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MRCOOL DIY 5th Gen 36 K BTU 5-Zone Ceiling Cassette Mini Split (6 K + 6 K + 9 K + 9 K + 18 K)
Regular price $9,521.00Sale price $9,521.00 Regular price$11,901.25You Save: $2,380.25Unit price per✅ In StockShop NowSave $2,380.25 -
MRCOOL DIY 5th Gen 36 K BTU 5-Zone Ceiling Cassette Mini Split (6 K + 9 K + 9 K + 9 K + 9 K)
Regular price $9,590.00Sale price $9,590.00 Regular price$11,987.50You Save: $2,397.50Unit price per✅ In StockShop NowSave $2,397.50 -
MRCOOL DIY 5th Gen Multi-Zone 5-Zone 36,000 BTU 23 SEER2 (6K + 9K + 9K + 9K + 12K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $9,601.00Sale price $9,601.00 Regular price$12,001.25You Save: $2,400.25Unit price per✅ In StockShop NowSave $2,400.25 -
MRCOOL DIY 5th Gen 36 K BTU 5-Zone Ceiling Cassette Mini Split (6K + 9K + 9K + 9K + 18K)
Regular price $9,620.00Sale price $9,620.00 Regular price$12,025.00You Save: $2,405.00Unit price per✅ In StockShop NowSave $2,405.00 -
MRCOOL DIY 5th Gen Multi-Zone 5-Zone 36,000 BTU 23 SEER2 (9K + 9K + 9K + 9K + 9K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $9,689.00Sale price $9,689.00 Regular price$12,111.25You Save: $2,422.25Unit price per✅ In StockShop NowSave $2,422.25 -
MRCOOL DIY 5th Gen Multi-Zone 5-Zone 36,000 BTU 23 SEER2 (9K + 9K + 9K + 9K + 12K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $9,700.00Sale price $9,700.00 Regular price$12,125.00You Save: $2,425.00Unit price per✅ In StockShop NowSave $2,425.00 -
MRCOOL DIY 5th Gen Multi-Zone 5-Zone 48,000 BTU 22 SEER2 (6K + 6K + 6K + 6K + 6K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $9,886.00Sale price $9,886.00 Regular price$12,357.50You Save: $2,471.50Unit price per✅ In StockShop NowSave $2,471.50 -
MRCOOL DIY 5th Gen Multi-Zone 5-Zone 48,000 BTU 22 SEER2 (6K + 6K + 6K + 6K + 9K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $9,985.00Sale price $9,985.00 Regular price$12,481.25You Save: $2,496.25Unit price per✅ In StockShop NowSave $2,496.25 -
MRCOOL DIY 5th Gen Multi-Zone 5-Zone 48,000 BTU 22 SEER2 (6K + 6K + 6K + 6K + 12K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $9,996.00Sale price $9,996.00 Regular price$12,495.00You Save: $2,499.00Unit price per✅ In StockShop NowSave $2,499.00 -
MRCOOL DIY 5th Gen Multi-Zone 5-Zone 48,000 BTU 22 SEER2 (6K + 6K + 6K + 6K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $10,015.00Sale price $10,015.00 Regular price$12,518.75You Save: $2,503.75Unit price per✅ In StockShop NowSave $2,503.75 -
MRCOOL DIY 5th Gen Multi-Zone 5-Zone 48,000 BTU 22 SEER2 (6K + 6K + 6K + 9K + 9K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $10,084.00Sale price $10,084.00 Regular price$12,605.00You Save: $2,521.00Unit price per✅ In StockShop NowSave $2,521.00 -
MRCOOL DIY 5th Gen Multi-Zone 5-Zone 48,000 BTU 22 SEER2 (6K + 6K + 6K + 9K + 12K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $10,095.00Sale price $10,095.00 Regular price$12,618.75You Save: $2,523.75Unit price per✅ In StockShop NowSave $2,523.75 -
MRCOOL DIY 5th Gen Multi-Zone 5-Zone 48,000 BTU 22 SEER2 (6K + 6K + 6K + 9K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $10,114.00Sale price $10,114.00 Regular price$12,642.50You Save: $2,528.50Unit price per✅ In StockShop NowSave $2,528.50 -
MRCOOL DIY 5th Gen Multi-Zone 5-Zone 48,000 BTU 22 SEER2 (6K + 6K + 6K + 12K + 12K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $10,106.00Sale price $10,106.00 Regular price$12,632.50You Save: $2,526.50Unit price per✅ In StockShop NowSave $2,526.50 -
MRCOOL DIY 5th Gen Multi-Zone 5-Zone 48,000 BTU 22 SEER2 (6K + 6K + 6K + 12K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $10,125.00Sale price $10,125.00 Regular price$12,656.25You Save: $2,531.25Unit price per✅ In StockShop NowSave $2,531.25 -
MRCOOL DIY 5th Gen Multi-Zone 5-Zone 48,000 BTU 22 SEER2 (6K + 6K + 6K + 18K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $10,144.00Sale price $10,144.00 Regular price$12,680.00You Save: $2,536.00Unit price per✅ In StockShop NowSave $2,536.00 -
MRCOOL DIY 5th Gen Multi-Zone 5-Zone 48,000 BTU 22 SEER2 (6K + 6K + 9K + 9K + 9K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $10,183.00Sale price $10,183.00 Regular price$12,728.75You Save: $2,545.75Unit price per✅ In StockShop NowSave $2,545.75 -
MRCOOL DIY 5th Gen Multi-Zone 5-Zone 48,000 BTU 22 SEER2 (6K + 6K + 9K + 9K + 12K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $10,194.00Sale price $10,194.00 Regular price$12,742.50You Save: $2,548.50Unit price per✅ In StockShop NowSave $2,548.50 -
MRCOOL DIY 5th Gen Multi-Zone 5-Zone 48,000 BTU 22 SEER2 (6K + 6K + 9K + 9K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $10,213.00Sale price $10,213.00 Regular price$12,766.25You Save: $2,553.25Unit price per✅ In StockShop NowSave $2,553.25 -
MRCOOL DIY 5th Gen Multi-Zone 5-Zone 48,000 BTU 22 SEER2 (6K + 6K + 9K + 12K + 12K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $10,205.00Sale price $10,205.00 Regular price$12,756.25You Save: $2,551.25Unit price per✅ In StockShop NowSave $2,551.25
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.