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MRCOOL DIY 5th Gen Multi-Zone 4-Zone 55,000 BTU 22 SEER2 (6K + 9K + 18K + 24K) Ductless Mini-Split Air Conditioner and Heat Pump
Regular price $6,761.00Sale price $6,761.00 Regular price$8,451.25You Save: $1,690.25Unit price per✅ In StockShop NowSave $1,690.25 -
MRCOOL DIY 5th Gen Multi-Zone 4-Zone 48,000 BTU 22 SEER2 (12K + 18K + 18K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump
Regular price $6,777.00Sale price $6,777.00 Regular price$8,471.25You Save: $1,694.25Unit price per✅ In StockShop NowSave $1,694.25 -
MRCOOL DIY 5th Gen Multi-Zone 4-Zone 55,000 BTU 22 SEER2 (9K + 9K + 18K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump
Regular price $6,802.00Sale price $6,802.00 Regular price$8,502.50You Save: $1,700.50Unit price per✅ In StockShop NowSave $1,700.50 -
MRCOOL DIY 5th Gen Multi-Zone 4-Zone 55,000 BTU 22 SEER2 (9K + 9K + 18K + 24K) Ductless Mini-Split Air Conditioner and Heat Pump
Regular price $6,837.00Sale price $6,837.00 Regular price$8,546.25You Save: $1,709.25Unit price per✅ In StockShop NowSave $1,709.25 -
MRCOOL DIY 5th Gen Multi-Zone 4-Zone 55,000 BTU 22 SEER2 (12K + 12K + 12K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump
Regular price $6,875.00Sale price $6,875.00 Regular price$8,593.75You Save: $1,718.75Unit price per✅ In StockShop NowSave $1,718.75 -
MRCOOL DIY 5th Gen Multi-Zone 4-Zone 55,000 BTU 22 SEER2 (6K + 12K + 18K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump
Regular price $6,885.00Sale price $6,885.00 Regular price$8,606.25You Save: $1,721.25Unit price per✅ In StockShop NowSave $1,721.25 -
MRCOOL DIY 5th Gen Multi-Zone 4-Zone 55,000 BTU 22 SEER2 (12K + 12K + 12K + 24K) Ductless Mini-Split Air Conditioner and Heat Pump
Regular price $6,909.00Sale price $6,909.00 Regular price$8,636.25You Save: $1,727.25Unit price per✅ In StockShop NowSave $1,727.25 -
MRCOOL DIY 5th Gen Multi-Zone 4-Zone 55,000 BTU 22 SEER2 (6K + 12K + 18K + 24K) Ductless Mini-Split Air Conditioner and Heat Pump
Regular price $6,920.00Sale price $6,920.00 Regular price$8,650.00You Save: $1,730.00Unit price per✅ In StockShop NowSave $1,730.00 -
MRCOOL DIY 5th Gen Multi-Zone 4-Zone 55,000 BTU 22 SEER2 (9K + 12K + 18K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump
Regular price $6,961.00Sale price $6,961.00 Regular price$8,701.25You Save: $1,740.25Unit price per✅ In StockShop NowSave $1,740.25 -
MRCOOL DIY 5th Gen Multi-Zone 4-Zone 55,000 BTU 22 SEER2 (9K + 12K + 18K + 24K) Ductless Mini-Split Air Conditioner and Heat Pump
Regular price $6,995.00Sale price $6,995.00 Regular price$8,743.75You Save: $1,748.75Unit price per✅ In StockShop NowSave $1,748.75 -
MRCOOL DIY 5th Gen Multi-Zone 4-Zone 55,000 BTU 22 SEER2 (12K + 12K + 18K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump
Regular price $7,119.00Sale price $7,119.00 Regular price$8,898.75You Save: $1,779.75Unit price per✅ In StockShop NowSave $1,779.75 -
MRCOOL DIY 5th Gen Multi-Zone 4-Zone 55,000 BTU 22 SEER2 (6K + 18K + 18K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump
Regular price $7,130.00Sale price $7,130.00 Regular price$8,912.50You Save: $1,782.50Unit price per✅ In StockShop NowSave $1,782.50 -
MRCOOL DIY 5th Gen Multi-Zone 4-Zone 55,000 BTU 22 SEER2 (12K + 12K + 18K + 24K) Ductless Mini-Split Air Conditioner and Heat Pump
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 4-Zone 55,000 BTU 22 SEER2 (6K + 18K + 18K + 24K) Ductless Mini-Split Air Conditioner and Heat Pump
Regular price $7,164.00Sale price $7,164.00 Regular price$8,955.00You Save: $1,791.00Unit price per✅ In StockShop NowSave $1,791.00 -
MRCOOL DIY 5th Gen Multi-Zone 4-Zone 55,000 BTU 22 SEER2 (9K + 18K + 18K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump
Regular price $7,205.00Sale price $7,205.00 Regular price$9,006.25You Save: $1,801.25Unit price per✅ In StockShop NowSave $1,801.25 -
MRCOOL DIY 5th Gen Multi-Zone 4-Zone 55,000 BTU 22 SEER2 (12K + 18K + 18K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump
Regular price $7,364.00Sale price $7,364.00 Regular price$9,205.00You Save: $1,841.00Unit price per✅ In StockShop NowSave $1,841.00 -
MRCOOL DIY 5th Gen Multi-Zone 2-Zone 18,000 BTU 24 SEER2 (9K + 9K) Ductless Mini-Split Air Conditioner and Heat Pump
Regular price $3,104.00Sale price $3,104.00 Regular price$3,880.00You Save: $776.00Unit price per✅ In StockShop NowSave $776.00 -
MRCOOL DIY 5th Gen Multi-Zone 2-Zone 18,000 BTU 24 SEER (9K + 12K) Ductless Mini-Split Air Conditioner and Heat Pump
Regular price $3,262.00Sale price $3,262.00 Regular price$4,077.50You Save: $815.50Unit price per✅ In StockShop NowSave $815.50 -
MRCOOL DIY 5th Gen Multi-Zone 2-Zone 27,000 BTU 23 SEER2 (9K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump
Regular price $4,069.00Sale price $4,069.00 Regular price$5,086.25You Save: $1,017.25Unit price per✅ In StockShop NowSave $1,017.25 -
MRCOOL DIY 5th Gen Multi-Zone 2-Zone 36,000 BTU 23 SEER2 (12K + 24K) Ductless Mini-Split Air Conditioner and Heat Pump
Regular price $4,742.00Sale price $4,742.00 Regular price$5,927.50You Save: $1,185.50Unit price per✅ In StockShop NowSave $1,185.50
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.