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Identifying Design Opportunities for Deep Energy Retrofits RetroFit Depot Identifying Design Opportunities for Deep Energy Retrofits Available for download at www.RetroFitDepot.org Introducing the Retrofit Depot: Deep Energy Retrofit Guides Several commercial building energy retrofit guides already exist, but none address deep energy retrofits. Rocky Mountain Institute wants the owners, occupants, service providers, and retrofit practitioners1 of our nation’s commercial buildings to be aware of the opportunity in deep energy retrofits. We want them to know the value. We want them to have a solid understanding of the process. We also want to arm them with design recommendations that will help make their deep energy retrofits most effective. Provides comprehensive guidance on BuIlDInG framing and quantifying the value of thE CasE Such is the aim of the RetroFit Depot website. It is an unbiased source of 1 deep energy retrofits. information about deep energy retrofits for commercial buildings. On the website people are able to gain a high level understanding of the value of deep retrofits and the required process to achieve them. For those who would like to learn more, we have created a set of three guides. Lists the key components of the manaGInG deep energy retrofit process that Since you are now reading the Guide to Managing Deep Energy Retrofits, DEEp EnERGy limit or eliminate cost premiums, you are likely motivated to realize the value of deep energy retrofits as 2 REtROfIts enable risk management, and create described on the RetroFit Depot website and the Building the Case guide. maximum value. This guide will help you understand the key action items for a deep energy retrofit. You may be the building owner, or perhaps you are the energy efficiency Provides the retrofit practitioner IDEntIfyInG with instructions for identifying or sustainability champion at your organization, or maybe you are a service DEsIGn provider preparing a pitch to your client. opportunities to reduce energy 3 OppORtunItIEs consumption by end-use. Regardless of who you are, you are ready to get started. 1We use “owners” and “occupants” to refer to those individuals making the decision to invest in deep energy savings for their building space. They include owner-investors, owner-occupants, and tenants of buildings. We use “service providers” to refer to those individuals that help business professionals retrofit their building space. These professionals include portfolio, asset, property, and facility managers, as well as other service providers such as brokers, appraisers, lawyers, and sustainability/LEED consultants. We use “retrofit practitioners” to refer to those individuals that help owners renovate and upgrade. These professionals include architects, engineers, and contractors, as well as professionals at energy service companies (ESCOs). RETROFIT DEPOT: MANAGING DEEP ENERGY RETROFITS ROCKY MOUNTAIN INSTITUTE 1 table of Contents IntRODuCInG thE DEEp EnERGy REtROfIt GuIDEs...........................1 BuIlDInG EnVElOpE...........................................................................................21 DEsIGn GuIDanCE OVERVIEW..........................................................................4 Define Needs..............................................................................................................21 Introducing Integrative Design..................................................................................5 Reduce Loads.............................................................................................................22 How to Use this Guide.................................................................................................6 Consider the Climate................................................................................................25 thE RIGht STEps In thE RIGht ORDER.......................................................7 Leverage a Planned Facility Improvement..........................................................25 lIGhtInG (DAYLIGhtInG & ElECtRIC)...........................................................8 sERVICE WATER hEATInG.................................................................................26 Define Needs.................................................................................................................8 Define Needs..............................................................................................................26 Reduce Loads through Daylighting.........................................................................10 Reduce Loads..............................................................................................................27 Design Efficient Electric Lighting.............................................................................13 Consider the Climate.................................................................................................27 Add Efficient Exterior Lighting.................................................................................14 Leverage a Planned Facility Improvement...........................................................27 Add Lighting Controls................................................................................................15 hEATInG VEntILATIOn, anD aIR COnDItIOnInG (hVaC)................28 Consider the Climate..................................................................................................17 Define Needs..............................................................................................................28 Leverage a Planned Facility Improvement...........................................................17 Reduce Loads..............................................................................................................29 PLUG/mIsCEllanEOus lOaDs anD OCCUPANT BEhaVIOR...........18 Consider the Climate.................................................................................................29 Define Needs...............................................................................................................18 Specifiy Equipment Type.........................................................................................29 Reduce Loads..............................................................................................................19 Optimize Distribution Design...................................................................................30 Add Controls...............................................................................................................,19 Recover and Reuse Waste Streams.......................................................................30 Educate the Occupants.............................................................................................20 Optimize Controls.......................................................................................................30 Consider the Climate..................................................................................................20 Bundle Measures to Optimize Synergies.............................................................31 Leverage a Planned Facility Improvement...........................................................20 Leverage a Planned Facility Improvement...........................................................31 In COnCLUSIOn......................................................................................................32 REfEREnCEs.............................................................................................................33 RETROFIT DEPOT: MANAGING DEEP ENERGY RETROFITS ROCKY MOUNTAIN INSTITUTE 2 acknowledgements R. pEtER WIlCOx anD JOhn JEnnInGs The RetroFit Depot: Deep Energy Retrofit Guides Northwest Energy Efficiency Alliance for commercial buildings were developed within maRk fRankEl the RetroFit Initiative of Rocky Mountain Institute. New Buildings Institute Rocky Mountain Institute’s valued donors made this pEtER RumsEy anD hIlaRy pRICE work possible. Integral Group DJ huBlER anD ERIn Ells Johnson Controls, Inc. The Rocky Mountain Institute project team to produce the Identifying Design Opportunities guide JIm kElsEy kW Engineering consisted of Elaine Gallagher Adams, Frank Alsup, harvey anDERsOn anD JOhn RICE Michael Bendewald, Cara Carmichael, Coreina Essentia Health Chan, Ellen Franconi, Nicole Hammer, Joshua DaVID WIllIams Hathaway, Molly Miller, Victor Olgyay, Roy Torbert, LHB, Inc. and Caroline Fluhrer Traube. The team is indebted phIl yuska to the following external reviewers: Performance Services RETROFIT DEPOT: MANAGING DEEP ENERGY RETROFITS ROCKY MOUNTAIN INSTITUTE 3 Design Guidance Overview Buildings use 42 percent of the nation’s energy—much of which is wasted through inefficient design and operation. Standard retrofit approaches that focus on replacement of individual technologies can capture a substantial portion of this efficiency potential. However, much larger savings and greater value can be achieved cost-effectively through integrative design that optimally combines such technologies2. This guide gets you started in being able to combine technologies and to truly practice integrative design. Retrofit practitioners who practice integrative design create a competitive advantage for themselves as a high- value service provider. And they will help transform our buildings from energy hogs into more comfortable, livable, and workable spaces that can help usher in an efficient and renewable energy era. 2E.g., a report of 50 recent building retrofits that save 30–80% energy cost states that
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