If the 50,000-BTU unit isn’t right for your space, the Mr. Heater Big Maxx series is also available in 80,000 BTU and 125,000 ...

Mr. Heater F232000 MH9BX Buddy 4,000-9,000-BTU Indoor-Safe Portable Propane Radiant Heater, Red-Black Mr. Heater 26332 ratings ...

Mr. Heater 20,000 Btu Vent-Free Radiant Natural Gas Heater This 25-pound heater with five heat levels and an automatic shut-off is made to heat spaces from 500-700 square feet.

Mr. Heater Portable Buddy Propane Heater mrheater.com. Since natural gas is so plentiful in many parts of the country, ... Rinnai 590 Plasma Vent-Free Gas Convection Heater rinnai.us.

In 1984, Nelson & Small Inc. of Portland began distributing a direct-vent heater from Japan. ... Also discontinued is the natural gas and propane version of the Monitor heater.