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MRCOOL DIY 5th Gen Multi-Zone 5-Zone 48,000 BTU 22 SEER2 (9K + 9K + 9K + 9K + 9K) Ductless Mini Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $10,381.00Sale price $10,381.00 Regular price$12,976.25You Save: $2,595.25Unit price per✅ In StockShop NowSave $2,595.25 -
MRCOOL DIY 5th Gen Multi-Zone 5-Zone 48,000 BTU 22 SEER2 (9K + 9K + 9K + 9K + 12K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $10,392.00Sale price $10,392.00 Regular price$12,990.00You Save: $2,598.00Unit price per✅ In StockShop NowSave $2,598.00 -
MRCOOL DIY 5th Gen Multi-Zone 5-Zone 48,000 BTU 22 SEER2 (9K + 9K + 9K + 9K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $10,411.00Sale price $10,411.00 Regular price$13,013.75You Save: $2,602.75Unit price per✅ In StockShop NowSave $2,602.75 -
MRCOOL DIY 5th Gen Multi-Zone 5-Zone 48,000 BTU 22 SEER2 (9K + 9K + 9K + 12K + 12K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $10,403.00Sale price $10,403.00 Regular price$13,003.75You Save: $2,600.75Unit price per✅ In StockShop NowSave $2,600.75 -
MRCOOL DIY 5th Gen Multi-Zone 5-Zone 48,000 BTU 22 SEER2 (9K + 9K + 9K + 12K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $10,422.00Sale price $10,422.00 Regular price$13,027.50You Save: $2,605.50Unit price per✅ In StockShop NowSave $2,605.50 -
MRCOOL DIY 5th Gen Multi-Zone 5-Zone 48,000 BTU 22 SEER2 (9K + 9K + 9K + 18K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $10,441.00Sale price $10,441.00 Regular price$13,051.25You Save: $2,610.25Unit price per✅ In StockShop NowSave $2,610.25 -
MRCOOL DIY 5th Gen Multi-Zone 5-Zone 48,000 BTU 22 SEER2 (9K + 9K + 12K + 12K + 12K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $10,414.00Sale price $10,414.00 Regular price$13,017.50You Save: $2,603.50Unit price per✅ In StockShop NowSave $2,603.50 -
MRCOOL DIY 5th Gen Multi-Zone 5-Zone 48,000 BTU 22 SEER2 (9K + 9K + 12K + 12K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $10,433.00Sale price $10,433.00 Regular price$13,041.25You Save: $2,608.25Unit price per✅ In StockShop NowSave $2,608.25 -
MRCOOL DIY 5th Gen Multi-Zone 5-Zone 48,000 BTU 22 SEER2 (9K + 9K + 12K + 18K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $10,452.00Sale price $10,452.00 Regular price$13,065.00You Save: $2,613.00Unit price per✅ In StockShop NowSave $2,613.00 -
MRCOOL DIY 5th Gen Multi-Zone 5-Zone 48,000 BTU 22 SEER2 (9K + 9K + 18K + 18K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $10,472.00Sale price $10,472.00 Regular price$13,090.00You Save: $2,618.00Unit price per✅ In StockShop NowSave $2,618.00 -
MRCOOL DIY 5th Gen Multi-Zone 5-Zone 48,000 BTU 22 SEER2 (9K + 12K + 12K + 12K + 12K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $10,425.00Sale price $10,425.00 Regular price$13,031.25You Save: $2,606.25Unit price per✅ In StockShop NowSave $2,606.25 -
MRCOOL DIY 5th Gen Multi-Zone 5-Zone 48,000 BTU 22 SEER2 (9K + 12K + 12K + 12K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $10,444.00Sale price $10,444.00 Regular price$13,055.00You Save: $2,611.00Unit price per✅ In StockShop NowSave $2,611.00 -
MRCOOL DIY 5th Gen Multi-Zone 5-Zone 48,000 BTU 22 SEER2 (9K + 12K + 12K + 18K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $10,464.00Sale price $10,464.00 Regular price$13,080.00You Save: $2,616.00Unit price per✅ In StockShop NowSave $2,616.00 -
MRCOOL DIY 5th Gen Multi-Zone 5-Zone 48,000 BTU 22 SEER2 (12K + 12K + 12K + 12K + 12K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $10,436.00Sale price $10,436.00 Regular price$13,045.00You Save: $2,609.00Unit price per✅ In StockShop NowSave $2,609.00 -
MRCOOL DIY 5th Gen Multi-Zone 5-Zone 48,000 BTU 22 SEER2 (12K + 12K + 12K + 12K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $10,456.00Sale price $10,456.00 Regular price$13,070.00You Save: $2,614.00Unit price per✅ In StockShop NowSave $2,614.00 -
MRCOOL DIY 5th Gen Multi-Zone 5-Zone 48,000 BTU 22 SEER2 (12K + 12K + 12K + 18K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $10,475.00Sale price $10,475.00 Regular price$13,093.75You Save: $2,618.75Unit price per✅ In StockShop NowSave $2,618.75 -
MRCOOL DIY 5th Gen Multi-Zone 5-Zone 55,000 BTU 22 SEER2 (6K + 6K + 6K + 6K + 6K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $10,473.00Sale price $10,473.00 Regular price$13,091.25You Save: $2,618.25Unit price per✅ In StockShop NowSave $2,618.25 -
MRCOOL DIY 5th Gen Multi-Zone 5-Zone 55,000 BTU 22 SEER2 (6K + 6K + 6K + 6K + 9K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $10,572.00Sale price $10,572.00 Regular price$13,215.00You Save: $2,643.00Unit price per✅ In StockShop NowSave $2,643.00 -
MRCOOL DIY 5th Gen Multi-Zone 5-Zone 55,000 BTU 22 SEER2 (6K + 6K + 6K + 6K + 12K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $10,583.00Sale price $10,583.00 Regular price$13,228.75You Save: $2,645.75Unit price per✅ In StockShop NowSave $2,645.75 -
MRCOOL DIY 5th Gen Multi-Zone 5-Zone 55,000 BTU 22 SEER2 (6K + 6K + 6K + 6K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $10,602.00Sale price $10,602.00 Regular price$13,252.50You Save: $2,650.50Unit price per✅ In StockShop NowSave $2,650.50
Welcome to the complete MRCOOL Mini Split collection at MRCOOL DIY Direct. Here you’ll find everything from single-zone DIY mini split kits to powerful multi-zone systems—along with pre-charged line sets, wall-mounted and ceiling cassette indoor units, and both DIY and non-DIY options. Easily filter by BTU size, zone configuration, installation type, or generation to find the perfect HVAC solution for your home or business.
What Makes Our Collection Unique?
- DIY Pre-Charged Systems: Save time and money with pre-charged Quick Connect® line sets
- Build Your System: Use our Multi-Zone Customizer Tool to design your own system from 2 to 6 zones
- All Sizes Covered: From 9k to 61k BTU – for everything from bedrooms to full homes
- DIY & Pro Install Options: Choose based on your skill level or installer access
- Fast Shipping & Trusted Support: We're a top-rated MRCOOL dealer with nationwide delivery
How to Choose the Right System
- Not sure what size you need? Try our BTU Sizing Calculator
- Have questions? Contact our expert team
- Explore DIY vs. non-DIY models with different refrigerants (R‑454B vs. R‑410A)
- Choose between wall-mounted, ceiling cassette, or ducted indoor unit styles
Frequently Asked Questions
Can I shop by system type?
Yes! Filter by single or multi-zone, DIY vs. pro-install, BTU size, and indoor unit style using the collection filters.
Are DIY units really that simple to install?
Yes. DIY systems are fully pre-charged and use sealed Quick Connect® fittings. Learn how the pre-charged system works here.
Can I build a complete multi-zone setup myself?
Absolutely. Use our Multi-Zone Customizer Tool to configure up to 6 zones with personalized air handler combinations.
Where can I get help with BTU sizing?
Try our Sizing Guide or contact us directly.
Why choose MRCOOL DIY Direct?
We're a trusted nationwide MRCOOL dealer offering unbeatable support, fast shipping, expert guidance, and extended warranty options. Learn more about us.
Shop All MRCOOL Mini Split Systems – including Single-Zone, Multi-Zone, DIY, and Professional Installation models. Our collection features the newest 5th Generation R‑454B systems, reliable 4th Gen legacy units, and a wide variety of indoor options like wall-mounted air handlers and ceiling cassettes. Easily filter by BTU capacity, number of zones, generation, or install type to find the perfect heating and cooling solution for your space.