Back pressure in the dryer's exhaust system is always changing.  Over time, it increases because of lint buildup, crushed hoses, damaged vent hoods and—surprisingly often—animal nests.  The LintAlert® works to protect you by continually monitoring airflow and showing the exact pressure in the exhaust system.  Armed with this information, you can save energy and be certain the dryer is operating at safe levels.

Air Pressure Sensor
The LintAlert gathers this information through a highly discriminating digital pressure sensor. It detects extremely small changes in water column inch (WCI) pressure by sampling minute amounts of airflow. Because of the very small volume of air sampled, there is zero impact to air pressure in the duct.

Onboard Computer
The air pressure samples are then analyzed by a programmable integrated circuit. This small onboard computer evaluates data to know whether the dryer is on and how the exhaust system is performing. Most importantly, it learns each unique system (click here to learn more about computer calibration) so it can compare current airflow to optimal, then report changes over time.

LED Indicators
These changes are shown through a simple to understand LED interface where green indicators, turn to yellow, and then red as pressure becomes more problematic. Optimal performance is shown with a single green indicator glowing. As airflow naturally becomes restricted over time, the second, then third green indicator will illuminate. This is a good time to clean the dryer and duct system for best energy efficiency and safety.  In the event the system is not cleaned at that point, the yellow and red indicators will eventually illuminate. Once pressure becomes dangerous (or there is a sudden obstruction) all LEDs flash in unison and an audio alarm sounds.

Dryer Duct Connection
For the sensor to sample pressure in the system, a self-tapping fitting, the SmartTap™, attaches to the transition hose behind the dryer. This fitting is connected to the alarm module by a 1/8" tube and provides flexibility to plug the alarm module into the nearest power outlet (to conserve available power sources, the LintAlert includes a pass through terminal into which other electronic devices can be plugged).

Lint Alert Dryer Vent Monitoring Device
Protect Your Family for as little as $99.99 Complete!
* Promotional Discount Good only if Installed at Time of Cleaning or Vent Replacement
All parts and labor are included in price. Regular Installation Cost is $99.99 without cleaning or vent replacement

You'll Always Know How Your Dryer's Performing
Dryer Safety - What You Need to Know
According to the U.S. Fire Administration (Division of U.S. Department of Homeland Security), clothes dryers were involved in an estimated 15,600 U.S. structure fires, fifteen deaths, 400 injuries, and $99 million in direct property damage, annually, between 2002-2004.

"Failure to clean" is the leading factor contributing to clothes dryer fires in residential buildings.

A clothes dryer works by forcing hot dry air through a turning drum. The combination of tumbling clothes and the rapid replacement of hot dry air dries the clothes. Lint and moisture are bi-products of this process and are pulled from the drum by fan motor and then pushed through the remaining exhaust conduit. The exhaust conduit is comprised of the flex transition hose found immediately behind your dryer, the 4" rigid galvanized pipe and elbow fittings found within the wall framing, and the vent duct termination found outside the house.

Dryer Fires
Bottom Line: while the majority of the lint is trapped by the dryer's lint filter, a fair portion escapes past the filter and is suspended in the moist heated exhaust air. Lint buildup in the dryer vent reduces air flow and accelerates more lint buildup. Lint blow-back into the appliance is the result and the ultimate ignition concern. Dryer fires can occur within the actual appliance or within the duct pipe. They can smolder for hours or be accelerated by the oxygen rich air that is provided by an operating dryer.

Regular inspections and maintenance of the clothes dryer exhaust is recommended by all dryer manufacturers. For the security minded homeowner, the LintAlert® provides a means to determine if and when your dryer's exhaust is blocked.

Dryer Efficiency
Beyond the inherent fire dangers of an improperly venting dryer, the reduction in efficiency that vent problems create should also be a concern.  Over time, lint accumulates in every dryer's exhaust system.  The result is longer dryer times which waste energy and wear out your clothes. The LintAlert® continually monitors exhaust pressure and shows you how the dryer is performing.  When you know how efficiently it's exhausting, you can save money on clothes and energy.  And—back to the safety issue—it's good to know how your exhaust is performing and to always keep your exhaust conduit cleaned

Proper Dryer Maintenance

By observing a few simple indications of poor system performance, one can examine the dryer components for any blockage or excessive heat. A clogged dryer vent may be your problem if: you notice heavy clothes such as blue jeans or towels taking a long time to dry, or clothes feel hotter than usual at the end of the cycle.

Follow these few safety tips:

  • Clean the lint screen/filter before or after drying each load of clothes. If clothing is still damp at the end of a typical drying cycle or drying requires longer times than normal, this may be a sign that the screen or the exhaust duct is blocked. Inspect lint screen for rips. If any are found, replace immediately.

  • Replace plastic or foil, accordion-type ducting material with a rigid or corrugated semi-rigid metal duct. Most manufacturers specify the use of a rigid or corrugated semi-rigid metal duct, which provides maximum airflow. The flexible foil type duct can more easily trap lint and is more susceptible to kinks or crushing, which can greatly reduce the airflow. Note: WHITE VINYL HOSE is prohibited and should never be used in dryer venting.

  • Disconnect, clean, and inspect the dryer duct and venting every couple of years, or hire a professional company to clean the dryer components. Some dryer vents may need more frequent inspection, such as in homes with complex construction where the dryer vents exceed 6 feet from the outside, or with smaller stack dryers and dryers that are older and do not have moisture sensors or high temperature safety limit controls. This will reduce the fire risk and increase the dryer's efficiency.

  • Wasp Nest Obstructing Vent Inspect your outside exhaust termination. Outside wall dampers should have a covering that will keep out rain, snow, and dirt. However, do not use wire screen or cloth of any kind to protect the exhaust opening. It can collect lint and clog areas of the dryer vent. In order to deter birds and small animals from nesting in vents, make sure the dryer vent system and damper are working suitably.

  • Keep the area around the dryer clean and free from clutter. Clean behind dryer, where lint can build up. Have a qualified service person clean the interior of the dryer chassis periodically to minimize the amount of lint accumulation.

  • Never let your clothes dryer run while you are out of the house or asleep. If it malfunctions, no one will be there to avert possible disaster.

  • Never put synthetic materials such as rubber, plastic, foam, or pieces of cloth that have been used to sponge up flammable liquids in the dryer, even if previously washed. Vapors from these products could ignite or explode.

  • Have gas-powered dryers inspected by a professional annually to ensure that the gas line and connection are intact and free of leaks.

  • Install a smoke detector in or near your laundry room. Consider installing a carbon monoxide detector if using a gas-powered dryer.

  • And, of course, monitor the exhaust conduit with a LintAlert®.

Source: Departments of Homeland Security, Consumer Product Safety Commission

Dryer Vent Solutions of Athens
4255 Old Danielsville Rd.
Athens, GA 30601
Athens (706) 248-3596

Serving Clarke, Madison, Hart, Franklin, Oconee, Ogelthorpe, Jackson, Habersham, Barrow, Putnam, Morgan, Hart Counties
Athens Area
(706) 248-3596

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