At 609 West 158th Street NYC, eFlow USA supplied eFlow-CAR Ceiling Mount Fire Damper Assemblies, installed by Zoi Contracting Inc, as part of the building’s retrofit. The 5-story, 25-unit building in Washington Heights, Manhattan, is affordable housing categorized as a Housing Development Fund Corporation (HDFC) property.

Retrofit Ventilation for Affordable Housing in Washington Heights
Each eFlow-CAR Ceiling Mount Fire Damper Assembly houses a constant airflow regulator in a heavy-gauge galvanized steel enclosure designed to accommodate a fire damper and an aluminum grille. The regulator is removable for easy CFM adjustment, and the enclosure is custom sized for the project.
eFlow-CARs at a Glance
- Product Installed: eFlow-CAR Ceiling Mount Fire Damper Assemblies
- Function: Constant airflow regulation in a ceiling assembly designed to accommodate a fire damper and grille
- Operation: The eFlow-CAR itself requires no electricity and no sensors
Project Stakeholders
- Installer: Zoi Contracting Inc
Why eFlow-CARs Matter
- Consistent Exhaust Airflow – Automatically adjusts to changes in duct pressure to hold a set airflow
- Built for Retrofit Work – Custom-sized assemblies, with options that include drywall flanges and a retrofit gasket
- Simple to Set – The eFlow-CAR is removable from the assembly for easy CFM adjustment
Project Overview
- Address: 609 West 158th Street, New York, NY
- Building Type: Affordable Housing (HDFC)
- Number of Floors: 5
- Total Units: 25
- Scope: Retrofit
Ventilation Solutions for Retrofit Projects
eFlow USA supplies ventilation solutions for retrofit projects, from standard constant airflow regulators to custom fire damper assemblies. Explore our full line of Constant Airflow Regulators to find the right solution for your next upgrade.
Take Control of Ventilation Performance Today with eFlow USA
From high-rise residential buildings to affordable housing developments, eFlow USA delivers high-performance ventilation solutions to improve air quality and energy efficiency.
🌐 Website: eflowusa.net
🛒 Order Online: eflowshop.net
📧 Email: sales@eflowusa.net
📞 Call: 1-833-356-9872
eFlow-CAR FACTS
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-CARs promote 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







