Dyna-Glo 10000-BTU Wall-Mount Indoor Liquid Propane Vent-Free Convection Heater in the Gas Space Heaters department at Lowes.com
Amazon.com: Mr. Heater 30,000 BTU Unvented Blue Flame Propane Fired Room Heater with Built In Blower Fan Kit and 12 ft. Hose for Propane Unvented Series Heaters Bundle (2 Items)
Infrared and Blue Flame Heaters - SignitePro Heaters
LP Blue-Flame Heater for Indoor: Lower cost than electric heaters, but is it SAFE?
Blu Flame Model 2618 B Vent Gas Stove at Obadiah's