Following table shows the advantages of the SEM:
| COMPETITION-TECHNOLOGY | ADVANTAGES OF THE SEM |
| Condensation gas boiler | Electricity and heat production Own electricity supply (Stand-alone mode) In many countries: Fewer CO2 emissions |
| Fuel cell | Use of different combustibles Simple manufacturing Low maintenance Conventional, familiar technique Long service intervals Low emission of pollutants ON/OFF mode Attractive operating costs |
| Otto-engine | Low emission of pollutants/noise Low maintenance |
| Heat pump | Long service intervals Electricity and heat production In many countries: Fewer CO2 emissions Own electricity supply (Stand-alone mode) Operating reliability |