TSI Alnor Products –
Precision Meets Reliability

Ready to Elevate Your Air Velocity Measurement?

At FLW, Inc., we are not just distributors; we are experts who understand the critical importance of air velocity measurement in maintaining safe, efficient, and compliant HVAC systems and industrial environments. For over two decades, we've been the United States' leading supplier of TSI Instruments, including the renowned Alnor® range. Our commitment to quality and our depth of expertise make us the go-to source for professionals across the spectrum, from HVAC contractors and facility personnel to building engineers and industrial hygienists.


Your Premier Source for TSI Alnor Instruments

TSI Alnor is synonymous with high-quality air velocity measurement instruments. Since TSI acquired Alnor Instrument Company in 1995, they have continued to innovate while maintaining the brand's long-standing reputation for durability, reliability, and accuracy. Our extensive product range includes:

Why Choose TSI Alnor Instruments from FLW, Inc.?

  • Unmatched Quality and Reliability: TSI Alnor products are globally recognized for their accurate and durable air velocity measurement tools.
  • Extensive Inventory: As TSI Alnor's largest stocking distributor in the U.S., we ensure that the products you need are available when you need them.
  • Expert Support: Our team of product specialists and engineers possess unparalleled application engineering expertise, providing support that's second to none.
  • Versatility for Every Application: With a wide range of models, we cater to diverse needs within the HVAC and industrial sectors.

Contact Us

Need application assistance? Looking for product specifications? Price & availability requests? Give us a call or drop us a line! We're happy to help.