用熱泵烘烤煙葉光澤強(qiáng),色澤均勻,青煙,雜色煙比例顯著降低,中上等煙葉比例明顯提高。經(jīng)評(píng)估,烤后煙葉質(zhì)量比例高于燃煤烤房30%,比煤烤房節(jié)能28%