BuildingCensus
D

Duffield House Apartments

Multifamily Housing in Philadelphia, PA · 3701 Conshohocken Avenue · 19131

ENERGY STAR score
46
band D · 2024
Site EUI
79.1
kBtu/ft²
GHG emissions
1,332
tCO₂e
GHG intensity
kgCO₂e/ft²
Floor area
sq ft
Year built
1964
vintage
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85–10070–8455–691–54
This entry + 6 nearby

Phila. Code §9-3402 / Building Energy Performance Program · reporting year 2024

Benchmarking record

FieldValue
ENERGY STAR score46 (band D)
Site EUI79.1 kBtu/ft²
Source EUI128.7 kBtu/ft²
GHG emissions1,332 tCO₂e
GHG intensity
Electricity1,996,846 kWh
Natural gas138,270 therms
Water use8,086 kgal
Gross floor area
Source recordphiladelphia:5015293:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest46+779.1 kBtu/ft²1,332 tCO₂e
202339+980.3 kBtu/ft²1,346 tCO₂e
202230+795.9 kBtu/ft²1,569 tCO₂e
202123-997.0 kBtu/ft²1,635 tCO₂e
202032-488.1 kBtu/ft²1,525 tCO₂e
20193690.4 kBtu/ft²1,542 tCO₂e

Compliance context

Phila. Code §9-3402 / Building Energy Performance Program

Philadelphia's Building Energy Performance Program requires buildings over 50,000 sq ft to benchmark and complete tune-ups, with fines for failure to report.

Program details →

Ownership

No owner listed in the disclosure.

Own or manage this building? Claim it to correct the record and get compliance alerts.

Location

Address
3701 Conshohocken Avenue
State
Pennsylvania
ZIP
19131
Coordinates
40.00391, -75.20447

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in Philadelphia · biggest emitters

Frequently asked questions

What is Duffield House Apartments's energy grade?

Duffield House Apartments scores 46 out of 100 on ENERGY STAR — band D (Lowest band (1–54)) — in its 2024 Philadelphia disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does Duffield House Apartments use?

Its 2024 site energy-use intensity was 79.1 kBtu/ft² (128.7 kBtu/ft² source) across —, including 1,996,846 kWh of electricity and 138,270 therms of natural gas.

What are Duffield House Apartments's carbon emissions?

Duffield House Apartments reported 1,332 tCO₂e of greenhouse-gas emissions for 2024. Philadelphia's Building Energy Performance Program requires buildings over 50,000 sq ft to benchmark and complete tune-ups, with fines for failure to report.

Dataset updated . Source: Building Energy Benchmarking disclosure, record philadelphia:5015293:2024.