Q. We are the new owners of an 1870s Second Empire Victorian. Our attic is well insulated, but the second-floor walls — behind the mansard roof — are uninsulated. A Mass Save energy auditor suggests ...
In 2009, the owners of the Empire State Building made a bet that they could cut carbon emissions from the decades-old, 102-story behemoth and save money at the same time. Their gamble paid off: Ten ...
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