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2. Household water complaints spike amid environment and meter ...

   www.aol.com/household-water-complaints-spike...

   The number of complaints escalated to the Consumer Council for Water by households rose by almost a third in 2023-24. Household water complaints spike amid environment and meter concerns Skip to ...

3. Indoor air quality - Wikipedia

   en.wikipedia.org/wiki/Indoor_air_quality

   Instead of setting throughput at a fixed air replacement rate, carbon dioxide sensors are used to control the rate dynamically, based on the emissions of actual building occupants. [citation needed] One way of quantitatively ensuring the health of indoor air is by the frequency of effective turnover of interior air by replacement with outside air.

4. Heating, ventilation, and air conditioning - Wikipedia

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

   Ventilating or ventilation (the "V" in HVAC) is the process of exchanging or replacing air in any space to provide high indoor air quality which involves temperature control, oxygen replenishment, and removal of moisture, odors, smoke, heat, dust, airborne bacteria, carbon dioxide, and other gases. Ventilation removes unpleasant smells and ...

5. Carbon dioxide sensor - Wikipedia

   en.wikipedia.org/wiki/Carbon_dioxide_sensor

   CO 2 concentration meter using a nondispersive infrared sensor. NDIR sensors are spectroscopic sensors to detect CO 2 in a gaseous environment by its characteristic absorption. . The key components are an infrared source, a light tube, an interference (wavelength) filter, and an infrared detec

6. Oxygen sensor - Wikipedia

   en.wikipedia.org/wiki/Oxygen_sensor

   An oxygen analyser for breathing gas mixtures for diving. The type of oxygen sensor used in most underwater diving applications is the electro-galvanic oxygen sensor, a type of fuel cell, which is sometimes called an oxygen analyser or ppO 2 meter. They are used to measure the oxygen concentration of breathing gas mixes such as nitrox and ...

7. AOL Video - Serving the best video content from AOL and ...

   www.aol.com/video

   The AOL.com video experience serves up the best video content from AOL and around the web, curating informative and entertaining snackable videos.