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Prestigious universities’ studies as well as private companies confirm the guardian as the ultimate energy conservation device. The Energy Conservation Device (ECD) is an electricity stabilizing instrument which controls and regulates electric voltage, prolonging the life span of electric appliances and lowering the consumption of household kilowatts.

At Ecco Best we understand that providing an efficient, high quality product will prove beneficial to consumers and the environment alike. This is why we have contracted various private entities to perform independent and controlled experiments on products such as the (ECD).

Below you will find results of these studies along with explanations of the actual tests. Feel free to contact one of our customer service representatives if you have further questions.


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All of our products are rigorously tested allowing us to maintain the highest quality standard and affordability without sacrificing efficiency. Simply stated our products will save you money and electricity at a very low cost.

The Florida state University

The Florida State University’s electrical engineering department is currently undertaking an evaluation of the guardian’s performance. Results of this evaluation will be available soon in this section.

Guardian Test result Fan -
Guardian Test results -