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Posted by Robert Zegarek on April 17, 2005 at 13:24:35:
I am a homeowner and I am planning to replace my 14 years old propane boiler HW-100 Heatmaker (heat/hot water), because there is some CO leakage from this boiler and no installer wants to fix it. It is probably leaking blower gasket but installers are worry to open 14 years old Heatmaker (stating that I can end up with cost almost as high as a new unit). They recommend replacing it for new, better, quiet and more efficient unit. I have researched the internet, and I found there are some units with up to 95% AFUE (Munchkin, Dunkirk). But someone advised that for me the most economical for me would be to replace it with new Endurance EBP 110 (basically same foot print but has only 85.5% AFUE - my old Heatmaker 84% AFUE). Some other installers recommend buying more efficient unit (higher AFUE) and combining it with indirect water heater. What will be the most economical for me to save as much as possible on fuel (propane). I consider buying Munchkin 140M with SSU-45 or Dunkirk QL 100. Does anybody have any experience with these boilers and can give me any suggestions?
Is it replacement with adding on indirect water heater much more expensive?