Mtundu uwu wa wowonjezera kutentha umaphatikizidwa ndi mpweya wabwino, zomwe zimapangitsa kuti wowonjezera kutentha azikhala ndi mpweya wabwino.Nthawi yomweyo, imakhala ndi ntchito yabwinoko poyerekeza ndi malo ena obiriwira amitundu yambiri, monga magalasi obiriwira ndi ma polycarbonate greenhouses.