... gardening fields, flower fields,farms,breeding ffarms,factories,const heat pumpHeater(Fuel heater,warmer, heating) Advantages:Economical, stable, ... heating with high speed;Even heat supply with high efficiency and energy-savinglow-noise fan ... diametermm500500500500500(L)mm14401670190020902190(W)mm6006807708801000(H)mm11901380152017401820Weightkg170250290380 heat pump