Crawlspace Ventilation

The ATMOX System is designed to address crawlspace moisture.

ATMOX takes a common sense approach:  

Only ventilate with outside air when it is beneficial to the crawlspace.

Read more on the ATMOX Vented Crawlspace Setup and the ATMOX Closed Crawlspace Setup.

ATMOX Crawlspace Overview Video

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Crawlspace Moisture Control

ATMOX Crawlspace System uses a dew point comparison of outside conditions and crawlspace conditions to reduce undesired moisture through proper ventilation.

Why use a dew point comparison and not a humidistat?

    A humidity reading in the crawlspace alone will never give you the whole story as humidity is relative to temperature and constantly changing as temperature levels change. Also ventilating the crawlspace will only improve the moisture levels if the outside air is drier than what is already there. ATMOX uses sensors to measure and calculate dew point to determine when fans should run.

    Read more on understanding dew point.

    Crawlspace Ventilation for the ENTIRE Crawlspace

    ATMOX Crawlspace System and Fans are designed as a modular system to adapt to various crawlspace sizes and layouts. 

    ATMOX Fans are designed to be lower in CFM power to more evenly distribute air throughout the entire crawlspace and designed as either exhaust or intake models. Additionally, ATMOX uses internal joist-mounted fans to circulate air within the crawlspace to reach corners and other dead space areas to displace moisture trapped in these areas.

    Learn more about ATMOX Crawlspace Controls and ATMOX Crawlspace Fans.

    Crawlspace Ventilation with Low Voltage 12V DC Wiring

    ATMOX installs with no need for an electrician.

    ATMOX uses one electrical outlet for control, sensors and power supply.  This does not need to be placed in the crawlspace and could be in a nearby garage, closet or utility room.  All fans receive power from this one power supply via 12VDC low voltage cable.  It is an easy "plug and play" setup.


    Incorporation of Optional Dehumidifier

    ATMOX Crawlspace System can handle moisture in the toughest environments and conditions with the optional dehumidifier.

    Some geographic areas and certain crawlspaces suffer from excessive ground moisture and extreme climates. In those instances when a secondary drying action is needed, the ATMOX System will incorporate a dehumidifier to be used efficiently and effectively only in peak situations.  Dehumidifiers are great tools but have drawbacks if used independently in a crawlspace. 

    Read more on dehumidifiers.

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