2022 Summer Issue - 30
ul10
2. Four Elements Hotel
IJBURG, NETHERLANDS
Dr. Ben Bronsema of Voorschoten, Netherlands, studied the techniques
African termites use to moderate temperatures inside their mounds.
The Four Elements Hotel draws on his findings, relying on the sun and
wind to heat and cool its 198 guest rooms as a kind of natural airconditioning
system. The 11-story structure has two solar chimneys
facing southwest. These glazed vertical voids use sunlight to heat air,
which rises through a heat exchanger that captures it for the building's
water supply. An underground thermal energy storage area captures
any excess warmth for later use.
As the warm air rises, it draws outside air down through another
vertical shaft, the " climate cascade, " where sprays of water cool or
heat it for ventilation. This passive design strategy reduces the need for
mechanical fans. Guests can control their room temperatures and the
level of air flow. Photovoltaic cells cover the facade, rooftop, and canopies
to provide energy. Completed in 2019, the hotel was designed by
Amsterdam firms OZ and NwA architecten and Stockholm-based Doos
Architects for developers Amstelius/Dutch Green Company of Amsterdam
and Borghese Real Estate of Nijkerk, Netherlands.
3. Grand Hyatt at SFO
SAN FRANCISCO, CALIFORNIA
The only on-airport hotel at San Francisco International Airport, the
Grand Hyatt at SFO provides views of airplanes landing nearby through
its curved glass facade. Designed to be 26 percent more energy efficient
than a typical hotel of the same size, the building has rooftop
photovoltaic panels that generate 133,000 kilowatt-hours of electricity
each year. Occupancy sensors power down lighting, heating, and
cooling in rooms when guests are absent in order to lower electricity
consumption.
Low-flow faucets and shower heads, cooling towers with highperformance
water-flow controls, and efficient-flush toilets are estimated
to save 6.7 million gallons (25.4 million liters) of water each year.
The hotel's dual plumbing system will enable it to use reclaimed water
for toilet flushing and irrigation. Guests can reach the hotel via an automated
people mover that also connects to rapid transit and local and
regional bus service lines. Designed by local firm Hornberger + Worstell
with its associate ED2I, the hotel opened in 2019.
30
URBAN LAND SUMMER 2022
OZ/VALENTIJN KORTEKAAS
HORNBERGER + WORSTELL
HORNBERGER + WORSTELL
2022 Summer Issue
Table of Contents for the Digital Edition of 2022 Summer Issue
2022 Summer Issue - Cover1
2022 Summer Issue - Cover2
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2022 Summer Issue - Cover3
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