Pellet stove: W Series (blowing hot wind) -9KW-11KW-14KW-24KW B Series (heating water)-20KW-24KW-29KW H series (blowing hot wind and heating water)-20KW-24KW-29KW If you are interested in them ,pls contact with me for more detailed information .if you have any question ,pls feel free to contact with us ,any news from you will be apprecrate . wendy wang sales manager skype: olowgroup info@olowgroup.com