Refrigerators are constantly running and maintaining a cool temperature, which requires a significant amount of energy.

Energy efficiency ratings allow consumers to compare the energy consumption of different appliances and make informed choices.

Energy Star is a voluntary energy efficiency certification program in the United States that helps consumers identify energy-efficient products.

A kilowatt-hour (kWh) is a unit of energy consumption that represents the amount of energy used by an appliance in one hour.

Automatic defrost prevents ice buildup in the refrigerator, which improves energy efficiency by reducing the amount of energy required to maintain the desired temperature.

The thermostat in an energy-efficient air conditioner regulates the temperature of the room by turning the unit on or off as needed to maintain the desired temperature.

Water-saving mode in washing machines reduces water usage, which in turn reduces energy consumption.

Energy-efficient dishwashers offer benefits such as reduced water consumption, lower noise levels, and improved cleaning performance.

LEDs are generally more energy-efficient compared to incandescent, CFL, and halogen bulbs.

Sleep mode in electronic devices reduces power consumption when the device is not actively being used.

While brand and manufacturer may influence the quality and features of an appliance, they do not directly affect its energy efficiency.

ENERGY STAR certification signifies that the appliance meets specific energy efficiency standards set by the U.S. Environmental Protection Agency (EPA).

HVAC systems are responsible for maintaining comfortable indoor temperatures and are often the largest energy consumers in commercial buildings.

Smart thermostats offer all of the mentioned benefits, including remote control, learning capabilities, and occupancy-based temperature adjustments.

Variable water level adjustment allows washing machines to use only the necessary amount of water based on the load size, saving energy and water.