Oct 06, 2021 · The MrCool DIY 3rd Generation 20 SEER 18,000 BTU/h ENERGY STAR Ductless Heat Pump is designed for simple, amateur installation. Using pre-charged R410A Quick Connect Linesets, anyone with a few common tools on hand can install this innovative ductless system that delivers reliable, ENERGY STAR rated heating and cooling year-round.
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