John Bristol’s 4,500-square-foot, four-level colonial in Chevy Chase, Md., would have been pricey to heat even without air leaks but the two rooms with wood-burning fireplaces were always cold in ...

Dear Jim: We love to use our brick fireplace in the living room, but it makes the rest of the house cold. Our heating bills are already too high. What simple things can I do to make the fireplace more ...

The biggest emission sources for people in our area, besides those from general consumption, are: transportation (car and plane), food (diet and waste), and heating (space and water). One thing I ...