Product Review from Environmental Building News
March 1, 2009

Hypewatch:
Energy Savings Claims from Power Conditioning Equipment

“Simply install a ‘power conditioning’ device on the electrical service in your home or commercial facility, and you can see 10%–20% overall energy savings!” That’s what some companies manufacturing these devices, which remedy power-quality problems, would have you believe. Compelled to investigate by companies seeking entry into the GreenSpec Directory for energy-saving benefits, GreenSpec’s editors, along with EBN, have confirmed that this kind of claim is usually too good to be true. Energy savings from using power-conditioning systems are almost always negligible. Other benefits of improved power quality—such as greater equipment longevity and reduced maintenance—can provide quick payback when tailored to a facility’s needs. If the right system is installed to solve a real power quality problem, energy savings can sometimes be an added bonus.


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