Your resource to: Find ENERGY STAR products, Learn new ways to save energy, Find tools to help you save Get rebates and offers

Find ENERGY STAR products

Learn new ways to save energy

Find tools to help you save

Get rebates and offers

Appliances

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Data Center Equipment

Electronics

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Water Heaters

Install a door sweep in the garage

Install a door sweep, or weather stop, on the garage door to keep cold air out and warm air in. ENERGY STAR estimates that a knowledgeable homeowner can save up to 20 percent on heating and cooling costs by sealing and insulating.

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Ask the Expert

Computer technicians working in a server room.

How to Measure Server Efficiency with SERT

SERT™ stands for Server Efficiency Rating Tool and it was developed by SPEC® in collaboration with the U.S. Environmental Protection Agency. It collects measurements and uses an accompanying efficiency metric to assess computer server energy efficiency for ENERGY STAR certification.

Open office space with people working at their stations.

How to Optimize Power Management Settings for Savings

Power management in a computer and/or monitor allows the product to enter low power modes when not in use, saving significant energy and drastically increasing battery life in portable devices.

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Tools and Resources

  • ENERGY STAR LED Bulb Finder
    CHOOSE A LIGHT

    Looking to replace a light bulb? Here's how in three easy steps.

  • Best Value Finder
    BEST VALUE FINDER

    The Value of ENERGY STAR at the Best Price

  • ENERGY STAR Most Efficient
    ENERGY STAR MOST EFFICIENT 2021

    These exceptional products represent the leading edge in energy efficient products this year.

  • image of distribution transformers
    DISTRIBUTION TRANSFORMER BUYING GUIDANCE

    Learn how energy-efficient distribution transformers can yield large energy and money savings.

  • My Energy Star
    MY ENERGY STAR

    Discover ways to save in your home and track progress in your "My ENERGY STAR" savings dashboard.

  • a couple looking at a computer and paperwork
    START SAVING

    The ENERGY STAR Home Advisor provides customized and prioritized energy efficiency advice based on your home's profile.

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