2 Charlton Street is a residential post-war building located in Hudson Square neighborhood of Manhattan. After installing 230 Cozys in the building, 2 Charlton Street saw a 22.8% reduction in heating-related carbon emissions and an increase in comfort by the tenants. 2 Charlton Street is currently in compliance with Local Law 97 emissions guidelines in New York City.
| Size of project | 175 apartments |
| Product used | Cozy Custom |
| Number of Cozys | 230 |
| Heating cost savings | $37,700 |
| Fuel type | Natural Gas |
| Tons of emissions saved | 168.2 |
| Therms avoided | 31,674 |
