Commercial
Applying the Nordic Approach to heat distribution
Hudson Square Properties is looking to fully decarbonize their commercial building portfolio—starting with 345 Hudson.
Completed 2032
Retail
Multifamily co-op transforms wastewater into clean energy
A pioneering low carbon retrofit project of two 20-story buildings containing 316 affordable apartments across 425,000 square feet.
Completed 2026
Multifamily
Boiler replacement with a dual fuel system
Addressing uneven heating issues to improve comfort and save money
Completed 2025
Commercial
Full electrification with heat recovery systems
An integrated retrofit approach that was recognized as a model for electrification and decarbonization in NYC.
Completed 2025
Multifamily
Thermal battery transforms historic Brooklyn building
Energy retrofit for a history 4-story building
Completed 2025
Multifamily
Bronx Apartments Cut Costs Through Upgrades
14 affordable housing buildings in the South Bronx made energy upgrades to achieve LL97 compliance through 2030, saving $155,000/year in energy costs.
Completed 2024
Multifamily
Brooklyn Apartments Upgrade to Cut Costs
13 pre-war affordable housing buildings in Brooklyn upgraded key systems to improve efficiency, lower costs, and comply with LL97 through 2050.
Completed 2024
Commercial
Empire State Building
Explore Empire State Realty Trust's (ESRT) groundbreaking and comprehensive plan to bring the iconic building to net zero.
Completed 2024
Multifamily
Manhattan Co-op Avoids Fines with Upgrades
Inwood Park Apartments cooperative replaced its roof, upgraded to LEDs, and added radiator covers to eliminate LL97 penalties and improve resident comfort.
Completed 2024