Get Air Distribution equipment from Therm Air Sales of Fargo, North Dakota.

Our team is experienced at Therm Air Sales Corp. and we can help you find the Air Distribution equipment and supplies you need to make your project successful. 

It's easy... just give us a call at 701-282-9500 or contact us today.


Kitchen Ventilation Systems

  • Grease Exhaust Hoods
  • Heat and Condensate Hoods
  • Grease Extraction
  • Pollution Control Units
  • External Supply Plenums
  • Utility Distribution Systems
  • Controls / Energy Management

Aerovent Logo

Aerovent is leading manufacturer of high quality ventilation products including axial fans, centrifugal fans, Fiberglass Fans, FRP Fans, Spark Resistant Fans and more.

Air Monitor Corporation

  • Airflow Measurement and Control

AirConcepts Inc.

  • Unique Air Distribution Products

Antec Controls

  • Critical Environment Monitors and Controls

Armstrong Monitoring

  • Hazardous Gas Liquid and Material Monitoring

Arrow United

UL rated life safety products


  • Custom Air Pollution Control Systems
  • Carbon Monoxide Exhaust
  • Welding Fume Exhaust
  • Dust Collectors

Continental Fan

  • Inline Duct Fans
  • Iris Dampers
  • Industrial Fans


  • Fabric Duct Ventilation
  • Fabric Face Diffusers
  • Final Filters

Flexmaster USA

  • Flexible Duct and Fittings



Vektor Laboratory Exhaust

  • Critical Application Fan Monitoring

Utility, Centrifugal, and Radial Blowers

  • Utility Centrifugal Fans
  • Industrial Centrifugal Fans
  • Fabricated Pressure Blower
  • Industrial Process Fans
  • Plug Fans
  • Plenum Fans
  • Fiberglass Reinforced Plastic (FRP) Fans

Sidewall Propeller Fans

Sidewall Exhaust Fans

Inline and Ceiling Fans

  • Ceiling and Cabinet Fans
  • Centrifugal Inline Fans
  • Tubular Centrifugal Fans
  • Mixed Flow Fans
  • Tube Axial Fans
  • Vane Axial Medium Pressure Fans
  • Vane Axial High Pressure Fans
  • Circulator and Mancooler Fans

Gravity Ventilators

Roof Mounted Fans

Centrifugal Roof Exhaust Fans

  • Centrifugal Upblast Exhaust Fans
  • Propeller Tube Axial Fans
  • Centrifugal Supply Fans
  • Hooded Propeller Exhaust and Supply Fans
  • Recirculating Roof Fans
  • Roof Curbs

Energy Recovery

  • Energy Recovery Ventilators with Heating
  • Energy Recovery Ventilators with Cooling and Heating
  • Energy Recovery Ventilators with Evaporative Cooling
  • Energy Recovery Modules
  • Control Options for Energy Recovery Ventilators

Make-Up Air

  • Commercial and Industrial Make-Up Air Units
  • Kitchen Systems Make-Up Air Units

Packaged Ventilation Systems

  • Rooftop Ventilators with Energy Recovery, Heating and Cooling
  • Rooftop Ventilators with Heating and Cooling

Indoor Air Handlers & Fan Coils


  • Fluid Coils
  • Booster Coils
  • Energy Recovery
  • Refrigerant
  • Steam Coils



  • Commercial / Industrial High Volume Low-Speed Destratification Fans

Leading Edge

  • Commercial and Industrial Ceiling Fans
  • Air Curtains

Linx (Lindab)

  • Oval and Spiral Ductwork

Metal-Fab Inc.

Metal-Fab manufactures complete and comprehensive venting solutions for Residential, Commercial and Industrial applications.

Metropolitan Air Technologies

  • Cable Operated Remote Dampers


  • Actuators
  • Electric Duct Heaters
  • Humidifiers
  • Actuated Valves


  • Flow Meters and BTU meters

Powered Aire Inc.

 Commercial, Industrial and Specialty Air Curtains.

Price Industries

Underfloor Air Distribution

  • Round Floor Diffusers
  • Linear Floor Grilles
  • Linear Floor Heaters
  • Underfloor Controllers
  • Underfloor Terminal Units
  • Underfloor Deflection Grilles

System Controls

  • DDC Controls
  • Networked or Stand-Alone Controls
  • BACnet compatible – BTL certified

Electronic Stand-Alone Controls

Pneumatic Stand-Alone Controls

Control Applications

  • Single Duct Controls
  • Fan Powered Controls
  • Hydronic Controls
  • Bypass Controls
  • Underfloor Controls
  • Rooftop Controls
  • Prodigy Smart Diffusers
  • Graphical User Interface

Linear Diffusers & Grilles

  • Custom Flow Linear Diffusers
  • Linear Slot Diffusers
  • Linear Bar Grilles

Ceiling Component Diffusers

  • T-Bar Diffusers
  • Light Troffer Diffusers
  • Low Temperature Diffusers

Ceiling Diffusers

  • Square Ceiling Diffusers
  • Perforated Ceiling Diffusers
  • Square and Rectangular Directional Diffusers
  • Round Cone Diffusers
  • VAV Diffusers

Grilles and Registers

  • Grilles and Registers
  • Airfoil Series Grilles and Registers
  • Industrial / Special Application
  • Filter Grilles
  • Condo Grilles
  • Nozzles
  • Security Products
  • Gym Grilles
  • Heavy Duty Gym Grilles

Critical Environments

  • Air Curtain Systems (HORD Systems)
  • Ceiling Systems
  • Displacement Diffusers
  • Fan Filter Units
  • Horizontal Throw Diffusers
  • Laminar Flow Diffusers
  • Radial Flow Diffusers
  • Specialized Exhaust Diffusers
  • Return & Exhaust Grilles

Displacement Ventilation

  • Wall Mounted Diffusers
  • In-Wall Diffusers
  • Free Standing Diffusers
  • Floor Mounted Diffusers
  • Ceiling Mounted Diffusers
  • Linear Enclosure Diffusers
  • Industrial

Natural Ventilation

  • Operable Wall & Penthouse
  • NV Controller

Noise Control

  • Commercial and custom silencers
  • Rectangular, elbow and circular silencers
  • Absorptive, film-lined and packless silencers
  • Speech privacy and cross-talk silencers
  • Acoustic enclosures and barriers
  • Acoustical Louvers

Rapid Engineering

  • Direct and Indirect Gas-Fired Make Up Air Units
  • Air Rotation Units
  • Infrared Heaters


  • Air Curtains
  • Infrared Heaters
  • Electric Baseboard, Cabinet, Ceiling Wall Heaters
  • Radiant Ceiling Panels


  • Roof Curbs
  • Equipment Rails
  • Pipe and Duct Pedestals


  • Fiberglass Reinforced Plastic Duct Products


  • Dust Control Equipment

Twin City Fan
Tiwn City Fans and Blowers Logo

Twin City Fan & Blower is an industry leading designer and manufacturer of high quality custom, semi-custom, and standard fans ranging from heavy duty industrial process fans to OEM fans to a comprehensive line of commercial supply and exhaust fans for the HVAC plan and spec market.