Custom Air Duct Heaters & Industrial Air Heaters

The best choice for heating large volumes of air or gas



Air Duct Heaters to fit your requirements,
including different sizes, materials, and wattage.


An efficient way to heat large volumes of air or gas.

Quality Assured

An Air Duct Heater is only as good as its tubular heating elements. At Heatmax we guarantee the quality of the whole Air Duct Heater because we manufacture the whole product ourselves.

Expert Assistance Available

Ask a Heatmax sales engineer about your project

We’ve been in business for almost 70 years, and our in-house experts are always available to assist with your next project.

Customizable Specifications

Heatmax Air Duct Heaters are designed to fit your requirements, including various sizes, materials, and wattages.


Custom heaters can be supplied with voltages up to 600V, 1 or 3 phase.

Wattage & Watt Densities

Duct heaters be made with any requested wattage or watt density.


Duct heater dimensions customizable to your specifications. Element length, height and width can be built to fit the space you are working with.

Duct Flange Material

Steel standard, and Stainless Steel available

Element Sheath Material

Incoloy used for common Air Duct Heaters. Stainless Steel and specialty high temperature alloys also available.

Element Configurations

Element configurations are customizable. We have made anything from 3 to 60 element configurations to meet a range of kilowatt demands.

Technical Drawings

Almost 70 Years

Heatmax History

When it comes to business management theory we’ve proudly gone against the grain, we’ve kept ourselves nimble and self-reliant in an industry full of race-to-the-bottom consolidation and outsourcing.

We take pride in the craftmanship that goes into our products and are committed to living up to the quality mark “made in the USA”. We treat our staff as well as we treat our customers. Proudly employ hard-working people of all backgrounds and support our local community. It’s just right.