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Description
This MRCOOL DIY 5th Gen 3-Zone system pairs a 55,000 BTU multi-zone outdoor condenser with three wall-mount indoor air handlers (18K + 12K + 9K BTU), and installs without an HVAC professional thanks to pre-charged Quick-Connect line sets that skip the evacuation and vacuuming steps.
Highlights
- No HVAC pro required — pre-charged DIY QuickConnect® line sets (R-454B refrigerant) let you skip evacuation and charging during install.
- Whole-home zoning — one 55,000 BTU condenser powers up to 6 indoor zones (this system uses 3: 18K + 12K + 9K BTU) covering up to 2,290 sq. ft. combined.
- Efficient by design — SEER2 up to 22 and HSPF2-4 up to 10.6 help keep operating costs down.
- Smart control — included wireless remotes plus the Smart HVAC app (Apple/Android) and Amazon Alexa/Google Assistant voice control.
- DIYPro® cable included — removes the need for electrical conduit and adds durability against outdoor elements.
- Follow Me® function — each wall-mount air handler's remote tracks nearby temperature for more even comfort, plus Dry Mode for humidity control.
Details
Avermont Direct is an authorized MRCOOL dealer, and this 3-zone system is backed by MRCOOL's 5-year parts and 7-year compressor warranty, with a Limited Lifetime Replacement warranty available once you enroll in the MRCOOL Care Program. It's a good fit for homeowners who want to condition three separate rooms or zones — totaling up to 1,750 sq. ft. with this 18K + 12K + 9K BTU wall-mount configuration — from a single outdoor condenser, without hiring an HVAC contractor for 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
| Condenser Capacity | 55,000 BTU (multi-zone, supports up to 6 indoor zones) |
| Zones in This System | 3 (18K + 12K + 9K BTU, Wall Mount) |
| Combined Coverage (this system) | Up to 1,750 sq. ft. |
| Max System Coverage (condenser rating) | Up to 2,290 sq. ft. (up to 6 zones) |
| SEER2 | Up to 22 |
| HSPF2-4 | Up to 10.6 |
| Refrigerant | R-454B (pre-charged Quick-Connect® line set) |
| Parts Warranty | 5 years |
| Compressor Warranty | 7 years |
| Extended Warranty | Limited Lifetime Replacement available with MRCOOL Care Program enrollment |
| Certification | Intertek listed 5031495 |
| Zone – 18,000 BTU Wall Mount | Coverage up to 800 sq. ft. |
| Zone – 12,000 BTU Wall Mount | Coverage up to 550 sq. ft. |
| Zone – 9,000 BTU Wall Mount | Coverage up to 400 sq. ft. |
- DIY installation — no HVAC professional or electrical conduit required (DIYPro® cable included).
- Gold Fin® condenser coil on each air handler resists corrosion, a plus in coastal or humid climates.
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