Fabric air dispersion ducts for distributing and dispensing air as part of a HVAC system; Heat registers; Direct vents for gas appliances; Floor drains; Decorative grills made of non-metal non-combustible materials for use in decorating evacuation ducts, air inlets, and hot air outlets of fireplaces; Air filters for heating and cooling registers; 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