Custom Duct Heaters
Custom Duct Heaters Overview
ZIRCO distributes INDEECO Custom Duct Heaters as the official Canada representative. With over 55 years of experience in custom electric heating solutions, INDEECO engineers each duct heater to your exact airflow, dimensional, and electrical requirements for optimal performance in air handling units and HVAC systems.
These custom-engineered heaters support capacities from 0.1 kW to over 900 kW with face areas up to 40' wide x 14' high. Whether for OEM installation or field retrofits, INDEECO's proven construction techniques ensure reliable operation in commercial, industrial, marine, and railway applications throughout Western Canada.
From standard commercial buildings to harsh environment installations, INDEECO offers specialized solutions including marine-duty certified heaters, railway and subway applications, VAV systems, round duct constructions, and NEMA 4/12 enclosures for wet, dusty, or corrosive environments.
Why Choose INDEECO Custom Duct Heaters?
Custom Engineering
Over 55 years designing custom electric heaters to exact airflow, dimensional, and electrical requirements for unique applications. Each heater is engineered specifically for your project's specifications.
Wide Capacity Range
Capacities from 0.1 kW to over 900 kW with face areas up to 40' wide x 14' high for any scale project. Multi-section assemblies available up to 2,000 kW.
Marine Certified
ABS Approved and meets US Coast Guard requirements for shipboard use with corrosion-resistant construction. Certified for marine-duty applications worldwide.
Special Applications
Expertise in railway and subway heaters with 35+ years experience, VAV systems, multi-zone applications, round duct constructions (6-28 inch), and modular designs matching AHU components.
Harsh Environment Options
NEMA 4, NEMA 12, and UL Listed 3R enclosures for outdoor, wet, dusty, corrosive, and washdown environments. Stainless steel construction, insulated terminal boxes, and protective screens available.
Proven Reliability
Wide range of proven construction techniques ensuring optimal performance, long-term reliability, and simplified installation. Over 55 years of field-proven experience in demanding applications.
Technical Specifications
Special Applications
| Application | Description |
|---|---|
| Air Conditioning & Air Handling Units | 55+ years supplying special heaters for AHU applications with modular construction matching adjacent components |
| Modular Construction | Designed to match adjacent AHU components with unheated sections and pressure plates for uniform airflow |
| Round Duct Construction | UL listed open coil heaters for 6-28 inch diameter round ducts with transitions for conventional HVAC connections |
| Railway and Subway | Heavy gauge corrosion resistant frames, oversized coil supports, meets rail car standards with 35+ years experience |
| Multi-Zone/Dual Duct | Coils derated to 25 watts/sq inch for variable/uneven airflow with SCR control and computerized design system |
| Marine Duty | ABS Approved, US Coast Guard certified for shipboard use with corrosion-resistant construction |
| VAV Units | Computerized design system for fast delivery with slip-and-drive connections and variable airflow capability |
Wet, Dusty, Corrosive Area Features
| Feature | Description |
|---|---|
| Disconnect Switch | Door interlock with manual and automatic reset thermal cutouts for safe servicing |
| Materials | Stainless steel frame, large diameter finned tubular elements, stainless hardware for corrosion resistance |
| Outdoor UL Listed 3R | Protection against rain, sleet, ice with water-tight hubs for outdoor installations |
| NEMA 12 Terminal Box | Heavy duty industrial for dust and oil with gasketed cover for harsh environments |
| NEMA 4 Terminal Box | Weatherproof for washdown areas with water-tight hubs and corrosion-resistant construction |
| Bottom Mounted Box | For installations with limited side access, flexible mounting options |
| Pressure Plates | 40% open plate to even airflow in non-uniform installations and blocked areas |
| Unheated Sections | Open or blocked sections for areas with no airflow or specific bypass requirements |
| Slip-and-Drive | Conventional HVAC connections with rugged flanged mounting for easy installation |
| Dust-Tight Construction | Spot welded sealed box with gasketed cover for plenum applications and dust containment |
| Insulated Terminal Box | Prevents condensation in unconditioned spaces and thermal protection |
| Protective Screens | 3/8" wire mesh protects personnel and prevents contamination in duct system |
| Lined Duct Construction | Suitable for ducts with up to 1" interior insulation with special mounting provisions |
Remote Panelboard Options
- Disconnecting controlling contactors (break all ungrounded lines)
- Dead front pilot switch for safe servicing and maintenance
- Built-in fusing per UL and NEC standards
- NEMA 1, 3R, 4, and 12 enclosures available
- Explosion-proof panels available for hazardous locations
- Wall, flush, or floor mounting configurations
Capacity Range
- Individual heaters: 0.1 kW to 900+ kW
- Multi-section assemblies: Up to 2,000 kW
- Face areas: Up to 40' wide x 14' high
- Custom dimensions: Engineered to exact requirements
- Voltage options: All standard voltages available
- Phase configurations: Single or three-phase
Typical Applications
- Commercial and industrial air handling units
- Rooftop HVAC units and packaged systems
- Marine vessels and offshore platforms
- Railway and subway heating systems
- Variable Air Volume (VAV) systems
- Outdoor installations requiring weatherproof construction
- Washdown areas and food processing facilities
- Dusty environments and manufacturing facilities
- Corrosive environments and chemical plants
- Round duct applications and retrofits
Product Literature & Resources
Technical Documents
Contact for More Information
ZIRCO is the authorized Canada representative for INDEECO Custom Duct Heaters. Contact our team for:
- Custom design engineering for your exact requirements
- Technical specifications and application support
- Quotations and delivery information
- Marine, railway, and VAV system expertise
- Harsh environment application assistance
- After-sales service and support
Need Custom Engineered Duct Heating Solutions?
Contact our team today to discuss how INDEECO Custom Duct Heaters can provide engineered heating solutions for your air handling unit or HVAC system. INDEECO brings over 55 years of custom design experience, backed by ZIRCO's 40+ years serving Western Canada's commercial, industrial, marine, and railway industries.