The right home improvements could help shave energy bills by up to 35% or unlock up to $627 in annual savings, according to the U.S. Department of Energy.
Steve Chalk, who recently retired from his work at the department, told CNBC that a home energy assessment can help determine what the best savings projects are for a homeowner to take on.
Home energy audits cost about $400, but the price greatly depends on the type of residence and its location.
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