The appliance is either Energy Star Certified, or has an EU energy efficiency rating of A++ or A+++. This means it consumes around 20-30% less energy than is required by the minimum local standards for energy efficiency.
Hoover OPH 716DF
Whirlpool AWE 8840
Front loading machines are good as you can use the space above and sometimes stack a dryer on top. In general front loading machines use less energy, using less water by only partly filling the drum and obtaining higher spin speeds which clean without requiring as much heat.
Dot matrix displays can show important text or graphics using a matrix of lights or mechanical indicators like the display on a calculator.
With a transparent door you can look inside the machine and see what laundry is inside.
The slightly sculptured surface structure of the honeycomb drum creates a thin film of water or air which gently cushions and protects your laundry.
Miele W 693 F WPM
Top loading machines are good because you can load and unload without bending down. In general they have less problems with mold accumulating and on average a wash takes less time. In general they are cheaper to buy and are a good space saving option.
Maytag Centennial MVWC360AW
With a wider range of programs to choose from you can be more specific and choose the best, most economic program for your needs.
With a bigger drum you can fit in larger items such as duvets, or do a big load at once.
The machine will let you know when it is finished with an alarm or even by playing a tune.