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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. Testing, adjusting, balancing - Wikipedia

    en.wikipedia.org/wiki/Testing,_adjusting,_balancing

    In heating, ventilation, and air conditioning (HVAC), testing, adjusting and balancing (TAB) are the three major steps used to achieve proper operation of heating, ventilation, and air conditioning systems. TAB usually refers to commercial building construction and the specialized contractors who employ personnel that perform this service.

  4. 5 things you should (and should not) do to make your AC unit ...

    www.aol.com/news/5-things-not-ac-unit-140622695.html

    5 expert tips for making your air conditioning unit run better. Here’s what Smith recommends: 1. Annual maintenance: “Have a professional come check the controls to make sure the electricity ...

  5. Heating, ventilation, and air conditioning - Wikipedia

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

    Heating, ventilation, and air conditioning (HVAC) is the use of various technologies to control the temperature, humidity, and purity of the air in an enclosed space. Its goal is to provide thermal comfort and acceptable indoor air quality .

  6. Commissioning (construction) - Wikipedia

    en.wikipedia.org/wiki/Commissioning_(construction)

    These typically include heating, ventilating, air-conditioning and refrigeration (HVAC/R), electrical power, lighting, fire suppression and alarm, and security systems, etc. Building controls also have the ability to monitor and control systems to improve performance, conserve energy, conserve water, and control lighting. The greater control ...

  7. Should You Close Vents In Unused Rooms During Winter? An HVAC ...

    www.aol.com/lifestyle/close-vents-unused-rooms...

    HVAC systems are designed to maintain a specific and balanced airflow known as CFM, or cubic feet per minute, throughout a home. Closing vents can increase pressure in the ductwork, potentially ...

  8. Sweet News: These Are the Most Popular Christmas Cookies in ...

    www.aol.com/sweet-news-most-popular-christmas...

    This map from Google Trends shows which Christmas cookies are the most searched for in America by state in 2024. See if your favorite made the list.

  9. Demand controlled ventilation - Wikipedia

    en.wikipedia.org/wiki/Demand_controlled_ventilation

    Although CAV systems cannot modulate airflow, researchers have experimented with running CAV system equipment intermittently to reduce energy consumption. [1] In this proposed system, the HVAC equipment is to run continuously when the space is occupied, then cycle on and off to maintain indoor air quality during inoccupancy. [1]

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