Ventilation Test Instruments

Comments on the Title 24 Energy Code

TSI Incorporated has issued a statement of concerns regarding the 2013 Title 24 Energy Code outline that  proposes the removal of flow hoods for measuring supply and/or return flow in residential settings.

Read TSI comments and concerns for the 2013 Title 24 Energy Code »

HVAC Handbook

HVAC Hanbook

Our HVAC Assessment Handbook is a practical guide to performance measurements in mechanical heating, ventilating and air conditioning systems.

Request a HVAC Handbook »

Wanted: Dead or Alive

TSI is pleased to offer “Wanted: Dead or Alive,” a TSI ventilation test instruments trade-in promotion. Whether your current unit functions or not, TSI will offer you credit on a new TSI instrument when you trade in your old ventilation test instruments.

TSI Wanted Dead or Alive Trade-in »
Fast, Accurate and Reliable Ventilation Testing Results

TSI's full line of industrial ventilation test instruments are designed to accurately and reliably measure a wide variety of parameters important in monitoring and maintaining indoor environments. Our instruments are optimized for ease-of-use, yet offer an range of advance capabilities including data logging, that are critical in ensuring quality commercial ventilation.

Industrial Ventilation Made Simple and Reliable

  • Monitor Indoor Environments - TSI ventilation testing instruments are designed to accurately and reliably measure a wide array of parameters critical to investigating indoor environments. Typical measurements include air velocity, flow, temperature, humidity, pressure and CO2.
  • Rugged and Reliable - Since we introduced our first portable meter in 1973, TSI has been a recognized leader in commercial ventilation test instruments, providing precise measurement you can count on.
  • Easy and Worry Free HVAC Testing - TSI meters enhance your effectiveness on the job site. Large displays are easy to read. Operation is fast and simple. Want a measurement? Just push the button.

Professional Ventilation Testing Solutions that Save Time and Money

Our high performance air velocity meters, micromanometers, capture hoods and indoor air quality meters are in a class by themselves when it comes to HVAC testing.

  • Highly accurate throughout a wide range, including low flows, resulting in improved performance and reliable information on critical applications
  • Best-in-class data management for logging and downloading user-generated reports, helping to solve problems and ultimately saving time and money
  • Fast turnaround calibration and repair with exceptional customer support 

Need Help Finding a Product?

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  2. 2 What is your application?
  3. 3 What are you trying to measure?