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Aeroseal Case Study - Camden Northgate II

Energy Auditors Specify the Use of Aeroseal oo Increase Energy Efficiency
and Reduce Duct Leakage by Up to 95% in 23-Story Apartment Building

 
Location:Camden, New Jersey
Type:23-story high-rise, 308 units
Goal:Reduce energy usage by 15% or more.
Before Aeroseal:
971 CFM of duct leakage.
After Aeroseal:
83% reduction in leakage.
Results:
Savings of $34,000/year from reduced exhaust fan usage. An additional $3,000/year from increased heating efficiency. 
 Payback: 3-4 years.
 

Owners of Northgate II, a Section 8 community in Camden, New Jersey, were looking to reduce energy costs associated with its 308-unit apartment high-rise. To receive upgrade funding through the State’s Multifamily Weatherization Assistance Program, they had to prove that upgrades would result in substantial energy savings and a payback period of ten years or less. Energy auditors were brought in to evaluate and recommend an effective course of action and specified changes be made to the building’s electrical and mechanical systems. They also insisted that Aeroseal be used to seal leaks throughout the high-rise’s entire duct system. 


An initial audit of the 23-story high rise’s ductwork showed that there were thousands of leaks throughout the building’s exhaust system. As a result, the two large fans would draw stale air out of each of the individual apartments which consumed a lot of energy. By effectively sealing the leaks with Aeroseal and updating the system’s dampers, the fans’ energy use was reduced by more than 217,000 kw/hour – a savings of more than $34,000 a year in electricity. Building owners also achieved an additional $3,000 a year in savings through more effective heating. 

 

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Preliminary testing revealed fairly large gaps throughout the building’s vertical exhaust ducts. The Aeroseal process fixed that problem and in doing so, significantly improved the efficiency of the building’s two exhaust fans. Aeroseal technology played a significant role in helping reduce energy consumption and ultimately meeting the requirements of the State’s Weatherization Assistance Program.

John Ambrose, McDonald Building Company

 

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Our multi-family building specialists have a keen interest in ventilation systems and the wasted energy that often results from leaky ductwork. Through our ongoing experience with Aeroseal technology we’ve come to including the Aeroseal process as a standard recommendation when leaky duct systems are a concern.

Don Casper, energy auditor, Steven Winter Associates