Electric fireplaces; Fireplace hearths; Fireplace inserts in the nature of heat exchangers; Fireplace inserts, comprised of andirons, artificial logs and artificial embers powered by electricity; Fireplace inserts, namely, heat exchangers; Fireplace louvers, blowers, and dampers, and ash pans for fireplaces; Accessories for fireplaces, namely, air circulation kits consisting primarily of metal ducts and metal adaptors used to increase the amount of heat recovered from the fireplace using a blower or natural convection; Accessories for fireplaces, namely, ventilation hoods for fireplaces for use in ventilation and deflecting heat from the top of a fireplace; Decorative grills made of non-metal non-combustible materials for use in decorating evacuation ducts, air inlets, and hot air outlets of fireplaces; Electronic fireplace dampers
Environmental Control Apparatus