Dishwashers consume a lot less energy than freezers and refrigerators, and aren't as energy-intensive as clothes dryers; but they still consume a lot of power... and water.
Things have improved greatly over the last decades; top dishwasher brands are now offering new and much more energy-efficient dishwashers.
Selecting a dishwasher brand
There are dozens of brands with Energy Star certified models (see complete list here).
The TopTen organization also provides a list of top brands with high efficient dishwashers: Amana, Blomberg, Bosch, Dacor, Electrolux, Fisher and Paykel, Frigidaire, GE, KitchenAid, LG, Maytag, Samsung, Whirlpool.
Most popular dishwasher brands
Popular diswasher brands, with a high number of Energy Star certified units:
Asko (25), Bosch (75), Frigidaire (21), GE (61), Kenmore (72), KitchenAid (33), LG (22), Maitag (27), Miele (68), Samsung (12), Viking (20), Whirlpool (31) (the number between parentheses indicates the number of Energy Star certified models)
»» DISHWASHER BRAND COMPARISON ««
Miele dishwashers vs Bosch, Maytag, Whirlpool, Frigidaire...
Miele dishwashers – with their unique drying cycle technology - are perhaps the best built and durable dishwashers in the world. If you're shopping and comparing Miele with Bosch, KitchenAid, Maytag, Whirlpool or other brands, if prices are similar, prefer Miele dishwashers.
The problem is that Miele dishwashers are typically a lot more expensive. Bosch and other brands offer discounts for packages and promotions that Miele doesn't offer.
Miele dishwasher are high priced, frequently over $2,000 or $3,000.
Bosch diswashwers vs. Frigidaire , Whirlpool , Maytag, KitchenAid and GE
Unlike Miele, a brand such as Bosh dominates the $600-1,500 dishwasher market. And their products can also be highly efficient and full-featured. The Bosch Ascenta series is inexpensive and popular, but the SHE43RL5UC series is their best seller, followed by the SHX55RL5UC.
Bosch is widely known as a top brand in the dishwasher market, for prices below $1,500 or even below $1,000.But there are other equally strong brands offering excellent, well featured dishwashers in this range. That's the case of Frigidaire, Maytag or Whirlpool and, most of all, KitchenAid and the GE Profile Series dishwashers.
Frigidaire dishwashers vs. Maytag and Whirlpool
Frigidaire (an Electrolux brand) dishwashers offer comparable features to the Bosch, and also similar warranties and good service networks. Buying a top brand dishwasher
. In Europe consider Which (UK) suggestions and diswashers with a A++ and A+++ grades (European Label); in Australia use the Australian Energy Label to identify energy efficient units. Do not forget the basics: When buying a dishwasher select a high efficient low-water consumption model; the best dishwashers can consume less than 2 gallons of water per cycle, which is a fraction of the consumption of older units (water savings are important and do not compromise on performance; most of the energy consumed by dishwashers goes toward heating the water). Also consider dishwashers with multiple wash cycle options.
Frigidaire FFBD1821MS dishwasher model, for instance, is among the most popular dishwashers in the world (it ranks 4th on the TopTenUSA listing for the most popular models, and has a purchase price of about $580 and an estimated energy cost of $180 over 12 years). This model is behind the Bosch SHX68T55UC dishwasher (which ranks first, and uses less water), but is a lot cheaper: about $300 less.
Overall, Energy Star Frigidaire dishwashers has better ranks and reviews (for similar prices) than Maytag.
Frigidaire dishwashers are in close competition with Whirlpool. Prices, popularity and energy efficiency are very similar (Whirlpool often wins in water usage/gallons per load).
Kitchenmaid dishwashers vs. Whirlpool, Maytag, Frigidaire or Bosch
KitchenAid dishwashers are a favorite American-style dishwasher brand with a variety of features at a wide range of prices, owned by the Whirlpool Corporation.
KitchenAid prices are on average significantly higher than those of brands such as Whirlpool, Frigidaire or Maytag. There are very few KitchenAid dishwasher models below $1,000.
In the North America, KitchenAid dishwashers are in close competition with Bosch; both brands have models with very similar prices, energy costs and water usage. Current KitchenAid models can be quite efficient and rival those of Bosch in features such a quietness (where Bosch outstands), but Bosch dishwashers continue to be seen as a better option.