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MRCOOL DIY 5th Gen Multi-Zone 2-Zone 27,000 BTU 23 SEER2 (18K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $5,513.00Sale price $5,513.00 Regular price$6,891.25You Save: $1,378.25Unit price per✅ In StockShop NowSave $1,378.25 -
MRCOOL DIY 5th Gen Multi-Zone 2-Zone 36,000 BTU 23 SEER2 (6K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $5,819.00Sale price $5,819.00 Regular price$7,273.75You Save: $1,454.75Unit price per✅ In StockShop NowSave $1,454.75 -
MRCOOL DIY 5th Gen Multi-Zone 2-Zone 36,000 BTU 23 SEER2 (9K + 9K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $5,875.00Sale price $5,875.00 Regular price$7,343.75You Save: $1,468.75Unit price per✅ In StockShop NowSave $1,468.75 -
MRCOOL DIY 5th Gen Multi-Zone 2-Zone 36,000 BTU 23 SEER2 (9K + 12K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $5,886.00Sale price $5,886.00 Regular price$7,357.50You Save: $1,471.50Unit price per✅ In StockShop NowSave $1,471.50 -
MRCOOL DIY 5th Gen Multi-Zone 2-Zone 36,000 BTU 23 SEER2 (12K + 12K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $5,897.00Sale price $5,897.00 Regular price$7,371.25You Save: $1,474.25Unit price per✅ In StockShop NowSave $1,474.25 -
MRCOOL DIY 5th Gen Multi-Zone 2-Zone 36,000 BTU 23 SEER2 (9K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $5,918.00Sale price $5,918.00 Regular price$7,397.50You Save: $1,479.50Unit price per✅ In StockShop NowSave $1,479.50 -
MRCOOL DIY 5th Gen Multi-Zone 2-Zone 36,000 BTU 23 SEER2 (12K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $5,929.00Sale price $5,929.00 Regular price$7,411.25You Save: $1,482.25Unit price per✅ In StockShop NowSave $1,482.25 -
MRCOOL DIY 5th Gen Multi-Zone 2-Zone 36,000 BTU 23 SEER2 (18K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $5,960.00Sale price $5,960.00 Regular price$7,450.00You Save: $1,490.00Unit price per✅ In StockShop NowSave $1,490.00 -
MRCOOL DIY 5th Gen Multi-Zone 2-Zone 48,000 BTU 22 SEER2 (6K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $6,510.00Sale price $6,510.00 Regular price$8,137.50You Save: $1,627.50Unit price per✅ In StockShop NowSave $1,627.50 -
MRCOOL DIY 5th Gen Multi-Zone 2-Zone 48,000 BTU 22 SEER2 (9K + 9K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $6,567.00Sale price $6,567.00 Regular price$8,208.75You Save: $1,641.75Unit price per✅ In StockShop NowSave $1,641.75 -
MRCOOL DIY 5th Gen Multi-Zone 2-Zone 48,000 BTU 22 SEER2 (9K + 12K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $6,578.00Sale price $6,578.00 Regular price$8,222.50You Save: $1,644.50Unit price per✅ In StockShop NowSave $1,644.50 -
MRCOOL DIY 5th Gen Multi-Zone 2-Zone 48,000 BTU 22 SEER2 (12K + 12K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $6,589.00Sale price $6,589.00 Regular price$8,236.25You Save: $1,647.25Unit price per✅ In StockShop NowSave $1,647.25 -
MRCOOL DIY 5th Gen Multi-Zone 2-Zone 48,000 BTU 22 SEER2 (9K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $6,609.00Sale price $6,609.00 Regular price$8,261.25You Save: $1,652.25Unit price per✅ In StockShop NowSave $1,652.25 -
MRCOOL DIY 5th Gen Multi-Zone 2-Zone 48,000 BTU 22 SEER2 (12K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $6,621.00Sale price $6,621.00 Regular price$8,276.25You Save: $1,655.25Unit price per✅ In StockShop NowSave $1,655.25 -
MRCOOL DIY 5th Gen Multi-Zone 2-Zone 48,000 BTU 22 SEER2 (18K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $6,652.00Sale price $6,652.00 Regular price$8,315.00You Save: $1,663.00Unit price per✅ In StockShop NowSave $1,663.00 -
MRCOOL DIY 5th Gen Multi-Zone 2-Zone 55,000 BTU 22 SEER2 (6K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $7,097.00Sale price $7,097.00 Regular price$8,871.25You Save: $1,774.25Unit price per✅ In StockShop NowSave $1,774.25 -
MRCOOL DIY 5th Gen Multi-Zone 2-Zone 55,000 BTU 22 SEER2 (9K + 9K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $7,154.00Sale price $7,154.00 Regular price$8,942.50You Save: $1,788.50Unit price per✅ In StockShop NowSave $1,788.50 -
MRCOOL DIY 5th Gen Multi-Zone 2-Zone 55,000 BTU 22 SEER2 (9K + 12K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $7,165.00Sale price $7,165.00 Regular price$8,956.25You Save: $1,791.25Unit price per✅ In StockShop NowSave $1,791.25 -
MRCOOL DIY 5th Gen Multi-Zone 2-Zone 55,000 BTU 22 SEER2 (12K + 12K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $7,176.00Sale price $7,176.00 Regular price$8,970.00You Save: $1,794.00Unit price per✅ In StockShop NowSave $1,794.00 -
MRCOOL DIY 5th Gen Multi-Zone 2-Zone 55,000 BTU 22 SEER2 (9K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular price $7,196.00Sale price $7,196.00 Regular price$8,995.00You Save: $1,799.00Unit price per✅ In StockShop NowSave $1,799.00
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.