New York City is witnessing a shift towards sustainable buildings, with the installation of geothermal heat pumps becoming increasingly popular. The technology, which taps into the earth’s temperature to warm and cool buildings, has gained traction thanks to financial incentives, technical support, and stricter laws aimed at reducing fossil fuel emissions.
Developments like 1515 Surf in Coney Island, with its 153 wells and 463 apartments, are showcasing the efficiency of ground source heat pumps. The system eliminates gas-fired equipment, reduces carbon emissions by 60%, and saves tenants up to $450 on electric bills annually. Experts say this technology is a “cheat code” for building owners, providing simple, resilient, and long-term solutions.
Con Edison has installed over 400 geothermal systems in the past few years, with plans to install more. The state’s changing rules, including Local Law 97, which sets limits on carbon emissions from large buildings, are driving this movement. As construction costs increase, operating and maintaining the system becomes cheaper and simpler than traditional HVAC systems.
Future projects, like 1 Java Street in Greenpoint, which will feature twice the size of 1515 Surf with 834 apartments, are set to benefit from the technology. While initial costs are higher, the geothermal system is expected to use a third less energy than typical all-electric buildings. As experts continue to refine the process, construction time and costs may decrease.
The transition towards sustainable buildings in New York City marks an inflection point for the industry. With the federal Inflation Reduction Act, state programs, and local laws promoting geothermal heat pumps, it’s clear that this technology is gaining momentum.
Source: https://www.thecity.nyc/2025/03/21/geothermal-brooklyn-apartment-buildings-heating