Energy-efficient appliances are designed to consume less energy while performing the same tasks as traditional appliances, leading to reduced energy consumption and lower energy bills.

The Good Housekeeping Seal of Approval is not a specific energy efficiency rating system for appliances. It is a general product endorsement that indicates the product has met certain quality and performance standards.

The Energy Star label indicates that the appliance meets or exceeds minimum energy efficiency standards set by the U.S. Environmental Protection Agency (EPA) and the U.S. Department of Energy (DOE).

Top-freezer refrigerators are typically more energy-efficient than bottom-freezer models because the freezer compartment is located at the top, where the air is naturally cooler.

Programmable thermostats allow users to set different temperature settings for different times of the day or week. This can help reduce energy consumption by lowering the temperature when the home is unoccupied or during sleeping hours.

Refrigerators are typically the largest energy consumers in a household because they run continuously to maintain a cool temperature.

Energy-efficient lighting, such as LED bulbs, consumes less energy while producing the same or even higher light output compared to traditional incandescent bulbs.

Detergent type does not directly affect the energy efficiency of a washing machine. However, using the recommended amount of detergent can help optimize the machine's performance and reduce water and energy consumption.

The EnergyGuide label provides information about the energy efficiency of an appliance, including its estimated annual energy consumption and energy cost.

Single-hung windows are not specifically known for their energy efficiency. Double-paned, triple-paned, and low-E windows are commonly used to improve energy efficiency by reducing heat transfer through windows.

Smart thermostats allow users to remotely control and schedule the temperature settings of their HVAC systems, providing greater convenience and flexibility.

Microwaves typically consume the least energy among common household appliances due to their short operating time and low power requirements.

Energy-efficient showerheads are designed to reduce water flow while maintaining or even increasing water pressure, leading to reduced water and energy consumption.

Energy-efficient appliances are designed to reduce energy consumption, not increase water consumption.

The ENERGY STAR program encompasses all of these activities, aiming to promote energy efficiency by setting standards, providing incentives, and educating consumers.