DIY 4th Generation E Star 12K to 36K BTU Heat Pump Condenser 115/230 volt 18-22 SEER with 25 foot line set BTU:12K BTU Cooling to 5 degrees: Year-round

Cooling to 5 degrees: Year-round use for server rooms and grow spaces

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or hydroponically our systems exceed all expectations

(6) upright bushings & installation hardware

DIY 4th Generation E Star 12K to 36K BTU Heat Pump Condenser 115/230 volt 18-22 SEER with 25 foot line set BTU:12K BTU Cooling to 5 degrees: Year-roundMrCool DIY 4th Gen Condenser for Year Round Climate A grow room that needs cooling in summer and heat in winter usually means two machines and two power draws. This outdoor heat pump condenser does both from one unit, in sizes from 12,000 to 36,000 BTU. A variable speed DC inverter ramps output to match the load, so it holds a set temperature efficiently instead of cycling on and off. The 12K, 18K, and 24K models are Energy Star certified at up to 22