Bill Soukoreff said:Propane burnishers are used all the time.
BrianE said:I would not bring propane inside both for liability and image issues. Consider this option. Leave the heater outside with an electric pump and run alot of solution hose. Then just run vac hose from your extractor. I had a Kleenrite flood pumper w/ 2 3 stage vacs that seemed equal to a 33 blower when it had 25 feet of 2".