Alnor knowledge base

2020-07-16STRUT Channel & Accessories | Product Selection Guide

Strut channel, channel brackets, beam clamps, cantilever arms and more. Quick and easy support system for ventilation ducts, pipework, rooftop installation etc. Check our product overview and customize Your support system!

2020-07-10The Ultimate Guide to Decentralised Ductless Heat Recovery System

Single-room Heat Recovery Units are a great solution for retrofitting older buildings. The ductless HRU is not recommended? When is it better to choose standard MVHR system with ducting? Read our comprehensive guide where we answer FAQ and find out!

2020-06-23Most Common Mistakes for Strut Channel Selection

How to avoid a mistake when selecting a strut channel? What product characteristics should be taken into consideration? Type of material/ finish - pre-galvanized, electro galvanized or hot-dip galvanized? What about tech. approval? Find out more!

2020-06-19Self-Drilling Screws Selection and Application Guide

Self-drilling screws have extremely broad application in many industries, including HVAC industry. How to choose the correct self-drilling choose? When and how can we use self-drilling screws in the ventilation ductwork assembly? Keep reading to find out!

2020-05-19Ductwork Airtightness vs. Gasket Selection

Do you know that airtightness in ventilation systems is an important issue affecting the airflow and system effectiveness? A number of requirements and quality standards imposed by manufacturers determine the competitiveness of that solution.

2020-05-08How to control heat recovery ventilation (HRV)? - the best solutions

More and more we rely on automation to significantly reduce time and our interference in processes we perform every day. This also refers to MVHR systems. See an overview of possible control systems.

2020-05-08The Beginners Guide To Mechanical Ventilation with Heat Recovery

Guide for Mechanical Ventilation with Heat Recovery - Find out what you should know before making a choice. What is heat recovery ventilation? How does it work? Where to install the Heat Recovery Unit at home? and more...

2020-05-05A Complete Guide to Duct Systems for Marine Applications

Shipbuilding is a highly challenging process especially in terms of installation of ventilation systems and air conditioning. The ventilation system must be resistant to changing weather conditions, high humidity and salinity, while being failure-free and easy in maintenance.

2020-05-05What types of ductwork are used in ventilation? Part I Spiral Ductwork

A ventilation air duct is the basic element of a ventilation system. Ventilation ductwork can be divided according to its shape, namely, circular, rectangular and oval or acc. to the material: metallic rigid or flexible ducts or non-metallic semi-rigid.

2020-04-30Why Does Stainless Steel Corrode? - How-to Guide for Stainless Steel Use

Does stainless steel rust? Unfortunately, it does. Although stainless steel is known from high corrosion protection properties and is recommended for aggressive environments, it doesn’t give complete “immunity” to corrosion.