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  2. Apartment Earth: Energy-Efficient Ways to Cool Off

    www.aol.com/news/2009-08-24-apartment-earth-are...

    So, while you're debating the merits of buying a window air conditioning unit, a fan, or just sitting around your place naked, here are some ways to evaluate Apartment Earth: Energy-Efficient Ways ...

  3. Heating, ventilation, and air conditioning - Wikipedia

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

    Central, "all-air" air-conditioning systems (or package systems) with a combined outdoor condenser/evaporator unit are often installed in North American residences, offices, and public buildings, but are difficult to retrofit (install in a building that was not designed to receive it) because of the bulky air ducts required. [32] (Minisplit ...

  4. Displacement ventilation - Wikipedia

    en.wikipedia.org/wiki/Displacement_ventilation

    Displacement ventilation is best suited for taller spaces (higher than 3 meters [10 feet]). [2] Standard mixing ventilation may be better suited for smaller spaces where air quality is not as great a concern, such as single-occupant offices, and where the room height is not tall (e.g., lower than 2.3 meters [7.5 feet]).

  5. Air conditioning - Wikipedia

    en.wikipedia.org/wiki/Air_conditioning

    The efficiency of air conditioners is often rated by the seasonal energy efficiency ratio (SEER), which is defined by the Air Conditioning, Heating and Refrigeration Institute in its 2008 standard AHRI 210/240, Performance Rating of Unitary Air-Conditioning and Air-Source Heat Pump Equipment. [61]

  6. Is Central Air Worth the Cost? Plus, What You Can Do Instead

    www.aol.com/finance/central-air-worth-cost-plus...

    When the heat of summer finally hits, it can be quite oppressive depending upon where you live. Some homes are able to keep naturally cooler than others, but many people consider installing central...

  7. You can avoid bringing the smoky air into your home with a few key steps.

  8. Register (air and heating) - Wikipedia

    en.wikipedia.org/wiki/Register_(air_and_heating)

    However, the hot air must be pushed from the register with enough force (or "throw") so that it will cross the room and reach the window. If there is too little throw, the hot air will stop moving partway across the room, the cold air from the window will not be heated (creating the feeling of a cool draft), and air circulation will suffer. [9]

  9. Health Experts Explain Why You Should Avoid Window AC Units ...

    www.aol.com/lifestyle/health-experts-explain-why...

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