The Water Hut sells water coolers for a relatively cheap price. This website has more information on the best brand to buy, that uses the least amount of electricity: http://www.bestbrandtobuy.com/home-water-cooler/
Vizio seems to give off the least heat and use the smallest amount of electricity.
Africa
The European brand dishwasher Bosch uses the least amount of energy washing.
White absorbs the least amount of light.
Africa because they just do!
Memory cards that are the least expensive first of all are no name brand with the least amount of memory on the card. No name brand cards cost ten to twenty less for the same amount of memory.
The newer LED based LCD televisions use the least amount of electricity.
The polar regions get the least amount of warming rays from the Sun.
The best brands of upright freezers are Fisher & Paykel, SunBeam and Thermador. They use the least amount of electricity as certified by EnergyStar, with Fisher and Paykel using the least.
orbit. stride lasts the least amount of time.
Asko (See http://saveenergy.about.com/od/energyefficientappliances/a/EnerEffdishwash.htm )
To find the best brands of Jacuzzi you can call a local pool dealer or lowes.com.