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Duct Heaters

Duct heaters used in forced air applications provide dedicated space heat or supplement existing heating systems. Typical applications are:

  • Space heating
  • Primary heating
  • Secondary and/or auxiliary heating
  • Reheat
  • Multi-zone and VAV systems
  • Replacement

OVERVIEW

Duct Heaters (IDHB) | Greenheck

IDHB

The IDHB series is a basic, economical duct heater available in limited sizes. This duct heater features:

  • UL 1996 licensed
  • 50/60 Hz compatibility
  • Zero clearance
  • Fan interlock
  • Power and control terminal boards
  • Automatic reset thermal safety switch for primary over temperature protection
  • Manual reset thermal safety switch for secondary over temperature protection
  • Heavy gage G60 construction with hinged access cover

Capacity and stages are dependent on voltage/phase and heater dimensions.

Capacity: 39.9 kW maximum

Stages: 3 maximum

Certifications:

UL 1996

Purchase Options:
Duct Heaters (IDHE) | Greenheck

IDHE

The IDHE is a universal duct heater that eliminates the need for right- and left-handed designs. The IDHE has the following features:

  • Six mounting positions with vertical up and down flow
  • Rotation to fit the requirements and location of the HVAC system
  • Standalone duct heater capability
  • Lower standard heater wire watt density and higher duct to heat coverage
  • Single- or three-phase
  • Disconnecting contactors
  • Recessed or offset control box
  • 80/20 (Ni/Cr) resistance wire
  • Vapor barrier
  • Gasketed cover

Capacity is dependent on voltage/phase and heater dimensions.

Capacity: 30 kW per square foot

Certifications:

UL 1996

Purchase Options:
Duct Heaters (IDHE-O) | Greenheck

IDHE-O

The IDHE-O is a duct heater that is UL listed for outdoor applications. This duct heater can be mounted in multiple positions like the IDHE.
  • Six mounting positions with vertical up and down flow
  • Designed for zero clearance
  • Recessed control box
  • Single or three phase
  • Power fusing required
  • NEMA 4 enclosure
Certifications:

UL 1996