Fryers cleaned and oil filtered at least once a day. Food warmers and hot plates turned on only as needed. F two hours before opening. Drain water heater every six months. Use hot water only when necessary.
Dishwasher run only when there is a full load.
Hot water heater coils free from lime accumulations. Dripping water faucets are costly in water and energy use. Water pressure regulators on hot water lines to reduce wasted hot water. In some areas you will pay more for the electricity used by some refrigerator models during their lifetimes than you paid for the refrigerator. You can work with vendors to find the availability and cost of alternative models.