 
Signs You Need Make-Up Air
Introduction
The lack of make-up air in a building can cause serious problems. Many times the problems are not even recognized and show themselves in ways that most people do not think about. A properly designed and installed ventilation system provides environmental control by avoiding negative pressure. Uncontrolled infiltration of air through window sashes, doors and
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			Industrial Air
 Fluid Engineering,
 Fluid Engineering,
   Proudly Represents, 
   Industrial Air
          Air Systems Company
   Tubeaxial & Vaneaxial Fans
   Wall and Roof Fans
   Mancooler Fans
   Fiberglass Fans
   Bifurcator Fans
Fluid Engineering, is a manufacturer's representative for Industrial Air ® and its line of heavy-duty air moving equipment.
Industrial Air, a division of Air Systems Company, provides a complete line of industrial fans, including:
 Bifurcator Fans
Bifurcator Fans
Direct-driven fans that isolate the motor from the product air stream, allowing the fan to handle temperatures as high as 1000ºF.
Steel and Stainless Steel Construction
Capacities to 86,000 CFM
 Hooded Roof Ventilators
Hooded Roof Ventilators
Direct Drive Belt Drive 
Steel, Aluminum, Stainless Steel Construction
Intake and Supply. Filtered
Capacities to 224,500 CFM
 Fiberglass Fans
Fiberglass Fans
Belt drive
Axial and Centrifugal
Capacities to 250,000 CFM
 Mancoolers
Mancoolers
Direct Drive
15" through 36"
Steel, Aluminum, and Stainless Steel Construction
Capacities to 22,000 CFM
 Panel Fans
Panel Fans
Direct Drive
Belt Drive
Sizes 12" through 96"
Steel, Aluminum, Stainless Steel Construction 
Capacities to 323,000 CFM
 Roof Ventilators
Roof Ventilators
Direct Drive
Belt Drive
Steel, Aluminum, Stainless Steel Construction
Temperatures to 1000 DegreesºF
Capacities to 200,000 CFM
 Tubeaxial Fans
Tubeaxial Fans 
Direct Drive
Belt Drive
Sizes 12" through 96"
Steel,Aluminum,Stainless Steel Construction
Capacities to 256,600 CFM
 Tubular Inline Centrifugal Fans
Tubular Inline Centrifugal Fans  
Belt Drive
Steel,Aluminum,Stainless Steel Construction
Capacities to 104,000 CFM
 Vaneaxial Fans
Vaneaxial FansDirect Drive
Belt Drive
Steel,Aluminum, Stainless Construction
Capacities to 80,000 CFM
