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

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

    If you plan to install your ductless air conditioner in a large room, this model delivers 36,000 BTUs, making it powerful enough to efficiently cool spaces up to 1,500 square feet.

  3. Air conditioning - Wikipedia

    en.wikipedia.org/wiki/Air_conditioning

    Air conditioning can be achieved using a mechanical 'air conditioner' or by other methods, including passive cooling and ventilative cooling. [2][3] Air conditioning is a member of a family of systems and techniques that provide heating, ventilation, and air conditioning (HVAC). [4] Heat pumps are similar in many ways to air conditioners, but ...

  4. Heating, ventilation, and air conditioning - Wikipedia

    en.wikipedia.org/wiki/Heating,_ventilation,_and...

    The benefits of ductless air conditioning systems include easy installation, no ductwork, greater zonal control, flexibility of control, and quiet operation. [34] In space conditioning, the duct losses can account for 30% of energy consumption. [ 35 ]

  5. Variable refrigerant flow - Wikipedia

    en.wikipedia.org/wiki/Variable_refrigerant_flow

    Variable refrigerant flow. Variable refrigerant flow (VRF), also known as variable refrigerant volume (VRV), is an HVAC technology invented by Daikin Industries, Ltd. in 1982. [1] Similar to ductless mini-split systems, VRFs use refrigerant as the primary cooling and heating medium, and are usually less complex than conventional chiller -based ...

  6. What to Know Before Hiring an HVAC Contractor - AOL

    www.aol.com/news/know-hiring-hvac-contractor...

    Sep. 22—(Family Features) For many homeowners, the heating, ventilation, and air-conditioning (HVAC) system is among the home's most important, and most costly, features. This system ensures the ...

  7. 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:

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