Sunday, 26 June 2016: 1:30 PM-3:00 PM
Fundamentals and Applications
Chair:
Constantinos A. Balaras, Ph.D., Group Energy Conservation (IERSD-NOA)
Sponsor: GPC 34
Historic building retrofit projects offer unique challenges to improving energy performance while preserving the historic nature of the building. This seminar introduces the new ASHRAE Guideline 34 "Energy Guideline for Historical buildings," which is in the final stages of development. Presentations provide an overview of relevant guidance and regulations published around the world, summarize the new Guideline 34 and provide insight into specific technical issues that should be considered during historic building retrofit projects.
1 Energy Guidelines for Historic Buildings: Reviewing the Regulatory Context and Recent Trends
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Amanda L. Webb, Department of Architectural Engineering, The Pennsylvania State University |
Historic buildings have traditionally been granted exemptions in energy codes in both the US and EU. This talk reviews existing guidance on energy efficiency and retrofits in historic buildings, in order to provide context for ASHRAE’s recent work. The defining features of historic buildings and special considerations for their retrofit are introduced, along with the basic tenets of historic preservation. The nature of code exemptions is explored in some ASHRAE’s standards (e.g. 90.1, 100) and from the EU. The contents, approach, and key recommendations in a number of existing guidance documents (CIBSE, AiCARR) are reviewed, highlighting similar trends and major differences.
2 An Introduction to ASHRAE's New Energy Guideline for Historical Buildings
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Janice Means, P.E., Lawrence Technological University |
This presentation gives an overview of the contents in the new ASHRAE GPC 34 Guideline which provides direction on addressing the unique issues associated with making historic buildings more energy efficient. Work on the guideline was initiated in late fall of 2012 by a relatively small, but internationally- and discipline-diverse ASHRAE committee. Seminar attendees will be educated on the structure and general recommendations in the guideline. This document is intended to advise design teams. The developers went to great lengths to respect and preserve historic architecture and associated artifacts while striving to optimize the buildings’ energy efficiency and occupant comfort.
3 Key Historic Building Recommendations in ASHRAE Guideline 34
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Michael C. Henry, P.E., Graduate Program in Historic Preservation, School fo Design, University of Pennsylvania x |
Energy efficiency is critical for the continued utility and function of a historic building, but energy efficiency measures (EEMs) should not diminish the building’s durability or its character-defining features. Historic buildings vary greatly in envelope construction, condition, spatial configuration, climatic context, use and occupancy. These variations preclude broad prescriptive EEMs since some EEMs may have unintended negative impacts on a specific building. ASHRAE Guideline 34 addresses this concern by identifying EEMs with high benefit and low risk and EEMs which may have negative impacts and require study. Attendees will learn how to apply ASHRAE Guideline 34 to this important issue.