Waldorf Astoria in Amsterdam, The Netherlands

High-end renovation project | High-end climate solutions

How to combine today’s comfort and engineering with Amsterdam’s history of the 17th century? This is the greatest challenge of the renovation project of the prestigious Waldorf Astoria Hotel in Amsterdam.

— vendredi 20 mars 2015 De Danfoss Hydronic Balancing Valves

Amsterdam’s History
The renovation project ‘Waldorf Astoria’ evokes memories of the time of the Dutch East India Company (VOC) in the 1670s. The project’s six grand and impressive houses, which are situated at the Herengracht in Amsterdam, were once residential houses of prominent regents and merchants. The houses were furnished with special facades and landings, the marble hallways received stucco ceilings and rich ornaments. Fortunately, the architectural characteristics of these canal houses were preserved, important features that Waldorf Astoria wanted to maintain in its latest hotel. Historical elements, combined with state-of-the-art technology regarding comfort and climate control.
The Best Solutions
During the engineering phase, Cofely collaborated with Danfoss concerning the design. The client’s requirements, i.e. comfort, noise, reliability, sustainability and energy consumption, were all considered in the design phase. The combination of radiators and fan coil units required special attention to fulfill all requirements. Eventually, the chosen solution combines fan coils controlled by Danfoss AB-QM pressure independent balancing and control valves with the very durable Danfoss AME 110NL actuators. The radiator system is equipped with Danfoss ASV pressure controllers in combination with pre-set radiator valves (RA-N) with ABNM actuators. This ensures the optimum hydraulic balance of the system both under partial and full load. This not only provides additional comfort to the rooms, but also results in the required energy savings. Furthermore, the guests will not be bothered anymore by flow noises in the pipelines.
Extraordinary project
During an interview with Cofely, main project manager Herman Hooning said that only top-class products, so-called A brands, were used for this project. “This is an extraordinary project and quality is our top priority. In addition to that, all suppliers are held responsible for the supplied work. It is assumed that issues are solved without any hassle.”

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