Sorry bud but you are full of ****.
"Richard J Kinch" wrote in message
. ..
Stormin Mormon writes:

It's my understanding that freon (like methane or propane) is odorless.

Your understanding is mistaken.

R-12, R-22, and R-134a all have a distinct solvent or medicinal type odor.

It isn't strong enough for practical leak detection, however.