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ENERGY STAR
The simple choice for energy efficiency.
Find and Compare Products
1 Select a product category of interest to you.
2 Get details on specific qualifying models.
3 Make informed purchasing decisions.
Find product models that have earned the ENERGY STAR and compare features, savings and more to optimize your purchase.
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ENERGY STAR Certified
Water Heaters
Visit the Water Heaters page for usage tips and buying guidelines.
Solar water heater products have requirements for Solar Energy Factor (SEF), not Energy Factor (EF). For complete information on all products, click the product link or download the full product list in Excel.