Industrial Air Heaters
Industrial air heaters are electric heating assemblies designed to raise the temperature of air for process equipment, machinery, and industrial workspaces. They may use tubular elements, open-coil elements, or purpose-built heater banks depending on airflow, temperature, pressure drop, and required response. The key engineering task is to match electrical heat input to the mass flow of air and the required temperature rise while keeping element temperatures within acceptable limits. Heater layout, duct geometry, airflow distribution, insulation, and control strategy influence outlet-temperature uniformity and operating efficiency. Systems may include staged switching or modulating power control, inlet and outlet temperature sensors, airflow proving, and independent over-temperature protection. Industrial air heaters can be supplied as components for OEM equipment or as part of a larger process-air heating system.
Industrial air heater: the fan pushes air across finned elements and hot air leaves the outlet.
How it works
Electrical resistance elements convert electrical power into heat, which is transferred to air flowing across the elements. Required kW is principally determined by air mass flow, specific heat, and the desired temperature rise, with allowance for system heat losses.
Information to provide when ordering
- Airflow (mass or volumetric, with reference conditions)
- Inlet and outlet temperatures
- Pressure
- Duct size
- Voltage and kW
- Heater type
- Material requirements
- Control method
- Safety interlocks
Where it is used
What it heats
Need industrial air heaters for your application?
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