Founded in 1971, Nailor has become a global leader in the HVAC industry, known for our quality and innovation. We provide energy-efficient solutions for commercial, industrial, and institutional markets, ensuring comfort and performance.

As we look to the future, our commitment to sustainability and cutting-edge technology drives us to shape the HVAC industry. Join us on our journey.

(D)0120DOW are new Type B “out-of-wall” curtain fire dampers designed for fully ducted applications. These models comply with building codes that require fire protection for HVAC ductwork through walls, partitions, or floors, with up to a 2-hour rating.

Features
•    D0120DOW is rated for dynamic systems (fans on) up to 2000 fpm @ 4” w.g.
•    0120DOW is rated for static systems (fans off).

The perfect solution for clean room applications.

Features:
• All models available with high-efficiency ECM in forward or backward-curve fans
• Complete aluminum construction
• Standard HEPA filter with 99.99% efficiency
• Available ULPA with 99.9995% efficiency
• Room side removable filter design for fast and easy access
• Modbus native with optional BACnet capability for BMS/BAS communications

Innovative Airflow Mixing 
• UNI2 Plaque Diffusers exemplary performance and looks.
• Effectively mix conditioned and ventilated air.
• Enhance comfort by preventing air stratification.
• Simplify your system by using less units.

33SZ Series

• Energy Efficient EPIC EC Motor (ECM)
• 2, 4, or 6 Row Chilled Water Coil for Maximum Capacity
• Standard & Low-Profile Sizes Available with IAQ Liner Options
• Versatile, Familiar, Simple