Alnor manufactures professional ventilation systems, heat recovery units, and specialized HVAC measurement instruments for residential and commercial air quality control.
Alnor is a prominent name in the HVAC industry, represented primarily by Alnor Ventilation Systems (Alnor Systemy Wentylacji), a leading manufacturer of complete ventilation solutions. Based in Poland with a global reach, the company specializes in producing spiral ducts, pressed fittings, air valves, and advanced heat recovery ventilation units (HRV) such as the HRU-FlatAIR u HRU-ĦAJT series. Their systems are designed to optimize indoor air quality and energy efficiency in modern buildings.
The brand name Alnor is also historically associated with high-precision air velocity meters and electronic balancing tools, now manufactured and distributed by TSI Inkorporat. These instruments, such as the Alnor Balometer and micromanometers, are essential tools for HVAC professionals conducting testing and balancing. This category encompasses manuals for both the extensive line of Alnor ventilation components and the specialized Alnor measurement instruments.
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Alnor primarily manufactures ventilation system components, including heat recovery units (HRU), spiral ducts, fans, and air valves. The brand also appears on air velocity measurement instruments manufactured by TSI.
Manuals for the HRU-FlatAIR, HRU-WALL, and other recovery units can be found on this page or the official Alnor Ventilation Systems websit.
'Alnor' is a registered trademark used by Alnor Ventilation Systems for ductwork and HVAC units, and also by TSI Incorporated for specific air flow measurement tools. Both product lines are covered here.