Propane Patio Heaters- Affect Cigars?

I am looking at a patio heater to make my smoking experience 'more stable' (shivering dislodges the ash too early).

Something like this:
http://www.lowes.com/lowes/lkn?actio...H15&lpage=none

Question is - does the propane heat have any 'propane fumes' or other odors that would interfere with the cigar aroma / taste?