The average oven and stove last for 10-15 years. While gas ranges tend to last an average of 15 years, electric appliances average life is about 13. The key to longevity lies in consistent and routine maintenance. To maintain your stove and oven, be sure to keep them clean, do not use the self-clean feature, clean the drip pans, check the door seals and others. Anyway, the pieces of advice you can receive from your support team and they send you an expert to solve any problem with your oven.