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MRCOOL DIY 18K BTU 2-Zone Mini Split System | Heat & Cool Two Rooms (875 Sq. Ft.)

Take control of your home’s comfort with the MRCOOL DIY 5th Gen 2-Zone System. This complete DIY package lets you independently heat and cool two different-sized rooms—375 sq. ft. and 500 sq. ft.—from one powerful 18,000 BTU outdoor unit. Designed for true do-it-yourself installation, it requires no special HVAC tools or professional help. Everything you need is included for a weekend installation that delivers professional-grade comfort and energy savings.

Key Benefits:

✅ Two-Zone Flexibility – Independently control temperatures in two rooms: one 375 sq. ft. space and one 500 sq. ft. space (875 sq. ft. total).

✅ Easy DIY Installation – No HVAC license or refrigerant handling needed. Includes pre-charged QuickConnect® linesets for simple, vacuum-free hookups.

✅ High Energy Efficiency – Rated at 23.9 SEER2 for cooling and 10.0 HSPF2 for heating, reducing your energy bills year-round.

✅ All-Season Performance – Provides reliable heat even in extreme cold, operating down to -13°F.

✅ Complete System in One Box – Includes 18K BTU outdoor condenser, two indoor wall-mounted air handlers (sized for each room), linesets, cables, and remotes.

✅ Strong Warranty – Backed by a 7-year compressor warranty and 5-year parts warranty.

What’s Included:

• 1 Outdoor Condenser Unit (18,000 BTU Multi-Zone)

• 2 Wall-Mounted Indoor Air Handlers (sized for 350 sq. ft. and 500 sq. ft.)

• 2 Pre-Charged QuickConnect® Linesets

• 2 DIYPRO® Cables

• 2 Wireless Remotes

Technical Specifications:

• System Type: 2-Zone Ductless Heat Pump

• Total Capacity: 18,000 BTU (supports up to two zones)

• Coverage: 375 sq. ft. + 500 sq. ft. (875 sq. ft. total)

• Cooling Efficiency: 23.9 SEER2

• Heating Efficiency: 10.0 HSPF2

• Low-Temp Heating: Effective down to -13°F

• Refrigerant: R-454B (included in pre-charged linesets)

• Electrical: 230V

• Warranty: 7-year compressor, 5-year parts

Important Note:

If both air handlers run at the same time, their combined BTU output is limited by the condenser’s total 18,000 BTU capacity. The system automatically balances power between zones to optimize comfort and efficiency.

Why Choose This System?

Perfect for homeowners who want to heat and cool two different-sized rooms independently—like a living room and a master bedroom—without installing separate systems or paying for professional installation. Enjoy energy savings, all-season reliability, and total DIY control.

Perfect For:

• Living room (500 sq. ft.) + master bedroom (375 sq. ft.)

• Great room + home office

• Large bedroom + family room

• Garage + workshop or lounge area

Ready to install your own two-zone comfort system?
Order the MRCOOL DIY 18K BTU 2-Zone Mini Split today and enjoy customized heating and cooling in two rooms—installed by you, for you.