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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-48HP
Regular price $8,879.00Sale price $8,879.00 Regular price$9,766.90-9% -
Regular price From $8,354.00Sale price From $8,354.00 Regular price
$10,275.42-19% -
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-27HP
Regular price $7,348.00Sale price $7,348.00 Regular price$8,082.80-9% -
Vendor:MRCOOL
MRCOOL 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$10,120.00-13% -
Regular price From $9,776.00Sale price From $9,776.00 Regular price
$11,731.20-17% -
Regular price From $9,787.00Sale price From $9,787.00 Regular price
$10,961.44-11% -
Regular price From $9,700.00Sale price From $9,700.00 Regular price
$10,670.00-9% -
Vendor:MRCOOL
MRCOOL DIY 5th Gen 4-Zone 42,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (9K+9K+12K+12K), DIY4-BC-48HP
Regular price $8,890.00Sale price $8,890.00 Regular price$10,223.50-13% -
Regular price From $9,742.00Sale price From $9,742.00 Regular price
$10,874.60-10% -
Vendor:MRCOOL
MRCOOL DIY 5th Gen 4-Zone 48,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (6K+12K+12K+18K), DIY4-BC-48HP
Regular price $8,822.00Sale price $8,822.00 Regular price$11,292.16-22% -
Regular price From $10,281.00Sale price From $10,281.00 Regular price
$12,131.58-15% -
Regular price From $8,797.00Sale price From $8,797.00 Regular price
$10,886.70-19% -
Vendor:MRCOOL
MRCOOL DIY 5th Gen 4-Zone 42,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (9K+9K+12K+12K), DIY4-BC-55HP
Regular price $9,471.00Sale price $9,471.00 Regular price$10,891.65-13% -
Vendor:MRCOOL
MRCOOL DIY 5th Gen 4-Zone 48,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (6K+12K+12K+18K), DIY4-BC-55HP
Regular price $9,403.00Sale price $9,403.00 Regular price$12,035.84-22% -
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-48HP
Regular price $8,811.00Sale price $8,811.00 Regular price$10,573.20-17% -
Regular price From $9,678.00Sale price From $9,678.00 Regular price
$10,839.36-11% -
Vendor:MRCOOL
MRCOOL DIY 5th Gen 4-Zone 33,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (6K+6K+9K+12K), DIY4-BC-36HP
Regular price $7,998.00Sale price $7,998.00 Regular price$8,957.76-11% -
Regular price From $10,312.00Sale price From $10,312.00 Regular price
$11,343.20-9% -
Regular price From $9,820.00Sale price From $9,820.00 Regular price
$11,293.00-13% -
Vendor:MRCOOL
MRCOOL DIY 5th Gen 4-Zone 36,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (9K+9K+9K+9K), DIY4-BC-48HP
Regular price $8,868.00Sale price $8,868.00 Regular price$10,464.24-15% -
Regular price From $10,379.00Sale price From $10,379.00 Regular price
$12,247.22-15% -
Vendor:MRCOOL
MRCOOL DIY 5th Gen 4-Zone 36,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (6K+6K+6K+18K), DIY4-BC-36HP
Regular price $7,919.00Sale price $7,919.00 Regular price$10,294.70-23% -
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-48HP
Regular price $8,803.00Sale price $8,803.00 Regular price$9,859.36-11%
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.