Comfort Glow 30,000 BTU Natural Gas (NG) or Propane (LP) Vent Free Blue Flame Gas Wall Heater - Gillman Home Center
Dyna-Glo 12000-BTU Wall-Mount Indoor Natural Gas or Liquid Propane Vent-Free Infrared Heater in the Gas Space Heaters department at Lowes.com
Bluegrass Living Reconditioned Propane Gas Vent Free Infrared Gas Space Heater With Blower and Base Feet - 28,000 BTU, T-Stat Control - Model# B28TPIR-BB-R - Factory Buys Direct
Mr. Heater 18K Vent Free Propane (LP) Radiant Wall Heater - Taylor's Do it Center
Avoid Unvented Gas Heaters - GreenBuildingAdvisor
Bluegrass Living Propane Gas Vent Free Blue Flame Gas Space Heater Wit
Amazon.com: 10,000 BTU Propane / Natural Gas Wall Heater for Indoor Use - Dual Fuel, Vent-Free : Home & Kitchen