1 (800) 486-4328 // 1 (204) 633-1999
Aerotech Herman Nelson Heaters Intl. Inc.

Featured Heater

3-in-1 Herman Nelson Recirculating Heater

588,000 BTU/h

RUN TIME: 19 Hours at 100% Load

BT 400NEX-D diesel indirect heater delivering powerful outdoor heating

Indirect Fired Heater – The BT 400NEX-D diesel heater

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BT 400NEX-D Diesel Indirect Heater: The Rugged Heating Solution You Can Rely On

Are you searching for a dependable diesel indirect heater that delivers powerful, consistent heat in tough outdoor environments? Meet the BT 400NEX-D diesel indirect heater, engineered for efficiency, portability, and durability in demanding conditions.

Whether you’re in aviation, construction, or industrial applications, this heater offers the performance and reliability professionals depend on. In this guide, we’ll explore why the BT 400NEX-D is the preferred solution for your heating needs.

Why Choose a Diesel Indirect Heater?

A diesel indirect heater provides clean, dry, and fume-free heat—ideal for sensitive environments like aircraft hangars, construction sites, and industrial areas. Unlike direct-fired heaters, indirect models ensure no combustion by-products enter your workspace.

Key Advantages:

  • Cleaner, safer air quality
  • Versatile ducting options for heat delivery
  • Highly efficient fuel consumption

Key Features of the BT 400NEX-D

The BT 400NEX-D diesel indirect heater is engineered for maximum performance in rugged conditions. Here’s what sets it apart:

  • High Heating Capacity: Delivers 400,000 BTU/hr for rapid, effective heating.
  • Efficient Diesel Operation: Designed for optimal fuel efficiency.
  • Portable and Durable: Heavy-duty frame and wheels for easy transport.
  • Flexible Ducting Options: Distribute heat up to 100 feet from the source.
  • User-Friendly Controls: Intuitive design for easy operation and monitoring.

Performance and Efficiency

The BT 400NEX-D stands out for its fuel efficiency and powerful airflow. Its recirculating design minimizes heat loss, ensuring you get the most from every gallon of diesel.

Benefits:

  • Extended run times reduce refueling needs
  • Maximum airflow of up to 3,000 CFM
  • Temperature control for precise heating

Explore our BTU calculator to determine the right heating power for your needs.


Applications Across Industries

This diesel indirect heater is built for a variety of applications, including:

  • Aviation: Preheat aircraft cabins and components without introducing harmful fumes.
  • Construction: Keep crews warm and materials safe from freezing.
  • Industrial: Heat warehouses, manufacturing plants, and remote sites.
  • Military and Emergency Services: Reliable field-deployable heat for temporary shelters.

Looking for additional solutions? Check out our HPL 600D7 All-in-One Heater.


Safety and Compliance

Safety is a top priority when it comes to the BT 400NEX-D indirect heater.

  • CSA/UL Certified for compliance with safety standards
  • Fully enclosed flame for clean heat delivery
  • Low CO emissions and minimal noise levels
  • Emergency shut-off and high-temperature limit switches

Why Professionals Trust Aerotech Herman Nelson

For over 70 years, Aerotech Herman Nelson has set the standard for industrial heaters. The BT 400NEX-D indirect heater continues this legacy of reliability, efficiency, and performance.

Our commitment to quality ensures you receive equipment that performs under pressure. Learn more about our company history and dedication to innovation.


Ready to Power Your Operations with the BT 400NEX-D Indirect Heater?

The BT 400NEX-D diesel indirect heater is a powerful, dependable solution for professionals who demand clean, efficient heat in challenging environments.

Efficient diesel operation
400,000 BTU/hr heating power
CSA/UL certified for safety

👉 Contact our sales team today to request a quote or learn more about how the BT 400NEX-D can meet your heating needs. Contact Us


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BT 400NEX-D diesel indirect heater delivering powerful outdoor heating

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Featured Heater

Herman Nelson 3-in-1 Indirect Fired Heater

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