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2. Energy Star - Wikipedia

   en.wikipedia.org/wiki/Energy_Star

   Air sealing reduces the outdoor air that penetrates a building, and duct sealing prevents attic or basement air from entering ducts and lessening the heating/cooling system’s efficiency. Energy Star qualified room air conditioners are at least 10% more energy efficient than the minimum U.S. federal government standards. [28]

3. Stay Cool and Save Energy With the Best Ductless Air Conditioners

   www.aol.com/dont-lose-cool-grab-one-145500276.html

   Ductless mini-split air conditioners are a sleeker alternative to window AC units and bulky HVAC ... the WYS009A-20 is an Energy Star-certified machine that’ll help you save money year-round. It ...

4. Tested and Approved: The Best Air Conditioners for Staving ...

   www.aol.com/lifestyle/best-air-conditioners...

   Most air conditioners have a fan mode, which both pushes the cool air provided by the a/c coil filled with refrigerant into the room and functions as a standalone fan when the a/c is off.

5. Our Editor Tried the Best Air Conditioners on Amazon ... - AOL

   www.aol.com/editor-tried-best-air-conditioners...

   Portable Air Conditioner. This portable air conditioner might have a slender design, but it's able to cool up to 800 square feet of living space for up to a day at a time with its 24-hour time ...

6. Seasonal energy efficiency ratio - Wikipedia

   en.wikipedia.org/wiki/Seasonal_energy_efficiency...

   Air-conditioner sizes are often given as "tons" of cooling, where 1 ton of cooling equals 12,000 BTU/h (3.5 kW). 1 ton of cooling equals the amount of power that needs to be applied continuously over a 24-hour period to melt 1 ton of ice. The annual cost of electric energy consumed by an air conditioner may be calculated as follows:

7. Energy performance certificate - Wikipedia

   en.wikipedia.org/wiki/Energy_performance_certificate

   The program provides information on the energy consumption of products and devices using different standardized methods. The Energy Star label [7] is found on more than 75 different certified product categories, homes, commercial buildings, and industrial plants. In the United States, the Energy Star label is also shown on the Energy Guide ...