Adoption of high performance building systems in hot-humid climates - Lessons learned

Document Type

Article

Publication Date

8-26-2013

Abstract

Purpose - The purpose of this paper is to explore the adoption process of high performance building technologies, including alternative wall systems, in hot-humid climates. Challenges faced by homebuilders adopting high performance building technologies, and resulting energy performance are discussed. Design/methodology/approach - The paper is a case study of four homebuilders using high performance building technologies, including advanced framing, panelised and modular. For each homebuilder, a baseline and a demonstration house were evaluated for energy performance and technology adoption. Homebuilders were interviewed to identify implementation challenges and barriers faced during the construction process. Findings - The advanced framing, modular and panelised houses used 50 percent, 42 percent, and 35 percent less energy when compared to the traditional stick-built. Further, the modular appeared to have the greatest opportunity to boost performance for least cost. Participating builders identified cost as the top constraint to a wide adoption of high performance criteria, followed by a slow learning curve and the lack of proper marketing channels to transition from construction to sale. Research limitations/implications - Several limitations of the research restrict generalisation of findings: results are based on a small sample of homebuilders; and results reflect energy performance in a hot and humid climate. It is likely that relative energy usage will change as the size, scope, and design complexity of the common element changes. Originality/value - Findings from this study will contribute to a better understanding of the usability of high performance technologies and ease the transition towards implementing high performance criteria into every builder company's culture. © 2013 Emerald Group Publishing Limited. All rights reserved.

Publication Source (Journal or Book title)

Construction Innovation

First Page

186

Last Page

201

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