Dishwasher Buying Guide

By Robert Robillard on How To, Kitchens

Dishwasher Buying Tips:

Older dishwashers, ten years or more, are neither energy efficient nor water efficient.  Often times using between 8 an  15 gallons of water per cycle.  Purchasing a new Energy Star rated dishwasher can save you 1,000 gallons or more water per year as well as use 10-13% less energy.  The following dishwasher buying guide can help you make an educated purchase decision.

Dishwasher Buying Tips:

Energy Star appliance:

To be qualified as an Energy Star models the dishwasher must use 41 percent less energy than non-qualified models.

Gallons per cycle (gpc):

Energy Star doesn’t factor water savings into its dishwasher ratings.  Find out how much water a new dishwasher uses per wash cycle. New Energy Star rated models use four gallons per cycle (gpc), depending on their size. Models with cycle options allow you to select between heavy-duty washing, light, energy-saving or quick wash cycles to use different levels of water.


Purchase a dish washer that suits your needs. Compact models for two or less people,  standard or larger capacity washers for larger needs.  Obviously a larger than needed washers is a waste if it’s used and not filled to capacity.

Air Drying vs Heat:

Some new models have an air-dry feature, which saves energy use.

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About the author

Robert Robillard

Carpenter / Remodeler / Editor

Rob Robillard is “The Concord Carpenter” Rob is a builder, general contractor, carpenter, woodworker, and editor of Concord Carpenter and ToolBoxBuzz As a General Contractor and carpenter, Rob owns and operates Concord Carpenter LLC. A full-service remodeling and construction company. Rob is a recognized leader in home building best practices and a source for how-to information for building professionals. On this website, Rob covers all aspects of home construction, building science, home improvement, woodworking, remodeling, and some of the best product and tool reviews. Rob is in charge of our Tool and Product Review series - Concord Carpenter Videos where we post all of our tool reviews and video tutorials. Rob approaches remodeling and building construction with a pragmatic and problem-solving approach. He enjoys using his knowledge and experience to help and educate building professionals as well as DIYers on best practices in the construction and remodeling industry. He's a strong advocate for "raising the bar" in the construction trades and promoting the trades to youth. #BeAMentor #Green2Great Craftsmanship, quality, and pride guide his journey on this channel The Concord Carpenter's motto: "Well done is better than well said!" : Read more about Rob

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