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 and maximizing plant nutrient absorption

and maximizing plant nutrient absorption

Thrips (Thysanoptera)

Nothing travels systemically

or hydroponically our systems exceed all expectations

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 and maximizing plant nutrient absorptionMrCool 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