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The MRCOOL DIY 5th Gen Single Zone Mini Split Heat Pump delivers year-round comfort without the cost or hassle of professional installation. Engineered for true DIY setup, this system features pre-charged refrigerant lines with quick-connect fittings, requiring no special tools or EPA license. Powered by eco-friendly R-454B refrigerant, it provides efficient heating down to -13°F and cooling up to 115°F while reducing environmental impact. With WiFi connectivity, smart home compatibility, and whisper-quiet operation as low as 19 dB, you get pro-level comfort and energy savings in any room. Everything you need comes in the box: just mount, connect, and enjoy comfort in hours.
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The 12k mini split unit works great and was easy to install. Happy with the system so far.
Nice unit and easy to install with good skills and the right tools. Nothing elaborate...Drill with 2.5” hole saw, bubble level, proper size wrenches, misc. hand tools and some latex caulk. I did purchase separately the line set channel, electrical disconnect to meet local code and ¾ pvc for condensate drain. Although the kit gives you mounting screws, I used lag bolts for my indoor unit mounting. I used the channel and the pvc for installation and aesthetic purposes. The pre-charged lines are nice eliminating the need for evacuation. From start to finish the installation took just under 5 hours. I still need to complete my permanent electrical power (picture shows temporary electrical power). The unit runs very quiet and I do like the features. What I am not a fan of is the Communication to the App. The unit only communicates at 2.5Ghz. I have split my home network into two; 5GHz and 2.5Ghz and still cannot connect. I followed all the steps in the tutorial. It seems I have spent more time on that than the while install. That is my only complaint with the product as the App is supposed to have more features available than the remote. Otherwise, I have recommended the product to friends.
We are excited that this unit has made our 3 season porch more usable.
The pre-charged lines allowed us to install this heat pump with no special equipment. They seem to be well designed and work as intended. A torque wrench is recommended to make sure that you get these just tight enough.
Arrived promptly. All necessary components were included, electrical, drain line, everything. Couldn't be happier!
