IAG Energy Success Stories

2157 Ocean Avenue

2157 Ocean Avenue Brooklyn, NY 11229 US


This document is a summary report of the energy audit conducted by IAG Energy, LLC for the multifamily building located at 2157 Ocean Avenue in Brooklyn, New York. The purpose of the audit was to provide energy use analysis, identify viable energy conservation measures that reduce energy and operating costs and provide estimates for the facility’s carbon footprint reduction as well as firm implementation costs and realistic savings.

The scope of work included a detailed survey of the building envelopes, mechanical and electrical systems, as well as an analysis of the building’s annual energy (electric, and natural gas) costs and consumption. IAG Energy also documented the facility’s operating characteristics. The recommended ECM’s represent economically and technically feasible opportunities to improve the facility’s operating efficiency and to find ways to reduce ongoing energy and operating costs.

The facility includes sixty (60) apartments, common areas, and mechanical room located at the ground level of the building. Overall, the energy consuming systems at this location appeared to be in good condition in terms of age and maintenance.

Building Information

Quality Mills Work Corporation owns and operates the building at 425 Devoe Avenue, Bronx, NY 10460 since 1939. The two story brick building is 50,000 square feet and was built in 1939. The building has an office space, which are approximately 600 square feet and a factory which is 49,400 square feet. According to the owner, the building is open from 8 AM to 4 PM Monday to Friday.

Assessment Highlights

  • The building Energy Utilization Index (EUI) is
  • Total estimated combined energy use is 4,797,197 kBtu
  • The study came up with 4 Energy Conservation Measures
  • The simple payback for all measures is 2.12 years

Benefits & Savings

Date Completed: August 2013

Annual Energy and Cost Savings:

  • Electricity Savings: 911.6 kWh
  • Gas/Fuel Savings: 1,113.5 therms
  • Total Cost Savings: $19,687.02

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