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New boiler & water heater for single pipe steam system... recommendations?
We have a 3.5 story townhouse from 1889 in NYC. Heating system is single pipe steam from an ancient oil-fired boiler with a coil for hot water. The heat is not bad but the hot water is not working well and the oil bills are killing us. So our plumber is looking at a gas conversion, installation of new boiler, and an indirect water heater (his recommendation).
My questions are: is the indirect water heater a good way to go, even with a steam boiler? I'd say the boiler gets used for heat about 4-5 months of the year here. Will it be economical?
And I would love recommendations/warnings about brands of gas steam boilers and indirect water heaters. I do trust our plumber but I'd love to get some other opinions. He's great but not a hardcore steamhead like the folks on here!