Consumer protection agencies say some companies get their foot in the door by "selling" you on a free energy audit. But once they take a look inside your home they try to sell you on their products. Those products often come at a hefty price.
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CPS Energy also has a free online survey that helps you analyze your home's energy efficiency and how you can improve it. They can also come out to your house and do an in-person survey at a cost of $25.
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