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  2. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  3. Free cooling - Wikipedia

    en.wikipedia.org/wiki/Free_cooling

    Free cooling is an economical method of using low external air temperatures to assist in chilling water, which can then be used for industrial processes, or air conditioning systems. The chilled water can either be used immediately or be stored for the short- or long-term. When outdoor temperatures are lower relative to indoor temperatures ...

  4. CLIMATE GLIMPSE: Here's what you need to see and know today - AOL

    www.aol.com/news/climate-glimpse-heres-see-know...

    Some 500 cooling centers have opened across the city’s five boroughs, and the governor authorized the state’s swimming pools to stay open later. The extreme heat was forecast to ease Sunday.

  5. Heating, ventilation, and air conditioning - Wikipedia

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

    Free cooling systems can have very high efficiencies, and are sometimes combined with seasonal thermal energy storage so that the cold of winter can be used for summer air conditioning. Common storage mediums are deep aquifers or a natural underground rock mass accessed via a cluster of small-diameter, heat-exchanger-equipped boreholes.

  6. Freeze warnings issued for millions with the coldest ...

    www.aol.com/news/coldest-air-months-way-millions...

    The high temperature in Washington, DC, on Wednesday could top out in the mid-50s — 10 to 15 degrees lower than normal for mid-October. Atlanta could struggle to break into the low 60s on ...

  7. Your Questions About Air Conditioning, Answered - AOL

    www.aol.com/lifestyle/questions-air-conditioning...

    How does air conditioning affect air quality, human health, and the planet? ... Mail. 24/7 Help. For premium support please call: 800-290-4726 more ways to reach us. Mail. Sign in. Subscriptions;

  8. National Climatic Data Center - Wikipedia

    en.wikipedia.org/wiki/National_Climatic_Data_Center

    The United States National Climatic Data Center (NCDC), previously known as the National Weather Records Center (NWRC), in Asheville, North Carolina, was the world's largest active archive of weather data. In 2015, the NCDC merged with two other federal environmental records agencies to become the National Centers for Environmental Information ...

  9. AOL Weather - AOL Help

    help.aol.com/products/aol-weather

    Use AOL Weather to check the current temperature, view the forecast by the hour, get your 7-Day outlook and catch up on weather related news in one quick click.