May one turn off their stove or oven to conserve energy on Yom Tov?
No. One is permitted to lower the setting only when it is necessary for the preparation of the Yom Tov’s food. • May one lower the setting on a Sabbath Mode oven even when it is not for the benefit of the food? Those Sabbath Mode ovens that are equipped with a random delay may be lowered on Yom Tov. This is because the random delay makes the reaction of the oven to lower the temperature a grama (indirect action). Although we permit extinguishing or lowering a flame only where it is needed for food, this applies where one does the action. Here, where the computer will lower the temperature later on as a reaction to your instructions, it is called gram kibui and it is permitted. • Can I open and close a standard oven door at any time on Yom Tov? One may open and close the door of an oven on Yom Tov to process the food as needed if this does not cause a light or icon to go on directly because the door was opened. On Shabbos there is a problem with opening the door because it will cause ad
