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DD Heating Boilers Boiler Efficiency Rating

ModelTypeFuelEfficiency
DD Heating Heatline C24CondensingGas85.5%
DD Heating Heatline C28CondensingGas86.1%
DD Heating Heatline C28SCondensingGas86.1%
DD Heating Heatline S20 CompactNon-CondensingGas79.3%
DD Heating Heatline S20S CompactNon-CondensingGas79.4%
DD Heating Heatline S24 CompactNon-CondensingGas79.9%
DD Heating Heatline S24S CompactNon-CondensingGas80.0%
DD Heating Heatline S30 CompactNon-CondensingGas79.0%
DD Heating Heatline S30S CompactNon-CondensingGas79.1%
DD Heating Heatline Solaris 24PCCondensingGas88.6%
DD Heating Heatline Solaris 30 PCCondensingGas88.6%
DD Heating Heatline Solaris 30PCSCondensingGas88.7%
DD Heating Heatline Star 24Non-CondensingGas78.6%
DD Heating Mikrofill Ethos 24 CNon-CondensingGas78.6%