Cleanliness Classification of Air-handling Components

Cleanliness Classification of Air-handling Components

M1 label for air-handling components

The Cleanliness Classification of Air-handling Components is part of Classification of Indoor Environment 2008, which is intended to be used in the design and construction of healthier and more comfortable buildings and their mechanical systems. The objective of the Cleanliness Classification of air-handling Components is to ensure the good quality of the supply air flowing through a new air-handling system. M1 classification of air-handling components is operated by The Building Information Foundation RTS sr. It is a voluntary system open to all manufacturers, importers and exporters of air-handling components and systems.

Cleanliness Classification of Air-handling Components is based on general and component-group-specific requirements. The general requirements for a classified component are:

  • a classified component shall not increase the concentration of contaminants that are detrimental to health or comfort in the air handling system or supply air
  • a classified component shall not produce odours, or gaseous or particulate contaminants that decrease the quality of supply air
  • a classified component shall be easy to clean

Components within classification

At the moment following product groups are within the classification:
  • ducts and fittings
  • air and fire dampers
  • terminal devices
  • silencers
  • air filters 
M1 labeled air-handling component shall fulfill both general and product-group-specific requirements.

Please contact us for further instructions on how to apply for the classification, see also general instructions.

Emission Classification is product-specific

Companies which have been granted the right of use of the M1 label may use it for marketing purposes. The classification label shall not be used in marketing in such a way that it refers to the company as a whole or to products which have not been granted M1 classification. The Building Information Foundation RTS sr maintains and publishes a search service of currently classified products and holders of right of use on its website.

Obligation to give notice of changes to product

The holder of right of use is under an obligation to give the Building Information Foundation RTS sr prior notice of changes relating to the methods of manufacturing the product, its composition etc. if these changes affect the properties on the basis of which the classification was granted.

New application

After testing products shall an application be send to The Building Information Foundation RTS sr. The Building Information Foundation RTS sr treats all documents and information submitted by applicants in support of their application in confidence. Applications for Cleanliness Classification are submitted to the Building Information Foundation RTS sr on an application form drawn up for this purpose with appendix.

When filing a new application the research report must not be more than one (1) year old.

Continuation application (without testing)

The classification is granted for three years. If the composition and method of manufacturing the product have not changed, the classification can be continued by application for another three years without testing provided that the required testing methods and the criteria set for the products have not altered fundamentally. All applications will always be examined in accordance with the current requirements set for testing methods and the criteria set for the products.

Renewal application

If the classification of the product has already been continued without testing, the product shall be tested again for the renewal of the classification.

Classification fee

The applicant shall pay the Building Information Foundation RTS sr a fee for classification. Pricing policy after January 1, 2017:

  • The classification fee for one product is 880 €.
  • For the second product from same company the fee is 780 € if the product is classified at the same time as the first product. 
  • For the third and following products from the same company the fee is 680 € if the product is classified at the same time as the first product. 
If the products are so similar that emissions can be verified in one measurement only shall the product groups be formed and agreed on with the classification working group before testing.
  • 1200 € one product group (8 or more products)
  • 1120 € one product group (3 - 7 products)
  • 980 € one product group (2 products)
Classification Certificate in one language is included in the classification fee. Additional language versions 95 € each. Additional product to existing product group 95€ excluding certification fee. Certification fee is 95€.

Product labelling and marketing

The classification is valid for three years. Right of use of a classification label provides the company which has been granted classification the right to label the classified product with the label and to use the label for marketing purposes. The company must use the valid classification symbol, which is a registered trade mark.

The classification label can be used for advertising and marketing the classified product alone. The classification label must not be used in marketing in such a way that it refers to the company as a whole or to products which have not been granted classification. It is not allowed to use stick-on labels, decal or glued labels in marketing.