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Steam gas Boiler efficient

rikmonteiro Member Posts: 20
Hello All,
I am a relatively new home owner and not very technical so please sorry if the question is stupid.

My furnace steam boiler is gone. I need to replace it. I was reading about it, and it says about new equipments with 95% efficient. Does this apply to steam gas boiler as well? Can we have have a two stage steam gas boiler? For cold weather, should we choose Condensing or non-Condensing gas boiler?


  • kcopp
    kcopp Member Posts: 4,396
    You have a steam boiler... 95% afue/ condensing is not an option. (prob more like 82%) 2 stage is prob not needed. Whoever installs the new system make sure they size it out by counting the radiators and the size to get the correct sizing/ EDR. Make sure they follow the piping instructions in the manual.
  • Steamhead
    Steamhead Member Posts: 16,736
    @rikmonteiro , where are you located?
    All Steamed Up, Inc.
    Towson, MD, USA
    Steam, Vapor & Hot-Water Heating Specialists
    Oil & Gas Burner Service
  • ratio
    ratio Member Posts: 3,605
    Pics of whatever is left will help. Click the "Find A Contractor" link, in blue above, to see who is nearby.