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

BTU Calculator Canada

Find the Right Heater for Your Space in Just a Few Clicks

Looking to heat a space efficiently? Our BTU Calculator is a free, easy-to-use online tool that helps you determine the number of BTUs required to heat any area—large or small. It factors in space dimensions, insulation quality, outdoor temperatures, and your ideal indoor temperature to provide accurate recommendations.

Need help optimizing your setup? Our team can advise you on accessories and customization options to improve performance and efficiency.

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Step #1:

Calculate the number of cubic feet​ to heat


X
X
=

Number of Square Feet Equals

0

Step #2:

Calculate the the temperature difference factor (˚C)


-
=

Difference (˚C)

0

Difference Factor

0


Step #3:

Calculate the Insulation Factor of the Space to Heat

Insulation Factor

0


Calculate the Required Number of BTUs

Number of Square Feet

0 pi

X

Temperature difference factor

0

X

Insulation Factor

0

=

Required Number of BTUs

0

Blaze 200DG

Image Heater BTU Output View Heater
Blaze 200 DG Blaze 200 DG 175,000 View

Flagro FVO-200RC

Image Heater BTU Output View Heater
Flagro FVO-200RC Flagro FVO-200RC 185,000 View

Frost Fighter IDF 350 (Oil)

Image Heater BTU Output View Heater
Frost Fighter IDF 350 (Oil) Frost Fighter IDF 350 (Oil) 350,000 View

Frost Fighter IDF 350 (LP/NG)

Image Heater BTU Output View Heater
Frost Fighter IDF 350 (LP/NG) Frost Fighter IDF 350 (LP/NG) 350,000 View

Frost Fighter IDF 500 (Oil)

Image Heater BTU Output View Heater
Frost Fighter IDF 500 (Oil) Frost Fighter IDF 500 (Oil) 420,000 View

BT Flameless 375K

Image Heater BTU Output View Heater
BT Flameless 375K BT Flameless 375K 375,000 View

Flagro FVNP-400

Image Heater BTU Output View Heater
Flagro FVNP-400 Flagro FVNP-400 390,000 View

Flagro FVO-400

Image Heater BTU Output View Heater
Flagro FVO-400 Flagro FVO-400 390,000 View

Blaze 400 Turbo

Image Heater BTU Output View Heater
Blaze 400 Turbo Blaze 400 Turbo 399,000 View

Herman Nelson - BT400NEX-D

Image Heater BTU Output View Heater
BT400NEX-D BT400NEX-D 400,000 View

Herman Nelson - BT400NEX-G

Image Heater BTU Output View Heater
BT400NEX-G BT400NEX-G 400,000 View

Frost Fighter IDF 500 (LP/NG)

Image Heater BTU Output View Heater
Frost Fighter IDF 500 (LP/NG) Frost Fighter IDF 500 (LP/NG) 420,000 View

Frost Fighter IHS 500 (Oil (Diesel) / LP or NG)

Image Heater BTU Output View Heater
Frost Fighter IHS 500 Frost Fighter IHS 500 (Oil (Diesel) / LP or NG) 420,000 View

Blaze 600 Turbo

Image Heater BTU Output View Heater
Blaze 600 Turbo Blaze 600 Turbo 588,000 View

Herman Nelson - HPL 600D7

Image Heater BTU Output View Heater
HPL 600D7 HPL 600D7 588,000 View

BT Flameless 700K

Image Heater BTU Output View Heater
BT Flameless 700K BT Flameless 700K 700,000 View

Frost Fighter IHS 700 (Oil (Diesel) / LP or NG)

Image Heater BTU Output View Heater
Frost Fighter IHS 700 Frost Fighter IHS 700 (Oil (Diesel) / LP or NG) 700,000 View

BT Flameless 1.2M

Image Heater BTU Output View Heater
BT Flameless 1.2M BT Flameless 1.2M 1,200,000 View

Frost Fighter IHS 1250 (Oil (Diesel) / LP or NG)

Image Heater BTU Output View Heater
Frost Fighter IHS 1250 Frost Fighter IHS 1250 (Oil (Diesel) / LP or NG) 1,250,000 View

⚠️ Sorry

We don’t have a heater available to match that high BTU requirement. Please contact our sales team for a custom solution.

 1 (800) 486-4328 // 1 (204) 633-1999

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