Aerotech Herman Nelson International manufactures commercial standalone heaters used in industrial sectors like aviation, oil & gas, and constructionBased in Winnipeg, Canada, Aerotech Herman Nelson International manufactures commercial standalone heaters used in industrial sectors like aviation, oil & gas and construction.  The “Original” Herman Nelson heater was engineered to stringent U.S. military specifications. This design has been in continuous production/improvement for over 60 years. Then in 2010 the focus was to transition the heaters from mechanical valve operation to electronic solenoid valve operation and with that achievement the heaters are now UL/CSA certified. These heaters are completely portable, engine-driven, forced-air and are completely stand-alone (off the power grid).  Our customer service section is world class. International export shipments by ground, ocean freight or air cargo is routine with documentation supplied at no extra cost. Our customers span the globe from Mongolia to Florida, Antarctica to Anchorage. Wherever you are we can deliver the portable heating equipment you need.  Aerotech Herman Nelson portable heaters are the solution of choice by all major airlines, the petroleum industry, NATO, and construction trades. Names that use our heaters include Northwest Airlines, Alaska Air, Air China, Korean Air, Air France, Finn Air, FedEx, Bell Telephone Systems, Manitoba Hydro, Ontario Hydro, Hudson Bay Mining and Smelting, City of Winnipeg Fire Department, Husky Oil. We have thousands of satisfied customers.