If you have two ovens, use the smaller one whenever you can . For soups and stews that require long cooking periods, using a crockpot will save a significant amount of energy. For stove-top cooking, consider using a pressure cooker . By building up steam pressure, they cook at a higher temperature, reducing cooking time and energy considerably. Use the smallest pan possible when cooking.
Smaller pans require less energy.
With electric cook tops, match the pan size to the element size . Consider copper-bottom pans . These heat up faster than regular pans. Blackened burner pans absorb a lot of heat, reducing burner efficiency. When using electric burners, solid disk elements, and radiant elements under ceramic glass, use flat-bottomed cookware that rests evenly on the burner surface .