This MRCOOL DIY 5th Gen Mini Split pairs a 48,000 BTU ductless condenser with 4 wall mount air handlers (24K + 18K + 12K + 9K BTU), delivering true do-it-yourself installation backed by 21.8 SEER2 / HSPF2-4 of 10 efficiency.
Highlights
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Pre-charged Quick Connect line sets — filled with R-454B refrigerant, so there's no evacuating or vacuuming required during installation.
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DIYPRO cable included — removes the need for electrical conduit while adding durability against outdoor elements.
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Follow Me function — the wireless remote tracks nearby air temperature so each zone stays comfortable.
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SmartHVAC app control — schedule and monitor every zone from your phone, with Amazon Alexa and Google Assistant compatibility.
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Gold Fin Condenser coil — adds corrosion resistance, a benefit for coastal or humid climates.
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Dry Mode — reduces excess humidity and condensation for a more comfortable room.
Specs & Features
| Condenser Capacity |
48,000 BTU |
| Zones |
4 |
| Indoor Air Handler Type |
Wall Mount |
| Indoor Air Handler Sizes |
24K + 18K + 12K + 9K BTU |
| Efficiency |
21.8 SEER2 / HSPF2-4 of 10 |
| Refrigerant |
R-454B (pre-charged Quick Connect line set) |
| Installation Type |
DIY — no HVAC professional required |
| Certification |
Intertek listed 5031495 |
| Warranty |
5-year parts, 7-year compressor; Limited Lifetime Replacement warranty available with MRCOOL Care Program enrollment |
- 24K BTU Wall Mount air handler — rated for spaces up to 1050 sq. ft.
- 18K BTU Wall Mount air handler — rated for spaces up to 800 sq. ft.
- 12K BTU Wall Mount air handler — rated for spaces up to 550 sq. ft.
- 9K BTU Wall Mount air handler — rated for spaces up to 400 sq. ft.
- Condenser rated for combined coverage up to 2,000 sq. ft. across all connected zones.
Details
Avermont Direct is an authorized MRCOOL dealer, and this 4-zone DIY system is built for homeowners who want to heat and cool multiple rooms — such as a primary suite, home office, or finished basement — without hiring a professional installer. The 48,000 BTU condenser and 4 wall mount air handlers (24K + 18K + 12K + 9K BTU) are backed by a 5-year parts warranty and a 7-year compressor warranty, with a Limited Lifetime Replacement warranty available through the MRCOOL Care Program.
Need Help?
If you have questions about this product before you order, our team is happy to help.
Email: support@avermontdirect.com
Phone: +1 (844) 455-3695
Hours: Monday–Friday, 9AM–5PM
Live Chat: Available 24/7
