【How-to】Which is better radiant or blue flame

Dyna-Glo wall heaters are the ideal choice for safe, indoor supplemental heating. This state-of-the-art vent free technology does not require a flue or chimney. These heaters are great for use in your home, cabin, or garage. … This Blue Flame Wall Heater burns with 99.9% efficiency, and operates on Propane only.