Indoor fireplace

Indoor-outdoor fireplace

Indoor-outdoor fireplace

Indoor-outdoor portable gas burner

Indoor/outdoor barbecue cooker

Indoor/outdoor heating and cooling system

Induced draft fireplace

Induced draft fryer

Induced draft heat exchanger with serpentine baffles

Induced draft submerged burner

Induced draft system for residential heaters

Induced draft warm air furnace with radiant infrared burner

Induced draft, fuel-fired furnace apparatus having an improved,

Inducer collector box seal for induction condenser furnace

Inducer condensate channel

Inducer for condensing furnace

Induction fluid supply unit for exhaust hood apparatus

Industrial burner with low NO.sub.x emissions

Inert focusing photon energy collector

Inflatable enclosure and energy exchange system