This MRCOOL® DIY® 5th Generation 48,000 BTU multi-zone ductless mini-split system pairs a single outdoor condenser with 5 indoor wall-mounted units (18K + 18K + 12K + 12K + 9K BTU), letting you heat and cool 5 separate zones without ductwork. The system installs without a licensed HVAC technician, using a pre-charged Quick Connect® line set filled with R-454B refrigerant, and is rated at 21.8 SEER2 and an HSPF2-4 of 10.
Highlights
- DIY installation — the pre-charged Quick Connect® line set skips the evacuate-and-charge process a professional install requires
- 48,000 BTU condenser powers 5 indoor wall mount zones (18K BTU + 18K BTU + 12K BTU + 12K BTU + 9K BTU)
- 21.8 SEER2 / HSPF2-4 of 10 efficiency using R-454B refrigerant
- SmartHVAC app control with Amazon Alexa and Google Home/Assistant integration, plus included wireless remotes with Follow Me® function
- DIYPro® cable included, removing the need for electrical conduit
- 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
Specs & Features
| Configuration |
5-Zone (1 condenser + 5 indoor units) |
| Condenser Capacity |
48,000 BTU |
| Indoor Unit Type |
Wall Mount |
| Indoor Unit Sizes |
18K BTU + 18K BTU + 12K BTU + 12K BTU + 9K BTU |
| Efficiency |
21.8 SEER2 / HSPF2-4 of 10 |
| Refrigerant |
R-454B (pre-charged Quick Connect® line set) |
| Installation Type |
DIY (no HVAC technician required) |
| Control Options |
Wireless remote, SmartHVAC app, Amazon Alexa, Google Assistant |
| Warranty |
5-year parts, 7-year compressor; Limited Lifetime Replacement with MRCOOL® Care Program |
| Listing |
Intertek listed 5031495 |
| Zone 1 Coverage (18K Wall Mount) |
Up to 800 sq. ft. |
| Zone 2 Coverage (18K Wall Mount) |
Up to 800 sq. ft. |
| Zone 3 Coverage (12K Wall Mount) |
Up to 550 sq. ft. |
| Zone 4 Coverage (12K Wall Mount) |
Up to 550 sq. ft. |
| Zone 5 Coverage (9K Wall Mount) |
Up to 400 sq. ft. |
- Gold Fin® condenser coil for corrosion resistance, ideal for coastal environments
- Dry Mode for humidity control
- Follow Me® function adjusts airflow based on the remote's location
Details
Avermont Direct is an authorized MRCOOL® dealer, and this 5-zone DIY® system is backed by MRCOOL's 5-year parts warranty and 7-year compressor warranty, with a Limited Lifetime Replacement warranty available through the MRCOOL® Care Program. It's a fit for homeowners covering multiple rooms with wall mount air handlers who want to install a ductless heat pump system themselves rather than scheduling a professional HVAC installation.
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
