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  2. 5 Signs That It's Time to Turn on the Heat for Winter ... - AOL

    www.aol.com/lifestyle/5-signs-time-turn-heat...

    Whether you have a furnace or electric heat, knowing the right time to turn your heat on may prolong the system's life, prevent damage (like frozen pipes), and optimize energy efficiency. 1 ...

  3. Heating, ventilation, and air conditioning - Wikipedia

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

    Basing HVAC on a larger network helps provide an economy of scale that is often not possible for individual buildings, for utilizing renewable energy sources such as solar heat, [6] [7] [8] winter's cold, [9] [10] the cooling potential in some places of lakes or seawater for free cooling, and the enabling function of seasonal thermal energy ...

  4. HVAC control system - Wikipedia

    en.wikipedia.org/wiki/HVAC_control_system

    Some signs that could lead to a potential problem is if the HVAC system does not provide air cool enough. [citation needed] That could be due to a leakage in the cooling fluids. Another sign that could mean that the HVAC system is not running perfectly fine is if there is a bad smell to the air that it is providing.

  5. Crankcase heater - Wikipedia

    en.wikipedia.org/wiki/Crankcase_heater

    A crankcase heater is an electrical component in a compressor in an air-conditioning system, heat pump system, or chiller system. The crankcase heater is normally on all the time, even when the unit is not running, though temperature sensors and set points may turn it off when not needed.

  6. Troubleshooting AOL Desktop Gold

    help.aol.com/articles/aol-desktop-troubleshooting

    If AOL Desktop Gold is running slowly, try the solutions listed below. After trying a solution, please see if the problem with your Desktop Gold is fixed. If it's not, please continue to the next solution until the problem is fixed. Exit and restart Desktop Gold • If the issue still exists, proceed to the next step.

  7. Wake’s school HVAC units haven’t done well in the heat. How ...

    www.aol.com/news/wake-school-hvac-units-haven...

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