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2. Efficient energy use - Wikipedia

   en.wikipedia.org/wiki/Efficient_energy_use

   Common energy efficiency label on appliances to indicate their energy efficiency in a clear manner. Efficient energy use, or energy efficiency, is the process of reducing the amount of energy required to provide products and services. There are many technologies and methods available that are more energy efficient than conventional systems.

3. Refrigeration - Wikipedia

   en.wikipedia.org/wiki/Refrigeration

   The Fridge Gate method is a theoretical application of using a single logic gate to drive a refrigerator in the most energy efficient way possible without violating the laws of thermodynamics. It operates on the fact that there are two energy states in which a particle can exist: the ground state and the excited state.

4. Refrigerator - Wikipedia

   en.wikipedia.org/wiki/Refrigerator

   In a house without air-conditioning (space heating and/or cooling) refrigerators consume more energy than any other home device. [38] In the early 1990s a competition was held among the major US manufacturers to encourage energy efficiency. [39] Current US models that are Energy Star qualified use 50% less energy than the average 1974 model ...

5. 10 Easy Ways to Make Your Refrigerator More Efficient - AOL

   www.aol.com/finance/10-easy-ways-refrigerator...

   An energy-efficient refrigerator could help save you money and lower your environmental impact. Check out these tips on how to make your fridge more efficient. 10 Easy Ways to Make Your ...

6. Taming the beast: Energy-sucking refrigerators - AOL

   www.aol.com/2008/03/17/taming-the-beast-energy...

   This week, the big stat was 14%, which is the amount of household electricity that the average refrigerator consumes. By comparison, lighting takes up a measly 9%, clothes Taming the beast: Energy ...

7. House backs bills to roll back energy efficiency standards ...

   www.aol.com/news/house-backs-bills-roll-back...

   House Republicans on Tuesday approved two bills rolling back Energy Department efficiency standards on refrigerators and dishwashers. Republicans called the Biden administration rules expensive ...

8. Einstein refrigerator - Wikipedia

   en.wikipedia.org/wiki/Einstein_refrigerator

   The Einstein–Szilard or Einstein refrigerator is an absorption refrigerator which has no moving parts, operates at constant pressure, and requires only a heat source to operate. It was jointly invented in 1926 by Albert Einstein and his former student Leó Szilárd , who patented it in the U.S. on November 11, 1930 ( U.S. patent 1,781,541 ).

9. Absorption refrigerator - Wikipedia

   en.wikipedia.org/wiki/Absorption_refrigerator

   Common absorption refrigerators use a refrigerant with a very low boiling point (less than −18 °C (0 °F)) just like compressor refrigerators.Compression refrigerators typically use an HCFC or HFC, while absorption refrigerators typically use ammonia or water and need at least a second fluid able to absorb the coolant, the absorbent, respectively water (for ammonia) or brine (for water).