Furnace upgrades may limit rising heat bills (Wausau Daily Herald)

As autumn sets in and winter approaches, residents with old furnaces might do well to give thought to an upgrade to offset rising fuel costs, energy experts say.

Tips for staying warm this winter (Concord Monitor)

With the cold weather settling in, it's time to crank up that furnace again. Here are some tips to make sure your heating system is going strong all winter, courtesy of National Grid.