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The MRCOOL DIY 5th Gen 3-Zone is a ductless heat pump system with one 18,000 BTU outdoor condenser feeding two 6,000 BTU and one 9,000 BTU wall air handler. Its selling point is pre-charged Quick Connect line sets and R-454B refrigerant, so a handy homeowner can install it without a vacuum pump or brazing torch. It runs at 23.9 SEER2 and 10 HSPF2-4, with app control plus Alexa and Google Assistant. It suits owners covering three rooms who want to skip a contractor install; rivals at this capacity usually need a licensed installer and cost more in labor, but they tend to come with cleaner documentation and factory-fitted Wi-Fi.
In stock
Availability unknownSold by paylessminisplit (100% positive, 878 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.
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Lowest price we've seen: $4,354.00 on Nov 9 at Chill Mini Splits. Tracked across 1 store since Nov 9.
Owners rate it highly and most describe a one-day install with cold, quiet output. Complaints cluster around the instructions and the Wi-Fi setup rather than the cooling itself.
The MRCOOL DIY 3-Zone Mini Split is a ductless heat pump system that heats and cools three separate zones from one 18,000 BTU condenser. It includes two 6,000 BTU air handlers and one 9,000 BTU air handler. As a heat pump, it can run in reverse to pull heat from the outdoors in heating mode.
The system is designed for installation without special tools or training. Each 6K air handler covers up to about 200 sq ft, and the 9K air handler covers up to about 400 sq ft.
The system comes with a 7-year compressor warranty plus a limited lifetime compressor warranty, and a 5-year parts warranty.
