DUPLEX 1500–11000 Multi-N Rooftop

Versatile compact HVAC units Versatile compact HVAC units DUPLEX 1500 – 11000 Multi-N 

Excellent brand new generation of our customized rooftop compact HVAC units. These units can be 100 % project tailored and have our professional S7 heat exchanger with heat recovery efficiency up to 93 %. DUPLEX Multi units can optionally be equipped with built-in  accessories – water or electric heating, water-based or direct cooling, shut-off dampers, by-passes and recirculation etc. Special feature of this new generation is a great compactness with maximum focus on minimum height and ATREA innovative solution for heat loss elimination.

[YTB]    Marketing video DUPLEX 1500–11000 Multi-N Rooftop

[YTB]    Marketing video ATREA Base-frame

 [PDF]    Summary marketing catalogue DUPLEX Multi

 [PDF]    Technical Catalogue DUPLEX 1500–11000 Multi-N Rooftop

[ATREA] Selection software


DUPLEX Flexi have very important competitive advantages concerning their construction and business philosophy that was coordinated with premium European wholesalers.

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Our Selection Software

ATREA s.r.o. offers a DUPLEX compact unit selection software for use by the design professionals.
The program is presently spread as a freeware ...

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PHI Certification

We are happy to let you know that ATREA has achieved another success to confirm we are a true leader in ventilation and heat recovery as we claim in our slogan.

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