Originally posted by SeattlePioneer
You need to develope good skills at diagnosing milivolt control systems. Combustion problems can be tricky sometimes.
The biggest barrier for new tech is probably figuring out how to take the freaking things apart! The second biggest barrier is the threat of doing what can be a dirty job on people's expensive living room carpets. I use blankets for drop cloths these days, and find they work well.
I would suppose that most repair shops get a fair number of calls to repair fireplaces, which are usually refused because no one is prepared to do the work. The tech who can do that work is making his own job.