Diffusers for portable gas heaters spread the heat to evenly warm a space. They attach to the ducting or output end of the heater and have blades that direct or diffuse the warmed air into a space for even heat distribution.

These hoses and regulators allow for the flow of gas to power portable gas heaters. Hoses connect the heaters to a fuel source. Regulators control the pressure of the gas coming into the heater system.

These thermostats control the temperature of portable gas heaters. They're remote-corded, which allows users to regulate temperatures away from the immediate area of the heater.

Quick-connect gas couplings for portable gas heaters allow users to change out flexible gas lines without using tools. They're quicker to connect than other fittings that require tools and are used when a line needs to be changed frequently to fuel a portable gas heater. They consist of a plug and socket that lock when pushed together.

Ducting for portable gas heaters allows heat to be ducted into tented spaces and construction sites. It attaches to portable gas ducted and tent heaters and installs in an opening in a tent or building.