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  2. Home inspection checklist for buyers: What to know - AOL

    www.aol.com/finance/home-inspection-checklist...

    Water heater Fixtures and faucets Sump pumps Sewage ejectors ... such as mold or carbon dioxide testing, but expect to pay additional fees for these specialized tests. ... These could include mold ...

  3. Boiler feedwater - Wikipedia

    en.wikipedia.org/wiki/Boiler_feedwater

    Oxygen and carbon dioxide are removed from the feed water by deaeration. Deaeration can be accomplished by using deaerator heaters, vacuum deaerators, mechanical pumps, and steam-jet ejectors. In deaerating heaters, steam sprays incoming feed water and carries away the dissolved gases.

  4. Water heating - Wikipedia

    en.wikipedia.org/wiki/Water_heating

    At high combustion efficiencies a drain must be supplied to handle the water condensed out of the combustion products, which are primarily carbon dioxide and water vapor. In traditional plumbing in the UK, the space-heating boiler is set up to heat a separate hot water cylinder or water heater for potable hot water.

  5. Boiler water - Wikipedia

    en.wikipedia.org/wiki/Boiler_water

    Boiler water is liquid water within a boiler, or in associated piping, pumps and other equipment, that is intended for evaporation into steam. The term may also be applied to raw water intended for use in boilers, treated boiler feedwater , steam condensate being returned to a boiler, or boiler blowdown being removed from a boiler.

  6. Own a pool in Southern California? New air-quality rule ...

    www.aol.com/news/own-pool-southern-california...

    The rule would also slash planet-warming carbon emissions equivalent to removing 1.2 million cars from the road for one year. ... Gas-fired water heaters will be banned from existing buildings ...

  7. Indoor air quality - Wikipedia

    en.wikipedia.org/wiki/Indoor_air_quality

    Carbon dioxide concentrations in closed or confined rooms can increase to 1,000 ppm within 45 minutes of enclosure. For example, in a 3.5-by-4-metre (11 ft × 13 ft) sized office, atmospheric carbon dioxide increased from 500 ppm to over 1,000 ppm within 45 minutes of ventilation cessation and closure of windows and doors.

  8. Carbon dioxide - Wikipedia

    en.wikipedia.org/wiki/Carbon_dioxide

    Carbon dioxide is soluble in water and is found in groundwater, lakes, ice caps, and seawater. It is a trace gas in Earth's atmosphere at 421 parts per million (ppm), [a] or about 0.042% (as of May 2022) having risen from pre-industrial levels of 280 ppm or about 0.028%.

  9. Flue gas - Wikipedia

    en.wikipedia.org/wiki/Flue_gas

    Quite often, the flue gas refers to the combustion exhaust gas produced at power plants.Its composition depends on what is being burned, but it will usually consist of mostly nitrogen (typically more than two-thirds) derived from the combustion of air, carbon dioxide (CO 2), and water vapor as well as excess oxygen (also derived from the combustion air).

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