MRCOOL DIY 4th Generation Wall Mount Air Handler

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4 reviews

Air Handler Size: 9000 BTU (375 Sq. Ft.)
Sale price$442.00 Regular price$499.00
In stock


The MRCOOL DIY 4th Gen Wall Mounted Air Handler is one of the most efficient air handlers available. Not only can it produce up to 22 SEER efficiency rating it can also cover an area 375-1,600 sq. ft. depending on the size. It is also incredibly versatile and equipped with multiple operating modes, which include COOL, HEAT, AUTO, DRY (dehumidify), and SLEEP. This unit also has the capability to be controlled by your Apple or Android smartphone through the use of the Smart HVAC app. With its light and compact design, it can be installed easily to most interior walls with the included mounting plate. To take the simplicity of the installation even further, this air handler is designed to be used with MrCool’s patented Pre-Charged Quick Connect Line Set. The line set is equipped with quick connectors which give a DIY installer the ability to connect the refrigerant piping with wrenches. The line set comes from the factory pre-charged with the correct amount of R-410A refrigerant, so no vacuuming is necessary. Let the MrCool 4th Generation BTU Ductless Wall Mounted Air Handler all of the heating and cooling necessities of your home.

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Customer Reviews

Based on 4 reviews
Cohen O'Neil
DIY wasn't that difficult

Was a little nervous about the DIY part, but after watching a few videos online, it was pretty straight forward

Zayn Rodriguez
Get the units off the ground

The wall mount is pretty cool, gets it off the ground away from dog and kids. Highly recommend!

Aziel Lopez

Thanks Tyler!

Tobias Skelley
Thank you!

Thanks for answering all my questions! I really appreciete it