Northwest HPBA: http://www.nwhpba.org/

Hearth Patio & Barbecue Association (HPBA): http://www.hpba.org

National Fireplace Institute: www.heartheducation.org

Hearth Net: www.hearth.com

Information about Heating with Wood: www.woodheat.org

Information about Heating with Green Hearth Appliances: www.heatgreen.org

National Chimney Sweep Guild: http://www.ncsg.org/

Chimney Safety Institute of America: http://www.csia.org/