I was always curious about what the blower on my zc fireplace was costing me to run. My blower is pretty big. Moves a lot of air. Anyway I bought one of those TED's (energy detectives) and it lets me see how much my electric bill is at any moment based on my current utility rates. So anyway, each KWh cost me .145 here in Southern Jersey and the blower cost me about .03/hr to run. Pretty efficient when you consider how much heat that baby is pumping out. Recommend those energy monitors to anyone interested in keeping a lid on total energy usage. I installed it myself. Thanks - Joe