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The Brooklyn Tower, 9 DeKalb Avenue, Brooklyn, NY

eFlow-Constant Airflow Regulators: Elevating Indoor Air Quality in Brooklyn’s Skyline Marvel

In the heart of Brooklyn, at 9 DeKalb Avenue, stands The Brooklyn Tower, a soaring testament to modern architecture and urban living. At 93 stories and 1,066 feet tall, it’s not just the tallest building in Brooklyn, NY, but also a beacon of innovative building technology. Central to this architectural wonder, developed by JDS Development Group and designed by the award-winning SHoP Architects, is the implementation of eFlow-Constant Airflow Regulators (eFlow-CARs), a cutting-edge solution for maintaining optimal air quality and odor control.

The Integration of eFlow-CARs: A Breath of Fresh Air

Spanning 150 condominium units, 280 market-rate rentals, and 120 affordable rentals, The Brooklyn Tower faces the complex challenge of ensuring a comfortable and healthy living environment for its diverse residents. This is where eFlow-CARs come into play. Installed throughout the building’s trash chute system, these regulators are a game-changer in managing airflow and mitigating unpleasant odors—a common concern in high-rise buildings.

Why Odor Control Matters in High-Rise Living

In dense urban environments, especially in high-rise structures like The Brooklyn Tower, effective odor control is not just about comfort; it’s a critical aspect of indoor air quality. Odor issues, often stemming from waste management areas, can significantly impact the living experience. eFlow-CARs address this by maintaining a constant and balanced airflow, preventing the spread of odors from the trash chutes to residential areas.

The Benefits of eFlow-CARs

Improved Air Quality: By regulating airflow, eFlow-CARs ensure that air circulated within the building is fresh, reducing the risk of pollutants and odors permeating living spaces.

Energy Efficiency: These regulators optimize the building’s HVAC system, leading to reduced energy consumption and lower utility costs—a boon for both the environment and the residents.

Enhanced Living Experience: The effective management of odors and air quality directly contributes to a more pleasant and healthier living environment, a key factor in resident satisfaction.

Maintenance Ease: Designed for durability and efficiency, eFlow-CARs require minimal maintenance, ensuring long-term, hassle-free operation.

A Model for Future Developments

The successful implementation of eFlow-CARs in The Brooklyn Tower serves as a model for other high-rise developments, particularly in urban settings. It demonstrates how technology can be leveraged to improve living conditions, setting a new standard in residential building design.

The Brooklyn Tower, with its towering presence and advanced features like eFlow-CARs, is more than just a residential building; it’s a beacon of modern living, where comfort, health, and sustainability coexist. As residents enjoy the breathtaking views and luxurious amenities, they can also breathe easier, knowing that their home is equipped with state-of-the-art solutions for a healthier indoor environment.

Installation of eFlow-Products was undertaken by Serge Duct Designs, Inc.  eFlow collaborated directly with Serge Duct Designs, Inc on this project.

Photo Credits JDS Development via SHoP


Visit eflowusa.net for product information and pricing or email [email protected]



eFlow-CAR is a simple solution to balancing ventilation systems. Constant Airflow Regulator is a device that automatically regulates airflows in ventilation systems to constant levels. The passive control element responds to duct pressure, and requires no electric sensors, pneumatic sensors or controls. eFlow-CARspromote high indoor air quality and energy savings.

  • UL 2043 Classified
  • Composed of fire resistant UL 94 ABS plastic
  • Diameters offered: 3”, 4″, 5”, 6”, 8″, 10″
  • Operating Pressure Range: 0.08 to 2.4 in w.g. (20-600Pa)
  • Airflow settings: 15-765 CFM
  • Temperature Limits: -22° to 140°F (-30° to 60°C)
  • Suitable for both supply and exhaust applications
  • No external power supply needed
  • Field Adjustable CFM set point
  • Capable of maintaining constant airflow within +- 5% for nominal airflow throughout the target operating pressure range of 0.08 to 2.4 in.
  • Standard for Energy Efficient Compliance



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