Knoll Realty - 186 Hooper st

How does Knoll Realty - 186 Hooper st compare with other multifamily housing buildings in New York City?

The latest disclosures cover 33,022 multifamily housing buildings in New York City, out of 48,310 buildings citywide. Knoll Realty - 186 Hooper st's ENERGY STAR score of 22 compares with an average of 63 across the 22,829 that report a score; it scores higher than 13% of them and lower than 87%. Its site EUI of 120.5 kBtu/ft² is about 61% above the average of 74.9 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 7.5 kgCO₂e/ft² is about 44% above the group average of 5.2 kgCO₂e/ft².

At 27,281 sq ft, it is about 73% below the average floor area of 100,951 sq ft for those buildings. It was built in 1918, 34 years earlier than the group's average year built (1952). Across all 24 jurisdictions BuildingCensus covers, the 59,945 multifamily housing buildings average an ENERGY STAR score of 70 and a site EUI of 59.0 kBtu/ft².

How has Knoll Realty - 186 Hooper st's energy performance changed over time?

BuildingCensus holds 2 New York City disclosures for Knoll Realty - 186 Hooper st, covering report years 2022–2023. Its ENERGY STAR score went from 27 in 2022 to 22 in 2023 (-5 points); its best year on file was 2022, at 27. Site EUI moved from 123.5 kBtu/ft² (2022) to 120.5 kBtu/ft² (2023), a 2% decrease. Reported emissions went from 195 tCO₂e to 204 tCO₂e over the same span (up 5%).

What does an ENERGY STAR score of 22 mean?

ENERGY STAR scores run from 1 to 100 and are computed by the EPA's Portfolio Manager as a percentile against similar buildings nationwide, adjusted for climate, size and use: a score of 22 means the building performs better than about 22% of its national peers. BuildingCensus bands the score into report-card grades; 22 falls in band D — lowest band (1–54). It sits 53 points below 75, the threshold for ENERGY STAR certification. In New York City, 43% of scored buildings are at 75 or above.

Site energy-use intensity (EUI) is the energy a building uses on site in a year divided by its floor area, in thousand Btu per square foot — lower is more efficient. Knoll Realty - 186 Hooper st's 120.5 kBtu/ft² across 27,281 sq ft works out to about 3.3 billion Btu (963 MWh-equivalent) in 2023. Its source EUI of 160.7 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 155,848 kWh of electricity, 27,569 therms of natural gas and 2,384 thousand gallons of water for the year.

Which law requires Knoll Realty - 186 Hooper st to report its energy use?

Knoll Realty - 186 Hooper st reports under Local Law 84 (LL84), the legal basis of New York City's Energy and Water Data Disclosure program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2023 disclosure (source record nyc:6589554:2023). Under Local Law 97, buildings over 25,000 sq ft face carbon caps with fines of $268 per metric ton of CO₂e over the limit, phasing in from 2024.