TRION Introduces a Motorized Air Damper for the Residential Market

| May 7, 2015

Trion Indoor Air Quality

Ventilation control system solution for the home promotes better indoor air quality

SANFORD, NC (May 1, 2015)TRION®, an innovative, international company dedicated to providing quality products for the commercial, industrial, and residential markets since 1947, is proud to introduce the latest product offering in residential indoor air quality.The Trion Motorized Damper (TMD520) is designed to introduce fresh air into the building envelope through an intake damper that is controlled by the microprocessor based ventilation control interface. The system controls the amount of outdoor ventilation, promoting healthier indoor air quality, as required by the Ventilation and Air Quality Standard defined in ASHRAE 62.2.  This standard defines both the roles of – and minimum requirements for – mechanical and natural ventilation systems and the building envelope intended to provide acceptable indoor air quality (IAQ) in low-rise residential buildings.

The average American spends 90 percent of the day inside.  According to Energy Star, a U.S. Environmental Protection Agency, indoor air is often two to five times more polluted than outdoor air. Ventilation systems can significantly improve a home’s air quality by removing allergens, pollutants, and moisture that can cause mold problems. When homes rely on air flow through walls, roofs, and windows for ventilation, there is no control over the source or amount of air that comes into the house. Air leaking into the house may come from undesirable areas such as the garage, attic, or crawl space. Mechanical ventilation systems provide proper, fresh air flow, along with appropriate locations for intake and exhaust.

With a quick, easy installation and set-up, the TMD520 is beneficial in satisfying ventilation as well as controlling application-specific ventilation set points.

The TMD520 is a fresh air damper solution applicable for apartment complexes, condominiums, single family homes, and light commercial dwellings with features that include:

  • Sizes ranging from 5” to 20” in diameter
  • Adjustable damper position range stops
  • Single-blade damper
  • Galvanized steel
  • Shipped as power open/spring closed
  • Can be field-converted to power close/spring open
  • Blade closes off tightly against gasket for minimal leakage
  • Rated to operate up to 1 in. wc
  • Male (crimped) and female (uncrimped) ends to connect to any rigid or flexible round duct

“We are proud to offer another great indoor air quality solution to our business partners and customers with an emphasis on sustainable homes and energy savings,” says Tony Quick, Director of Residential Sales at TRION.

More information about the TMD520 and other residential air quality applications can be found at TRION Residential Products or by contacting TRION at


TRION Indoor Air Quality (IAQ) provides innovative products across the commercial, industrial, and residential markets. Specifically, TRION manufactures air cleaners, air filters, humidifiers, dehumidifiers, kitchen exhaust units, mist precipitators, and smoke eliminators. TRION’s IAQ solutions are engineered specifically to provide a clean, safe, and comfortable indoor air environment. TRION IAQ is a brand within Air System Components, Inc. (ASC). ASC is a division of Air Distribution Technologies, Inc. (ADTI). ADTI is a subsidiary of Johnson Controls. For more information about TRION IAQ solutions, contact your local representative or visit us on the web at

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