.00Sale price From $10,421.00 Regular price
$11,621.50-10% -
Regular price From $9,091.00Sale price From $9,091.00 Regular price
$11,210.10-19% -
Regular price From $10,368.00Sale price From $10,368.00 Regular price
$11,612.16-11% -
Regular price From $10,401.00Sale price From $10,401.00 Regular price
$12,481.20-17% -
Regular price From $10,441.00Sale price From $10,441.00 Regular price
$12,842.43-19% -
Vendor:MRCOOL
MRCOOL DIY 5th Gen 4-Zone 27,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (6K+6K+6K+9K), DIY4-BC-27HP
Regular price $7,446.00Sale price $7,446.00 Regular price$8,935.20-17% -
Vendor:MRCOOL
MRCOOL DIY 5th Gen 4-Zone 45,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (6K+9K+12K+18K), DIY4-BC-55HP
Regular price $9,392.00Sale price $9,392.00 Regular price$12,209.60-23% -
Vendor:MRCOOL
MRCOOL 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$10,406.00-9% -
Vendor:MRCOOL
MRCOOL DIY 5th Gen 4-Zone 54,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (9K+9K+18K+18K), DIY4-BC-55HP
Regular price $9,509.00Sale price $9,509.00 Regular price$11,410.80-17%
Upgrade your comfort with the MRCOOL DIY Ceiling Cassette 4 Zone Mini Split Systems, part of the advanced 5th Generation MRCOOL DIY Multi-Zone Series. These innovative ductless systems are the first and only true do-it-yourself ceiling cassette mini split systems on the market. With MRCOOL’s patented Quick Connect® pre-charged line sets, installation is fast, simple, and requires no special tools or professional help.
With the 4 Zone MRCOOL Ceiling Cassette System, you can heat or cool four separate spaces from a single outdoor condenser. Perfect for open layouts, bedrooms, offices, or living spaces, this ceiling-mounted solution offers discreet comfort without sacrificing performance.
Key Features of MRCOOL DIY Ceiling Cassette 4 Zone Systems
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Ceiling-Mounted Air Handlers – A flush-mount design blends seamlessly into your ceiling for discreet, space-saving comfort.
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Quick Connect® Technology – Pre-charged with eco-friendly R-454B refrigerant, eliminating the need for vacuuming or charging.
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True DIY Installation – No HVAC technician required. Homeowners can install their own multi-zone system quickly and easily.
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All-Weather Performance – Heat effectively from –13°F to 75°F and cool effortlessly up to 122°F.
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Smart Controls – Works with the MRCOOL SmartHVAC app, Amazon Alexa, and Google Assistant for voice and remote control.
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Energy Efficient – High SEER2 ratings ensure lower utility bills and eco-friendly performance.
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Auto Restart – Restores your settings automatically after a power outage.
Why Choose MRCOOL DIY Ceiling Cassette 4 Zone?
The Ceiling Cassette design provides powerful heating or cooling while staying out of sight. With whisper-quiet operation, advanced climate control, and the ability to manage three rooms independently, MRCOOL makes year-round comfort smarter, easier, and more efficient than ever.
At Premium Home Source, we proudly offer the full line of MRCOOL DIY Multi-Zone Ceiling Cassette Mini Splits, including the popular 4 Zone models, built for convenience, efficiency, and modern living.