710 Hartman Lane

How does 710 Hartman Lane compare with other K-12 school buildings in New York City?

The latest disclosures cover 2,301 K-12 school buildings in New York City, out of 48,310 buildings citywide. 710 Hartman Lane's ENERGY STAR score of 100 compares with an average of 64 across the 2,052 that report a score; it scores higher than 97% of them. Its site EUI of 22.7 kBtu/ft² is about 63% below the average of 61.3 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 1.2 kgCO₂e/ft² is about 75% below the group average of 4.8 kgCO₂e/ft².

At 38,760 sq ft, it is about 62% below the average floor area of 101,338 sq ft for those buildings. It was built in 1964, 11 years later than the group's average year built (1954). Across all 24 jurisdictions BuildingCensus covers, the 6,548 K-12 school buildings average an ENERGY STAR score of 64 and a site EUI of 52.7 kBtu/ft².

How has 710 Hartman Lane's energy performance changed over time?

BuildingCensus holds 2 New York City disclosures for 710 Hartman Lane, covering report years 2022–2023. Its ENERGY STAR score was 100 in both 2022 and 2023. Site EUI moved from 34.5 kBtu/ft² (2022) to 22.7 kBtu/ft² (2023), a 34% decrease. Reported emissions went from 71 tCO₂e to 47 tCO₂e over the same span (down 34%).

What does an ENERGY STAR score of 100 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: 100 is the top of the scale. BuildingCensus bands the score into report-card grades; 100 falls in band A — high performer (85–100). Scores of 75 or higher meet the threshold for ENERGY STAR certification; certification itself is a separate, verified application that the disclosure does not record. 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. 710 Hartman Lane's 22.7 kBtu/ft² across 38,760 sq ft works out to about 0.9 billion Btu (258 MWh-equivalent) in 2023. Its source EUI of 23.9 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 8,817 therms of natural gas and 486 thousand gallons of water for the year.

Which law requires 710 Hartman Lane to report its energy use?

710 Hartman Lane 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:6694534:2023). 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.