Manhattan Transfer: Geothermal Technology in the City
Tapping into the constant temperature 1,200 feet underground, a Tribeca architect pioneers the use of geothermal technology to heat and cool his rock solid, energy efficient family home.
This stairwell is made of recycled glass slabs. Stainless-steel mesh made for industrial use replaces a far more expensive handrail for the staircase. Low-toxic acrylic paint, made by Fine Paints of Europe (www.finepaints.com), coats the walls.
In addition to this simply designed bathtub by AF Supply, this bathroom hosts intriguingly textured wall tile from Artistic Tile and a hemp robe and slippers for a complete tactile experience.
This kitchen pioneers the use of Marmoleum on the cabinets through a deal the homeowner negotiated with Bulthaup. Though it is a high-end project, he made the most of small and natural features adaptable to many budgets.
St. Marc’s French Limestone from Amarlo paves the Petrarca’s floor. The pillars in the doorway were salvaged from the previous derelict building and then blackened.
New York architect John Petrarca invested not only money but also much time into his Tribeca home. He even hand blew the glass bowls on his coffee tables.
Photos by Paul Warchol
The homeowners themselves completed all the plumbing, heating, and carpentry for this project.
The Petrarca’s son, Ian, whose room receives plenty of natural light through the wall-sized window, enjoys textiles from the Land of Nod (www.landofnod.com). The cabinetry, desk, and rolling drawer set are from LEMA home furnishings.
In summer, heat from the building is discharged back into the colder ground.
The geothermal heat pump relies on a system of underground pipes that reach the earth’s constant internal temperature of fifty-two degrees at a depth of 1,200 feet.
In winter, pipes full of liquid pull heat up into the building via heat pumps.