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hey all,

new homeowner here, and I want to get a sense of heating costs for brownstones. I’ve got a 3200sf 3-story with a 30 year old (give or take) gas-fired hot water boiler. The windows are well sealed, but probably over a decade old as well. My keyspan bill for Nov-Dec was about $800.

How much might I expect to save with a new, more efficient gas boiler? And how much are most other brownstoners paying a month for heat?

Thanks!