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Elco Boilers Boiler Efficiency Rating

ModelTypeFuelEfficiency
Elco Straton 22Non-CondensingOil85.6%
Elco Systron 2-22Non-CondensingOil85.6%
Elco THISION S PLUS 34CondensingGas89.4%
Elco THISION S PLUS 46CondensingGas89.5%
Elco THISION S PLUS 54CondensingGas89.5%
Elco Trigon 22CondensingGas88.8%