New Hampshire winters are cold but that doesn't mean you have to be. Granite Staters face unique problems in heating their homes: some of the nation's oldest housing stock, little access to natural gas and extreme weather. New Hampshire ranked 21st on the American Council for an Energy-Efficient Economy’s State Energy Efficiency Scorecard while nearby Massachusetts, Connecticut and Vermont scored in the top ten. But local programs are working to close the gap with discounted energy audits and