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2. HVAC control system - Wikipedia

   en.wikipedia.org/wiki/HVAC_control_system

   HVAC (Heating, Ventilation and Air Conditioning) equipment needs a control system to regulate the operation of a heating and/or air conditioning system. [1] Usually a sensing device is used to compare the actual state (e.g. temperature) with a target state. Then the control system draws a conclusion what action has to be taken (e.g. start the ...

3. Heating, ventilation, and air conditioning - Wikipedia

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

   For example, a conventional heat pump system used to heat a building in Montana's −57 °C (−70 °F) low temperature or cool a building in the highest temperature ever recorded in the US—57 °C (134 °F) in Death Valley, California, in 1913 would require a large amount of energy due to the extreme difference between inside and outside air ...

4. Convection heater - Wikipedia

   en.wikipedia.org/wiki/Convection_heater

   An oil heater, also called a column heater, is electrically heated and uses oil as a heat reservoir. Because oil has a high heat capacity and a high boiling point, it is a suitable heat pathway between the heating element and the cavities of the heater unit. [6] [further explanation needed]

5. AOL Mail - AOL Help

   help.aol.com/products/aol-webmail

   Get answers to your AOL Mail, login, Desktop Gold, AOL app, password and subscription questions. Find the support options to contact customer care by email, chat, or phone number.

6. AOL Help

   help.aol.com

   Get answers to your AOL Mail, login, Desktop Gold, AOL app, password and subscription questions. Find the support options to contact customer care by email, chat, or phone number.

7. Direct digital control - Wikipedia

   en.wikipedia.org/wiki/Direct_digital_control

   Direct digital control is the automated control of a condition or process by a digital device (computer). [ 1 ] [ 2 ] Direct digital control takes a centralized network-oriented approach. All instrumentation is gathered by various analog and digital converters which use the network to transport these signals to the central controller.

8. A 90-year-old comedian still does gigs and plays golf. She ...

   www.aol.com/90-old-comedian-still-does-114620116...

   Eat fresh whole foods "I just eat pure food, raw vegetables and fruits. I don't like it when food is all artificial. My mother always said during the war, "Eat the fresh fish.

9. 'Significant' Garbage Truck Explosion Captured in Dramatic ...

   www.aol.com/lifestyle/significant-garbage-truck...

   Shocking doorbell camera footage has captured the moment a garbage truck exploded and injured a firefighter and two police officers in Illinois on Friday, Dec 6.