Energy Sentry's Demand Controllers contain advanced software that calculates the rate at which electric use is approaching the demand limit, and sheds electric loads accordingly to prevent going over the set limit. The controlled loads are those which can be deferred for a brief period with little or no effect on comfort, convenience, or interruption of a process. You decide which electric loads to control and set the desired peak demand limit with assistance from a qualified professional. The least important electric loads are the first to be shed and the last to be restored, while the higher priority loads are the last to be shed and the first to be restored. With the proper combination of load control and peak demand limit, you won’t even notice the demand controller is in use, but you’re sure to notice the savings on your electric bill.

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Controllable loads usually contain thermal storage and can be turned off for a brief period of time with little to no effect on comfort, convenience, or interruption of a process. :

On average, our Residental Demand Controllers save 10-40% on electric bills per year. Savings depend heavily on each home’s unique situation given the amount and type of controllable loads, the current load factor percentage, and the utility’s residential demand rates (if available). Most customers find the Energy Sentry demand controllers pay for themselves within 1-3 years.

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