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  2. Automotive air conditioning - Wikipedia

    en.wikipedia.org/wiki/Automotive_air_conditioning

    The vehicle owner must personally ensure that the workshop carries out a hygienic cleaning of the air conditioning system using a chemical-mechanical process recommended by the VDI [47] as part of the inspection or an upcoming air filter change. Since the method described has not yet become established in everyday workshop practice, the use of ...

  3. Air door - Wikipedia

    en.wikipedia.org/wiki/Air_door

    A typical commercial air curtain enclosure. In North America, the more commonly-used term for an air door is "air curtain". The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) defines an air door as follows: "In its simplest application, an air curtain is a continuous broad stream of air circulated across a doorway of a conditioned space.

  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. Air conditioning - Wikipedia

    en.wikipedia.org/wiki/Air_conditioning

    The air-to-air type re-evaporates the water, discharges it through the ducted hose, and can run continuously. Many but not all portable units draw indoor air and expel it outdoors through a single duct, negatively impacting their overall cooling efficiency. Many portable air conditioners come with heat as well as a dehumidification function. [73]

  6. Family of death row inmate calls for Tennessee governor to ...

    www.aol.com/family-death-row-inmate-calls...

    The family of Tennessee death row inmate Gary Wayne Sutton held a press conference asking Gov. Bill Lee to examine the case for a potential pardon.

  7. Trump considers privatizing US Postal Service, Washington ...

    www.aol.com/news/trump-considers-privatizing-u...

    The U.S. Postal Service, which has lost more than $100 billion since 2007, reported a net loss of $9.5 billion for its fiscal year ending Sept. 30, $3 billion more than last year, largely due to a ...

  8. DNA evidence leads to suspect 28 years after deadly stabbing

    www.aol.com/dna-evidence-leads-suspect-28...

    Diehl's arrest marked the closure of Ottawa Police's oldest cold case, and the first time the department used genetic genealogy to solve a crime. "By bringing these charges, the Ottawa Police ...

  9. Thermostat - Wikipedia

    en.wikipedia.org/wiki/Thermostat

    The electric heat in defrost mode is needed to keep the system from blowing cold air inside the building. The elements are then used in the "reheat" function. Although the thermostat may indicate the system is in defrost and electric heat is activated, the defrost function is not controlled by the thermostat.