Portable Outdoor Propane Heater
This is a cabinet heater rather than a mushroom: it warms by radiant heat at seated level, which is where the cold actually is. Three settings from 6,000 up to 18,000 BTU cover an area of about 450 square feet, it runs from a standard 20 lb cylinder with no electricity at all, and it moves on five casters, two of them braked. Under 30 dB means conversation carries over it, which is not true of most outdoor heaters.







