[font=Helvetica, Arial, 'lucida grande', tahoma, verdana, arial, sans-serif]I know that natural gas has chemicals added to it so you can detect an odor if there is a leak. What about propane? There is a heater in my travel trailer that runs off propane that I plan on using in the near future. If there is a leak would there be any odor to warn me? I am assuming that a normal carbon monoxide detector would not sense that? Here is what I know about using propane: Zilch, nada.[/font]