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  1. #27
    Join Date
    Jun 2003
    Madison, WI/Cape Coral, FL
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    During warm calm summer weather, well built homes do not get enough fresh air to purge indoor pollutants and renew oxygen. I have measured many homes that are getting and an air change in 12-24 hours with high levels of common indoor pollutants like formaldehyde and nitrates. Also with several occupants, these homes have very high CO2/low Oxygen levels.
    You should have a fresh air change in 4-5 hours when occupied. This amounts to 75-100 cfm of fresh air at a minimum when occupied.
    Try a small fan in a window, see if it makes a difference. Easy to setup a small duct fan or ventilating dehumidifier to fresh air and maintaining <50%RH for low/no cooling conditions in green grass climates.
    Regards TB
    Bear Rules: Keep our home <50% RH summer, controls mites/mold and very comfortable.
    Provide 60-100 cfm of fresh air when occupied to purge indoor pollutants and keep window dry during cold weather. T-stat setup/setback +8 hrs. saves energy
    Use +Merv 10 air filter. -Don't forget the "Golden Rule"

  2. #28
    Join Date
    Jul 2001
    Post Likes
    on a 175 degree roof Thats a bit far fetched , highest record temperature in USA was Death Valley at 134'F

    You can add SALT to your bottled water if salt tablets are not available.

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