Oh great, thanks for that visual. You also mentioned using two UTHs in your thread - like this but on a smaller scale? https://docs.google.com/document/d/1...IArn3xzes/edit Are you still unlikely to affect the ambient much?
I'll definitely play around with my options once my Herpstat and other supplies arrive, though I can't mount anything to the wall so a CHE setup may be a little trickier to keep elevated safely (first thought was an adjustable lamp arm if I can ensure it cannot droop).