BT 400NEX Series Indirect-Fired Heaters – Portable & Powerful
The BT 400NEX Series Indirect-Fired Heaters are designed for extreme cold environments, providing clean, breathable, and efficient heat wherever needed. Engineered for reliability, durability, and high performance, these portable indirect-fired heaters are trusted by the US and Canadian military, major airlines, and industries worldwide.
BT400 NEX-D5 – Portable Diesel Indirect-Fired Heater
🔥 400,000 BTU/H – Diesel Engine Driven
🔥 Temperature Range: 150°F – 250°F
The BT400 NEX-D5 features a high-efficiency stainless steel heat exchanger, ensuring 100% clean, breathable air by venting all combustion gases through the exhaust stack. This makes it ideal for aircraft cabins, engines, buildings, and job sites. Designed to withstand temperatures below -40°F (-40°C), this unit can also be safely operated indoors when properly vented.
✅ Certified by O-TL to UL 733-1993 & CSA Standards
✅ Reliable in extreme weather conditions
✅ Portable and efficient standalone heat source
BT400 NEX-G2 – Portable Gasoline Indirect-Fired Heater
🔥 Gasoline Engine Driven – Honda 5.5 HP Engine
🔥 Temperature Range: 150°F – 250°F
🔥 Heat Rise: 350°F
The BT400 NEX-G2 is designed to burn gasoline efficiently, delivering consistent performance even in extreme cold (-40°F/-40°C and below). With a heat rise of 350°F, it ensures optimal heating performance even in sub-zero temperatures. Originally introduced in 1973, the Herman Nelson heater has continuously evolved, featuring full electronic temperature controls and upgraded valves since 2010 for greater reliability and ease of use.
✅ Trusted by military and aviation industries worldwide
✅ Built in Canada for rugged winter conditions
✅ Proven reliability with ongoing technological advancements
Why Choose the BT 400NEX Series Indirect-Fired Heaters?
✔ Extreme Cold Performance – Designed for harsh environments
✔ 100% Clean Heated Air – Safe for enclosed spaces
✔ Certified & Compliant – Built to industry-leading standards
✔ Portable & Powerful – Reliable heat wherever it’s needed
🔥 Don’t let the cold slow you down. Get your BT 400NEX Series Indirect-Fired Heater today! 🔥