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replacement boiler advice
My husband and I have just purchased a 1952 home with its original Weill Mclane boiler. It's an old enclosed hot water system, an external old tankless hot water coil and old mixing valve (non-anti-scald). We've been told the system is an old workhorse, but is very inefficient, so we're considering replacing it. Does anyone have a recommendation for the best/most efficient replacement boiler we can get? So far we've gotten estimates from various oil company reps who recommend:
- Energy Kinetics System 2000
- Burnham Hydronics MPO Series, 3-pass water boiler + Superstor Ultra Indirect water heater
- Oil Boiler w/heat management: Solaia SL4100 (Beckett NX Oil Burner) + Crown Megastor Indirect water heater
How do these systems compare to one another in terms of performance and efficiency and are there any other systems we should be looking into?