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Find ENERGY STAR products

Learn new ways to save energy

Find tools to help you save

Get rebates and offers

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Water Heaters

National Streaming Day is May 20th!!

National Streaming Day is coming! Make sure to stream efficiently with tips like this: Tablet vs. Laptop: Which is better for streaming content? Find out from ENERGY STAR.

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ENERGY STAR partners sponsor rebates on certified products.
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Ask the Expert

Mother and daughter on sofa adjusting heat pump temperature.

How Does a Heat Pump Work?

If you are looking to replace the air conditioning or heating system in your home, you may want to consider an air-source heat pump.

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.

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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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