The Industry Trade Group for Fireplace and Stoves. They maintain a web site with consumer and trade information at: http://www.hpba.org
HPBA stands for Hearth, Patio and Barbecue Association.
HPBA also has offshoots which provide education and certification for installers (see: National Fireplace Institute ). A related group (subgroup) is the PFI or Pellet Fuels Institute , which consists of Manufacturers of biomass fuel.