The smart and scientific way to manage moisture in the crawlspace.The smart and scientific way to manage moisture in the crawlspace.

Crawlspace Moisture Management

October 28, 2008

Understand Moisture ProblemUnderstand Moisture Problem

Which has more moisture?Which has more moisture?

70 Degrees90% Relative Humidity

95 Degrees45% Relative Humidity

Understand Moisture ProblemUnderstand Moisture Problem Dew point is a better measurement of moisture. Dew point is a better measurement of moisture. In this illustration, there is actually more moisture outside than in the In this illustration, there is actually more moisture outside than in the

crawlspace.crawlspace.

70 Degrees90% Relative Humidity

95 Degrees45% Relative Humidity

70 Degree Dew Point

67 Degree Dew Point

Why Dew Point MattersWhy Dew Point Matters

Dew point is a measurement of the Dew point is a measurement of the moisture in the airmoisture in the air Humidity levels can trick you.Humidity levels can trick you. Humidity is relative to the temperatureHumidity is relative to the temperature

Once you get to 100% relative Once you get to 100% relative humidity at a given temperature humidity at a given temperature the capacity of moisture in the air the capacity of moisture in the air has been reachedhas been reached

This is when you get condensation.This is when you get condensation.

Crawlspace MoistureCrawlspace Moisture

What is causing the moisture?What is causing the moisture? Water intrusionWater intrusion Ground moistureGround moisture Limited height and airflow Limited height and airflow

blockageblockage Decks and porchesDecks and porches HVAC systemsHVAC systems Sprinkler systemsSprinkler systems

Dealing with ProblemsDealing with Problems

What are the options?What are the options? Temperature sensitive ventsTemperature sensitive vents Fans on humidistat or timerFans on humidistat or timer Closed crawlspace with dehumidifierClosed crawlspace with dehumidifier Conditioned crawlspace with HVACConditioned crawlspace with HVAC ATMOX Crawlspace Management SystemATMOX Crawlspace Management System

Crawlspace EnvironmentCrawlspace Environment

Crawlspace must be Crawlspace must be properly ventilatedproperly ventilated

Only drier air from the Only drier air from the outside will help the outside will help the crawlspacecrawlspace

This is the basic principle This is the basic principle of ATMOXof ATMOX

How ATMOX WorksHow ATMOX Works

ATMOX controls use ATMOX controls use sensors to measure dew sensors to measure dew point inside and outside point inside and outside the crawlspace.the crawlspace.

The system knows when The system knows when to ventilate to improve to ventilate to improve conditions.conditions.

It is completely automatic It is completely automatic and adjusts for and adjusts for temperature conditions temperature conditions and time of year.and time of year.

ATMOX EZ SystemATMOX EZ System The ATMOX EZ SystemThe ATMOX EZ System

Runs entirely on DC-Power – Runs entirely on DC-Power – no electrician needed for no electrician needed for installationinstallation

Can run up to 6 ATMOX DC-Can run up to 6 ATMOX DC-Powered FansPowered Fans

The ATMOX EZ 4-Fan KitThe ATMOX EZ 4-Fan Kit Includes 2 Exhaust and 2 Includes 2 Exhaust and 2

Intake DC-Powered Fans Intake DC-Powered Fans (Each 145cfm)(Each 145cfm)

Optional Additions to SystemOptional Additions to System Additional Exhaust Fans and Additional Exhaust Fans and

Dead Corner Fans availableDead Corner Fans available

ATMOX UL AC-Power FansATMOX UL AC-Power Fans Fans create a cross Fans create a cross

circulation of natural air flowcirculation of natural air flow Fans are extremely quietFans are extremely quiet Can be controlled by various Can be controlled by various

meansmeans Suggest control by ATMOX Suggest control by ATMOX

Smart or Compact SystemSmart or Compact System

Double fans are either intake or exhaust.

Single fans are mounted internally for “dead corner” ventilation.

UL AC-Fan

Modular SolutionModular Solution

Every crawlspace is Every crawlspace is different.different.

ATMOX is easily adapted ATMOX is easily adapted to unusual crawlspaces.to unusual crawlspaces.

ATMOX can be modified ATMOX can be modified to accommodate to accommodate crawlspaces as needed crawlspaces as needed through our various through our various systems and fans.systems and fans.

ATMOX INCATMOX INC

For more information, contact:For more information, contact: J. Paul AbramsJ. Paul Abrams PGA Sales & Marketing, Inc.PGA Sales & Marketing, Inc. Phone: 910-279-1222 Phone: 910-279-1222 Email: Email: pgasales@bellsouth.net Web: www.pgasales.netWeb: www.pgasales.net

www.atmox.comwww.atmox.com