SUNBURY, Ohio—Dwayne Petko kneels on the concrete floor of a semi-built house and turns the knob of a large fan mounted in the front doorway, part of the most common test in his line of work. He is the owner and operator of Energy Matters LLC, an energy rating service, and he is doing a … Continue reading Are We Doing This Again? Home Efficiency Pros Are Wary as Ohio Gets Federal Rebates, Just a Few Years After State Funding Was Yanked