That’s when the National Appliance Energy Conservation Act of 1987 required all new furnaces be 78 percent efficient, meaning 78 percent of the heat went into the home. Before then, many furnaces ...

Nearly one month has passed since President Trump’s inauguration, and the new administration is beginning to execute its ...

as will the addition of a Home Energy Rating System (HERS) certification, "an additional certification that verifies the energy efficiency of various home features and systems," said Forbes.