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

BT400 NEX SERIES CATALOG

We have been manufacturing and selling exceptionally clean and high-performing indirect fired portable heaters since 1972

Important Pricing Update

Effective January 1, 2025, the prices for our Herman Nelson BT 400NEX-D and Herman Nelson BT 400NEX-G models will increase by 3% due to rising costs in raw materials, logistics, and inflation.

For any questions or to place an order, contact our sales team now!

BT400 NEX-D

Indirect Fired Heater

400,000 BTU/h

ON SALE (August 1 - August 31, 2021)

3% Off Season Discount

Fuel Type DIESEL
Heating Capacity 400,000 BTU/h
Maximum Air Delivery Rate 1,500 CFM
Run Time 14 Hours
Dimensions 71” L x 50” W x 48” H
Add to Quote

BT400 NEX-G

Indirect Fired Heater

400,000 BTU/h

ON SALE (August 1 - August 31, 2021)

3% Off Season Discount

Fuel Type GAS
Heating Capacity 400,000 BTU/h
Maximum Air Delivery Rate 1,500 CFM
Run Time 8 Hours
Dimensions 51” L x 20” W x 27”H
Add to Quote

BT400 NEX-D

Indirect Fired Heater

400,000 BTU/h

ON SALE (August 1 - August 31, 2021)

3% Off Season Discount

Fuel Type DIESEL
Heating Capacity 400,000 BTU/h
Maximum Air Delivery Rate 1,500 CFM
Run Time 14 Hours
Dimensions 71” L x 50” W x 48” H
Add to Quote

BT400 NEX-G

Indirect Fired Heater

400,000 BTU/h

ON SALE (August 1 - August 31, 2021)

3% Off Season Discount

Fuel Type GAS
Heating Capacity 400,000 BTU/h
Maximum Air Delivery Rate 1,500 CFM
Run Time 8 Hours
Dimensions 51” L x 20” W x 27”H
Add to Quote

BT400 NEX-D NSN

Indirect Fired Heater

400,000 BTU/h

ON SALE (August 1 - August 31, 2021)

3% Off Season Discount

Fuel Type DIESEL
Heating Capacity 400,000 BTU/h
Maximum Air Delivery Rate 1,500 CFM
Run Time 14 Hours
Dimensions 71” L x 50” W x 48” H
Add to Quote

THE BT400-NEX SERIES OF INDIRECT FIRED HEATERS

Construction Site Heaters, Aircraft Engine Preheaters, Indirect Diesel & Gas Heater

The BT400-NEX Series of indirect fired heaters are used in commercial aviation, construction and exploration. In these industries, safety is not just a concern but is a requirement for any manufacturer producing a modern heater.
Click below and download our Executive Summary and learn why the BT400-NEX Series of heaters are the number 1 choice of so many industries.

2024 - 2025 Holiday Business Hours

Happy holidays

DECEMBER 24
[Open 8:00am – 12:00pm CDT]
DECEMBER 25
[CLOSED]
DECEMBER 26
[CLOSED]
DECEMBER 27
[OPEN 8:00AM – 4:30PM CDT]
DECEMBER 30
[OPEN 8:00AM – 4:30PM CDT]
DECEMBER 31

[OPEN 8:00AM – 4:30PM CDT]
JANUARY 1
[CLOSED]
JANUARY 2
[Back To Regular Hours]

Regular Business Hours
MONDAY – FRIDAY 8:00AM – 4:30PM CDT

DECEMBER 24 [Open 8:00am – 12:00pm CDT]
DECEMBER 25 [CLOSED]
DECEMBER 26 [CLOSED]
DECEMBER 27 [OPEN 8:00AM – 4:30PM CDT]
DECEMBER 30 [OPEN 8:00AM – 4:30PM CDT]
DECEMBER 31 [OPEN 8:00AM – 4:30PM CDT]
JANUARY 1 [CLOSED]
JANUARY 2 [Back To Regular Hours]

Regular Business Hours
MONDAY – FRIDAY 8:00AM – 4:30PM CDT

we look forward to seeing you in the new year!

Overhaul YOUR HEATER

20% OFF

Indirect Fired Heater Manufacturer

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