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Alnor knowledge base

Mechanical ventilation and effective cooling in summer

2021-04-22Mechanical ventilation and effective cooling in summer

In the wintertime, we often hear about the advantages of heat recovery ventilation, but how does it work in the summertime? Is mechanical ventilation also effective for cooling a house?

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What Heat Recovery Unit do I choose?

2021-03-08What Heat Recovery Unit do I choose?

Which heat recovery ventilator is best? It depends... There is no one-size-fits-all solution. Yet, we've selected TOP 5 things You need to consider when choosing heat recovery unit. Read it to find out!

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Roof support systems - Product range overview

2021-02-10Roof support systems - Product range overview

Roof installation accessories are a range of fixtures and tools for easy and safe suspension of round and square ventilation ducts. Roof installation accessories are a range of modular roof support kits and roof feet, as well as other accessories that make the assembly easy and fast.

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Does heat recovery venitlation replace heating?

2020-12-11Does heat recovery venitlation replace heating?

When preparing to build a house, you have to take care of many issues and make countless decisions. You will also have to choose the right heating system that will meet your expectations and be energy efficient. Can the HRV replace a heating system?

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Does MVHR system replace air conditioning?

2020-12-11Does MVHR system replace air conditioning?

Improving air quality in a building is a goal that both the heat recovery unit (HRV) and the air conditioning unit fulfil, but the similarity between the 2 systems actually ends there. Learn the difference between an MVHR system and air-con.

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Variable Air Volume Systems - VAV Siemens Controllers

2020-12-11Variable Air Volume Systems - VAV Siemens Controllers

CAV and VAV are modern air volume control systems. What is the difference between them? CAV (Constant air volume) is a constant air flow control system, regardless of the current air flow from the air handling unit (flow stabilization).

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What is Photovoltaics?

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).

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Ventilation Silencers for Air Duct Systems | Product Selection Guide

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.

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Heat Recovery Unit Filters

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.

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Is the MVHR system noisy?

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!

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