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Description
This MRCOOL DIY 5th Gen Multi-Zone Mini-Split pairs a 48,000-BTU outdoor condenser with 4 wall-mount indoor air handlers (18K + 12K + 12K + 9K BTU), giving you 4 independently controlled zones from a single DIY-installed system with pre-charged Quick Connect line sets and R-454B refrigerant.
Highlights
- 4-zone DIY system — one 48,000 BTU outdoor condenser runs 4 indoor wall-mount air handlers (18K + 12K + 12K + 9K BTU), each with independent temperature control.
- No professional installation required — patented pre-charged Quick Connect line sets let you skip the evacuating/charging process an HVAC pro would normally handle.
- High-efficiency R-454B refrigerant system — rated at 21.8 SEER2 and an HSPF2-4 of 10 for efficient year-round heating and cooling.
- DIYPro cable included — future-proofs the installation by eliminating the need for electrical conduit.
- Follow Me function — the included remote tracks the temperature around you for more consistent comfort, plus Dry Mode for humidity control and a Gold Fin condenser coil for added corrosion resistance.
- Smart controls — operate via wireless remote, the SmartHVAC app (iOS/Android), or hands-free through Amazon Alexa and Google Assistant.
Details
Avermont Direct is an authorized MRCOOL dealer, and this 4-zone DIY mini-split system is built for homeowners who want ductless heating and cooling in multiple rooms without hiring an HVAC contractor. The 48,000 BTU condenser and 4 wall-mount air handlers 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. It's a practical fit for covering several rooms or an entire home from one outdoor unit.
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
| Spec | Value |
|---|---|
| Condenser Capacity | 48,000 BTU |
| Zones | 4 (18K + 12K + 12K + 9K BTU) |
| Indoor Air Handler Type | Wall Mount |
| Efficiency | 21.8 SEER2 / HSPF2-4 of 10 |
| Refrigerant | R-454B (pre-charged Quick Connect line sets) |
| Combined Indoor Coverage | Up to 2,300 sq. ft. across all zones |
| Installation | DIY — no HVAC professional required |
| Parts Warranty | 5 years |
| Compressor Warranty | 7 years |
| Extended Warranty | Limited Lifetime Replacement with MRCOOL Care Program subscription |
| Certification | Intertek listed 5031495 |
Per-zone coverage: 18K BTU (up to 800 sq. ft.), 12K BTU (up to 550 sq. ft.), 12K BTU (up to 550 sq. ft.), 9K BTU (up to 400 sq. ft.).
- Smart HVAC Controller Module and app support Google Assistant and Amazon Alexa out of the box.
- Individual indoor-unit BTU ratings are sized independently of the outdoor condenser's rated capacity, which is standard for MRCOOL multi-zone system design.
Shipping
- Orders of $200 or more ship free within the contiguous United States. Orders under $200 ship for a flat $9.99.
- In-stock items (shown as “In Stock” on the product page) ordered before 1:00 PM Pacific Time on a business day typically ship within 1–3 business days. Delivery usually takes 3–7 business days after shipping.
- Backorder, Partial Backorder and Custom Order items are not covered by the 1–3 business day processing time. Their estimated restock or ship time is shown in the stock status on the product page before you order.
- Large items ship by freight and are typically delivered curbside. Smaller items ship by ground carrier such as FedEx or UPS.
- We ship to the 48 contiguous states. We do not ship to Alaska, Hawaii or P.O. boxes.
- Please inspect your delivery on arrival and report any concealed damage or missing parts within 24 hours.
Returns
- Returns can be requested within 30 days of delivery. Items must be unused, uninstalled, in new resalable condition and in their original packaging, including the pallet if delivered on one.
- Approved returns are subject to a 15% restocking fee, and return shipping costs are the customer’s responsibility unless the return is the result of our error.
- Installed or used products, custom and made-to-order items, clearance or final-sale items, and replacement parts and accessories are not eligible for return.
Full Shipping Policy Full Return Policy Questions? +1 (844) 455-3695