This month marks the completion of a new 16-story office tower that is being promoted as New York City’s most sustainable office structure. That boast is backed by an innovative HVAC system that features geothermal wells, dedicated outdoor air system (DOAS) units, radiant heating and cooling, and a sophisticated control system to ensure that the elements work optimally together.
The 555 Greenwich development is connected to the structural frame of the adjoining 345 Hudson St. office building. Its advanced HVAC technologies will result in whole-building energy use of less than half of its adjoining office mate and be 40% lower than an average large New York City office building, according to a news release from Hudson Square Properties, the building’s developer.
The tower is fully electrified with no fossil fuel use on site for any purpose. Even though it uses electricity to heat the building, it will use 40% less electricity than comparable commercial properties. The building employs a fully integrated radiant heating and cooling system fed by fluid conditioned in geothermal wells along with a dedicated outdoor air system (DOAS). Working in concert, the two systems optimize energy efficiency and thermal comfort. The DOAS also supplies fresh air for a healthier indoor environment.
A closed-loop geothermal system embedded in foundation caissons uses the steady temperature of the ground for heating and cooling. The geothermal and radiant heating systems effectively turn the concrete superstructure of the building into a large thermal battery. 555 Greenwich will be the first New York City office building to utilize these systems together in this way, the release says.
Advanced building control systems bolster sustainability. “555 Greenwich is pioneering the use of AI to efficiently toggle between the building’s multifaceted geothermal heat sources, predict heating and cooling needs in advance based on weather forecasts and occupancy patterns, and, over time, learn how to more efficiently transfer energy to and from sister building 345 Hudson,” the release says. “A key component of 555 Greenwich’s construction was a one-of-a-kind horizontal overbuild fully integrating the brand-new building with its century-old sibling, and the dynamic is a look at how modern technology can be integrated into older properties.”
Consulting engineers JB&B and sustainable design firm COOKFOX consulted with Swedish firm urbs to develop the leading-edge HVAC system based on concepts employed more commonly in Europe.
On the building team:
Owner and/or developer: Hudson Square Properties and Hines
Design architect: COOKFOX
Architect of record: COOKFOX
MEP engineer: JB&B
Structural engineer: Thornton Tomasetti
General contractor/construction manager: AECOM Tishman
Related Stories
Office Buildings | Oct 21, 2021
Swinerton opens new regional headquarters in Charlotte
Redline Design Group designed the adaptive reuse project.
Office Buildings | Oct 18, 2021
Henning Larsen designs new headquarters building for KAB
The project is located in Copenhagen.
Glass and Glazing | Sep 30, 2021
Plans move forward on Central Place Sydney, duel towers with an AI-driven façade system
SOM and Fender Katsalidis are designing the project.
Office Buildings | Sep 29, 2021
Walmart’s new Home Office is the largest mass timber campus project in the U.S.
The project will occupy approximately 350 acres.
Mixed-Use | Sep 28, 2021
BIG designs new Farfetch HQ on the slopes of Leça River in Porto
The project is situated within the larger Fuse Valley site.
Office Buildings | Sep 26, 2021
Not your father’s office: Workplaces showcase their panache
Three recent projects take very different design routes.
Market Data | Sep 1, 2021
Bradley Corp. survey finds office workers taking coronavirus precautions
Due to the rise in new strains of the virus, 70% of office workers have implemented a more rigorous handwashing regimen versus 59% of the general population.
Laboratories | Aug 31, 2021
Pandemic puts science and technology facilities at center stage
Expanding demand for labs and life science space is spurring new construction and improvements in existing buildings.
Giants 400 | Aug 30, 2021
2021 Giants 400 Report: Ranking the largest architecture, engineering, and construction firms in the U.S.
The 2021 Giants 400 Report includes more than 130 rankings across 25 building sectors and specialty categories.
Laboratories | Aug 30, 2021
Science in the sky: Designing high-rise research labs
Recognizing the inherent socioeconomic and environmental benefits of high-density design, research corporations have boldly embraced high-rise research labs.
