Alnor knowledge base

2020-09-29What is Photovoltaics?

Photovoltaics is the process of generating electricity by conversion of solar radiation energy that is free. Photovoltaic cells are semiconductor elements conducting electrical charges, with their construction usually based on silicon (Si).

2020-08-18Ventilation Silencers for Air Duct Systems | Product Selection Guide

The silencers reduce noise in ventilation pipelines which is generated by such units of equipment as fans and air handling units as well as noises coming from individual rooms. Thanks to the good appearance and compatibility with the remaining parts of the ventilation system, the silencers can also be installed in visible places.

2020-08-13Heat Recovery Unit Filters

Clogged, dirty filters are the most common cause of HRV failure. The dirtier the filter, the lower the efficiency of air filtration, which means higher power consumption and energy consumption, and therefore higher operating costs.

2020-08-12Is the MVHR system noisy?

How noisy are the HRV units? Does an MVHR system require a sound attenuator? These are valid questions that should be asked when designing and executing proper heat recovery ventilation system. Find out what mistakes to avoid to eliminate noise!

2020-07-16STRUT System 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 Heat Recovery Ventilation

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.