1. It can be put into service immediately. 2. No standby losses. 3. High efficiency. 4. More economical than other conventional types of heating system. 5. Easy to operate and control. 6. No air pollution. 7. System is clean, as there is no waste produced. 8. No fuel transportation cost. 9. No space is required for storage of fuel and waste. 10. Noiseless operation. 11. Uniform heating is possible; heating at particular point is also possible. 12. Dielectric material can be heated. 13. Electrical heating equipments are generally automatic, so it requires low attention and supervision. 14. Protection against overheating can be provided by suitable switch gear.