ATREA s.r.o. places a fundamental emphasis on ensuring the quality, safety and fault-free function of all of its products in both domestic and foreign markets.
The company works closely with a number of testing institutions and laboratories and all its products are regularly tested and examined.

Passive House Institute:

ATREA has successfully completed PHI certification process for DUPLEX Flexi 650, 1100, 1600, 2600 and 3600 – it means for all Flexi units!

An environmental policy leader and member of many professional associations, ATREA is proud to meet the really challenging criteria of this well-established institution for this size of HVAC units.  

ATREA has successfully completed PHI certification also for both DUPLEX EC5 and DUPLEX Easy units!

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Declaration of Conformity

A declaration of conformity has been issued for all ATREA’s products.
A „Declaration of Conformity“ can be provided on request.

EC Declaration of Conformity

All products of the company that are subject to Government Regulation No. 17/2003 Coll. and No. 616/2006 Coll. have been issued with an EC declaration of conformity and bear CE Marking.
The electromagnetic compatibility and electrical safety have been verified by a notified testing institute and the products have been issued with certificates.

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Hygienic safety – VDI 6022

DUPLEX units meet requirements for hygienic safety.
The units meet requirements for so-called „hygienic version“ units and can be installed in medical and other facilities with high demands on a clean environment.
This safety has been confirmed by an expert examination conducted at The National Institute of Public Health in Prague.

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ATREA ventilation ceilings have a prestige German TÜV type certificate  for the ventilation and illuminative ceilings for canteens.


ATREA provide all products with EAC certfication.

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