[mlizzy]

I’m VERY interested in this myself; thanks for posting this thread.

[dirtboy]

Kerosene heaters can be a bit smelly. Plus, an advantage of propane is, if you have a fair amount of fuel left after a mild winter, you can use it up in your gas grill.

[virgil283]

A friend installed a unvented nat. gas heater, a three tile wall hung, but later reading the owners manual discovered it was NOT to be used for more than four hour straight because of nitrite emissions....

[Eric in the Ozarks]

See post # 72.