Alnor

Alnor’s reputation within the industrial hygiene, HVAC contractor, and test and balance market is unsurpassed. Additionally, facility maintenance personnel and building engineers rely on Alnor brand instruments to help them more efficiently address IAQ issues in their buildings. The long Alnor tradition of providing reliable, durable instrumentation continues at the manufacturing, engineering, sales, and service facilities of TSI Incorporated in Shoreview, Minnesota and DICKEY-john in Auburn, Illinois.