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Installation Quality Framework: Investment Return Approach for Energy Savings on Building Product Installation...

by Jalaycia Hughes, Bjoern Pallin, Antonio J Aldykiewicz Jr, Clayton Clark
Publication Type
Journal
Journal Name
Journal of Construction Engineering and Management
Publication Date
Page Number
04021158
Volume
147
Issue
11

A case study was conducted on 44 residential homes using both traditional house wrap and ZIP System systems to measure the overall airtightness and compare estimated energy usages. The labor, material, and overhead and profit (O&P) costs were analyzed and used to determine the optimal choice for long-term benefits in terms of cost and performance. The impact of insulation installation is considered a key factor in improving the strategy of reducing energy consumption. Improved installation practices can affect the airtightness of common wall assemblies to reduce the building energy performance gaps and provide insight on how to allocate resources better. A framework was developed to analyze operational costs and building energy performance to address how installation quality is a factor in the return of investment in building construction for heating and cooling systems within the thermal envelope. With this methodology, aggressive energy performance goals will be met while balancing the tradeoff between installation techniques and building systems efficiency based on the introduced probabilistic investment return (PIR) metric.