To the energy minded:
A thermostat, in series with the timer, is even better. My bubbler turns on at 35, and off at 45. Not what I would personally choose for setpoints; but it came factory set. Remember, ice is created from the top down; so no need to run it when the air temperature is over 32. I'm not offered an 'off peak' discount in Alton Bay.
Seriously, a tour of a power plant?

Give me a shout at
jimbob1603@hotmail.com. I'm an engineer and groove on things like that. I avail myself to all factory, process, and manufacturing tours. Nothing like the fine hum of a finely balanced 3000hp motor, the excitement/danger of high pressure steam, or the smell of tetrahydrofuran in the morning. Is this your home power plant?, or is this powering a small town somewhere up-state? or maybe you're at a pulp mill? Is the wood basically ground up into ultra-fine sawdust before being injected into the boiler? Who made the turbine? Any co-generation going on? How many tubes in the boiler? 1 or 3 phase? Whats the voltage at the generator? (13k?, 13M?) Natural gas assist? Does it run 24 x 7? Does the state require a fireman? Is the boiler ASME approved? How do you sync it with the power grid? 50 or 60 hertz? (just kidding on that one!) Too cool!
Jim