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Deep Savings: Using Case Studies in Our Search for Success Find Sources and learn from Case Study results already gathered on Best practices and Measured Performance.
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Deep Savings Webinar 6/30/2011Photo credit C. Higgins
Deep Savings Webinar 6/30/2011
AgendaTopic Who Minutes
Welcome & Overview Cathy Higgins 15
Work and Project Stories
DOE National Renewable Energy Lab
Shanti Pless 20
New Buildings Institute Cathy Higgins 20
Rocky Mountain Institute Mike Bendewald & Victor Olgyay
20
Closing and Q & A All 15
Deep Savings Webinar 6/30/2011
Overview
The Market
Measurement
Deep Savings Webinar 6/30/2011
The Market -
policies, priorities & trends
Deep Savings Webinar 6/30/2011
Drivers
EISA 2007
California Zero Net Energy Action Plan
Outcome-based Codes
Deep Savings Webinar 6/30/2011
Ratings & Labels
Deep Savings Webinar 6/30/2011
Deep Savings Webinar 6/30/2011
Plug Loads Now becoming 30-60% of high performance buildings energy use
Deep Savings Webinar 6/30/2011
Deep Savings Webinar 6/30/2011
Deep Savings Webinar 6/30/2011
Deep Savings Webinar 6/30/2011
Deep Savings Webinar 6/30/2011
Deep Savings Webinar 6/30/2011
0%
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50%
60%
70%
80%
% of Bldgs % of Sq. Ft. % of Energy Use
Buildings under 50,000 SF are:• 95% of the buildings• 50% of the square footage• 45% of Energy Use
Source: Data from Energy Information Administration Commercial Building End-Use Consumption Survey (CBECS) 2003.
U.S. Commercial Non-Mall Buildings by Size
Deep Savings Webinar 6/30/2011
Amount of U.S. Commercial Floor Space by Building Type
Source: Data from Energy Information Administration Commercial Building End-Use Consumption Survey (CBECS) 2003.
Deep Savings Webinar 6/30/2011
Total Commercial Energy Use by Building Type
Office24%
Education18%
Health Care13%
Lodging11%
Warehouse10%
Food Service9%
Public Assembly
8%
Non-Mall Retail
7%
Source: Data from Energy Information Administration Commercial Building End-Use Consumption Survey (CBECS) 2003.
Deep Savings Webinar 6/30/2011
RMI Deep Retrofit Needs Assessment1. Financing: none available
2. Risk/litigation: never done it before; don’t want to reduce installed cooling capacity, don’t want to force on tenants, etc.
3. Business case: rapid building turnover; more compelling alternative investments, etc. Value of energy efficiency
4. First cost: cost of technologies and of services, etc.
5. Split incentives: tenant/landlord; costs of sub-metering, etc.
6. Retrofit process: time-consuming phases; non-standardized analysis/audit procedures; difficult to engage all stakeholders
7. Design: few capable engineers; cream-skimming habits; no incentives to maximize savings, etc.
8. Awareness and demand: uncertain tenant demand for energy efficiency, etc.
17Source: RMI’s Industry Needs Assessment, Pike’s Research, Q3 2010
Bold = Areas helped through Case Studies
Deep Savings Webinar 6/30/2011
Labels and Ratings Matter
CHANGING MOTIVES FOR ENERGY EFFICIENCY:Cost, incentives, public image top the list
Source: Johnson Controls Inc., Energy Efficiency Indicator 2011 Global Results
Deep Savings Webinar 6/30/2011
Advancing technologies change opportunities
U.S. respondents say smart building and lighting technology will see greatest increase in market adoption in next decade.
Those who have implemented smart grid/building technology are 2.5 times more likely to review data frequently
Source: Johnson Controls Inc., Energy Efficiency Indicator 2011 Global Results
Deep Savings Webinar 6/30/2011
Business Rationale
• First mover benefit• Early Absorption• Differentiation• Biz Operations
– Operating Costs: Genzyme -42%– Productivity: up to 15%
improvement– Absenteeism: Toyota -14%– Turnover: PNC -50%
• Capture Incentives
20
Source: www.greenbuildingservices.com
Deep Savings Webinar 6/30/2011
Measurement
Deep Savings Webinar 6/30/2011
What about data?
• ~ 5 million commercial buildings nationwide
• 100,000 using Energy Star Portfolio Manager
• 10,000 Energy Star Labeled, 10,000 LEED buildings, DOE’s High Performance Database, Better Bricks Database, AIA COTE Awards , NBI’s GT50 data, utility programs – est. 25,000 +/-
5 Million
100 thousand using Portfolio Manager
25 thousand E.S./LEED labeled etc. High Performance Buildings
Deep Savings Webinar 6/30/2011
Where’s the recent data?4.8 million commercial buildings nationwide
122 in NBI’s 2008 LEED study - Constructed after 2000Energy measured 2006 – 2007
2,790 in CEUS 2006 database
5,200 observations in the 2003 CBECS databaseOnly 410 for 2000-2003 construction - Energy Measured in 2003
2010
2007
2003
The National Institute for Building Science (NIBS), along with ASHRAE and AIA plus partners, are leading a national public effort to address the data collection gap.July 18th forum.
• CBECS 2007 delayed significantly and then discarded due to statistical problems• CBECS 2011 is being discarded due to EIA Lower FY 2011 funding levels.• CBECS 2012 is the next planned survey… release date will be…TBD
Deep Savings Webinar 6/30/2011
Compared to What?
Lower your expectations…Zero Net Energy (ZNE)
Best practiceexisting building (ZNE…)
Portfolio Mgr. EUI
Nat. avg. Office EUI (CBECS)
Case Study: The Beardmore EUI
Better
Energy Information Administration Commercial Building End-Use Consumption Survey (CBECS) 2003.Energy Star Portfolio Manager calculates an EUI for a building based on like building types, climate, size, occupancy and loads
zEPI - Based on AEC / Charles Eley’s Beyond Percent Savings
Deep Savings Webinar 6/30/2011
Absolute matters Absolutely
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Mea
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"The Barn" Certified Silver Gold Platinum
NBI Study of the measured performance of 100 LEED buildings.
Deep Savings Webinar 6/30/2011
NREL – Shanti Pless
Separate presentation available
New Buildings Institute
Deep Savings in Existing BuildingsWebinar June 30, 2011
Cathy HigginsProgram Director
Deep Savings Webinar 6/30/2011
NEW BUILDINGS INSTITUTE
Deep Savings Webinar 6/30/2011
Current Work
Deep Savings Webinar 6/30/2011
NBI Current Related Work
1. First View
2. Office of the Future Consortium
3. PIER – Evidence-based Design and Operations
4. Measured Performance and Getting to 50
Deep Savings Webinar 6/30/2011
USGBC Building Performance Reportthru NBI’s First View
Deep Savings Webinar 6/30/2011
2) Office of the Future (OTF) Consortium
Managed by:
and
A group of utilities with progressive energy efficiency programs that are working together to improve the quality and energy performance of the built environment in existing, multi-tenant commercial offices.
Multi-measure, plug loads, metering
Deep Savings Webinar 6/30/2011
3) Evidence-based Design & Operations
• Document performance of a set of California high performance buildings
• Identify critical performance indicators
• Develop communication packages for designers, owners, and operators, explaining their roles in performance.
• 22 buildings energy performance assessed through First View and interviews
• 12 of those buildings through site visits and interviews
Deep Savings Webinar 6/30/2011
4) Measured Performance and Getting to 50
• GT50 High Performance Buildings Portal
• Case Studies
• Research Studies
Deep Savings Webinar 6/30/2011
Measured Performance & Case Studies
Deep Savings Webinar 6/30/2011
Getting to 50
Deep Savings Webinar 6/30/2011www.algonline.org *subscription-based content
Daylighting Case Studies*
Deep Savings Webinar 6/30/2011
Measured Performance
Case Studies
Deep Savings Webinar 6/30/2011
AVENTINE – GLENBOROUGH | La Jolla, CA
• Multi-Tenant Office
• 10-Story, 210,000 sf
• Constructed in 1989
• 2008 –2010 Retrofits:
• All electric, no gas, extensive HVAC, lighting & cool roof retrofits
• EUI: 37 kBtu/sf/yr
• Energy Star Rating: 100
• Owner: Glenborough, LLC
Case Study
Deep Savings Webinar 6/30/2011
JBDG Office Building | Seattle, WA
• Owner occupied Office
• 2-Story, 8,000 sf
• Constructed in 1984
• Retrofit Ongoing
• EUI: 36 kBtu/sf/yr
• Energy Star Rating: 94
• EPA Small Business Innovation Award
• Owner: JBGD, Inc,
Credit: Steve Allwine
Case Study
Deep Savings Webinar 6/30/2011
Efficiency Measures
• High-efficiency HVAC heat pump
• Heat recovery
• Sealed and caulked existing windows
• Lighting upgrade to T5 fixtures
• Daylighting controls
• Occupancy sensors
• Energy management monitoring system
JBDG Office Building | Seattle, WA
Best practiceexisting building
Portfolio Mgr. EUI
Nat. avg. EUI
JBDG EUI
Pre-retrofitEUI
Deep Savings Webinar 6/30/2011
Business Context• Total project cost: $31/
sq ft• Focused on upgrades
with a payback of 5-6 years
• Reduced annual operating costs by $3,840
• Demonstrate energy efficiency design strategies for clients
Credit: Steve Allwine
JBDG Office Building | Seattle, WA
Deep Savings Webinar 6/30/2011
The Beardmore Building | Priest River, ID
• Multi-Tenant Office
• 2-Story, 28,800 sf
• Constructed in 1922
• Retrofit 2006 – 2008
• EUI: 32 kBtu/sf/yr
• Energy Star Rating: 90
• LEED Gold and National Historic Registry
Case Study
“sparked new economic life into the community, giving it a renewed sense of pride and entrepreneurial spirit. “ Brian Runberg, Owner
Deep Savings Webinar 6/30/2011
Case StudyThe Beardmore Building | Priest River, ID
Best practiceexisting building
Portfolio Mgr. EUI*
Nat. avg. Office EUI (CBECS)
Beardmore EUI
*Energy Star Portfolio Manager calculates an EUI for a building based on like building types, climate, size, occupancy and loads
Deep Savings Webinar 6/30/2011
BUSINESS CONTEXT
• Complete rebuild $105/sf*
• ~ $25,000 yr. energy savings
• Applied cost/benefit analysis to energy measures
• Rents average ~ 35% higher than other local properties.
Case Study
“The initial investment has proven itself to be financially prudent, with substantially lower
operation costs, greater lasting quality, and a healthy environment for its users. Equally
important is the preservation of an important historic landmark...”
Brian Runberg, Owner
*after tax credits and incentives
The Beardmore Building | Priest River, ID
Deep Savings Webinar 6/30/2011
The Vance Building | Seattle, WA
• Multi-Tenant Office
• 14-Story, 134,000 sf
• Constructed in 1929
• Retrofit 2007
• EUI: 39 kBtu/sf/yr
• Energy Star Rating: 98
• LEED EB Gold and AIA Seattle 2009 Top 10 Awards
• Owner: Rose Smart Growth Investment Fund
Credit: William Wright Photography
“In ten years every building will either be a Brown building or a Green Building.”
Jonathan Rose, March 2011
Case Study
Deep Savings Webinar 6/30/2011
The Vance Building | Seattle, WA
Best practiceexisting building
Portfolio Mgr. EUI
Nat. avg. EUI
Vance EUI
Efficiency Measures• Removed ducted
heating systems• Recalibrated steam
heating system• Localized thermostats• Operable windows• Automated
sunshades• Lighting retrofit with
automated controls• Light shelves• CO2 sensors• Re-commissioning
Pre-retrofitEUI
Deep Savings Webinar 6/30/2011
The Vance Building | Seattle, WA
Business Context
• Building occupied during renovation
• Improvement cost: $26/sq ft
• Increased occupancy by 26% since renovation
• Created TI guidelines for tenant retrofits to guide design decisions for daylighting, ventilation, and finishes.
Credit: Lara Swimmer
“Vance’s original, historic design attributes, such as terrazzo floors, high ceilings, operable windows and floor plans designed to maximize natural light, not only have great character but also have inherent environmentally sensitive qualities. We sought to uncover and restore these attributes while incorporating modern, energy efficient green improvements.” – Nathan Taft, Jonathan Rose Companies
Deep Savings Webinar 6/30/2011
• Multi-Tenant nonprofit Office
• 6-Story, 38,800 sf
• Constructed in 1908
• Retrofit 2006
• EUI: 42 kBtu/sf/yr
• Energy Star Rating: 85
• LEED EB Gold, LEED CI Silver, Energy Star Leader and Colorado Energy Champion Award
• Owner: Alliance for Sustainable Colorado
The Alliance Center | Denver, CO
Credit: Alliance for Sustainable Colorado
Case Study
Deep Savings Webinar 6/30/2011
Efficiency Measures• Direct Digital HVAC Control
system• Occupancy sensors• Photocells for daylight
harvesting (fifth floor only)• High-Efficiency glazing• Commissioning• T8 fixtures with dimmable
ballasts • Commissioning• Photovoltaics• Translucent Wall Panels• Increased insulation• Sun Shades (sixth floor only)• Un-refrigerated water
fountains
The Alliance Center | Denver, CO
Best practiceexisting building
Portfolio Mgr. EUI
Nat. avg. EUI
Alliance Center EUI
Deep Savings Webinar 6/30/2011
Business Context• Total project cost:
$3.07/sq ft• Average annual energy
savings: $8,800 • 35 tenants focused on
advancing sustainability • Serves as a public
demonstration project for advanced design strategies
The Alliance Center | Denver, CO
Credit: Slaterpaull Architects
Deep Savings Webinar 6/30/2011
Glumac Engineering
• First OTF/AEO pilot submitting data on installed energy performance
• Irvine, CA
• 8,328 SF
• 35 employees
• SCE Utility
Case Study
Office of the Future
Deep Savings Webinar 6/30/2011
Glumac
• Irvine, CA• 8,762 SF • Tenant Improvement • Open office• Private offices• Conference room• Kitchen & lobby areas• January 2010
occupancy
Deep Savings Webinar 6/30/2011
Glumac Lighting Calculations
• Title 24 – 2005 Energy Calculations
• Cost - hard costs only– $9.25/SF for equipment and installation
– Does not include design
Code Allowance 9,828 W 1.18 W/SF
Connected 7,039 W 0.85 W/SF
Control Credit 5,526 W 0.66 W/SF
Operating at 0.2-0.3W/SFduring occupied hours
Deep Savings Webinar 6/30/2011ACEEE Summer Study August 2010 Science & Engineering I – 236,989 gsfClassroom and Office – 103,006 gsf
UC Merced – GT 50 Case Study of M.P.
Campus Plant
Deep Savings Webinar 6/30/2011
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100
(61) 2001 Title 24 Baseline
Savings-By Design Baseline (96)
(31) Predicted vs. Title 24
2007-08 Measured at Plant (46)2007-08 Measured at Building (44)
Predicted vs. Benchmark (37)
Goal (80% of Benchmark) (57)
TraditionalStandards-Based Analysis
All-Systems Analysis with Actual Operating Conditions and Loads
Site Energy Intensity kBtu/year/gsf
1999 UC/CSU Benchmark (71)
0
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(61) 2001 Title 24 Baseline
Savings-By Design Baseline (96)
(31) Predicted vs. Title 24
2007-08 Measured at Plant (46)2007-08 Measured at Building (44)
Predicted vs. Benchmark (37)
Goal (80% of Benchmark) (57)
TraditionalStandards-Based Analysis
All-Systems Analysis with Actual Operating Conditions and Loads
Site Energy Intensity kBtu/year/gsf
1999 UC/CSU Benchmark (71)
Source: Karl Brown, CIEE and NBI GT50 Case Study
Traditional Analysis: Prescribed Schedule and Load Assumptions
Deep Savings Webinar 6/30/2011
• Seattle Biomedical Research Institute – 35% energy reduction - $43,400 annual savings
• Alcyone Apartments, Seattle, WA– 30% energy reduction –$80,000 annual savings
• 9th & Stewart Life Sciences Building, Seattle, WA – 27% energy reduction for core & shell – $17,650 annual
savings
• Puget Sound Energy Corporate Headquarters, Bellevue, WA– 199,431 kWh or $10,000 annual energy savings
• Gerding/Edlen Development Company, Brewery Block 4, Portland, OR– 21.5% energy savings - $58,700 annually
GBS Examples of Realized Savings
57
Source: www.greenbuildingservices.com
Deep Savings Webinar 6/30/2011
Average Bottom Line Savings
GREEN INPROVEMENTS PAY FOR THEMSELVES IN YEARS
3(ANNUAL RETURN ON INVESTMENT IS 25-40%)
The William and Flora Hewlett FoundationMenlo Park CALEED Gold
58Source: USGBC online slides referencing a CA Study
Deep Savings Webinar 6/30/2011
Case Study Summaries
Deep Savings Webinar 6/30/2011
EXISTING BUILDINGS
EXAMPLES OF DEEP ENERGY SAVINGSNBI Research Report for the Northwest Energy Efficiency Alliance
50 existing buildings with savings in the 30% to 80% range.12 New Case Studies this summer
Deep Savings Webinar 6/30/2011
• NBI Contacted 47 organization/firms
• Researched 28 leading industry websites
• Reviewed over 500 case studies
• Identified 50 Existing building projects– 45 Renovations
– 4 Equipment upgrades/retrofits/remodels
– 1 Tenant improvement
DEEP ENERGY SAVINGS IN EXISTING BUILDINGS
• Very Difficult to get data:• Energy bills• Measure Descriptions (definition barriers)• Cost Information• Occupant satisfaction
Deep Savings Webinar 6/30/2011
Case Study Sites
• The other 17 websites included: e-bids, e-Bids, AIA COTE – National, NEEP Schools Case Study Database, Green Star, CoStar, Green Building Assoc. of Central PA, Building Perf. Evaluation –Rutgers, City Of Portland, City of Seattle, USGBC Case Studies, NEEA/Better Bricks, Architectural Lighting, BOMA 360 Buildings, CA Green Building Directory, Wisconsin Green Building Alliance, Climate Works Foundation, Northern CA Chapter USGBC.
• Additional projects found from NBI Research Projects, A & E firms, Contractors and Utility Programs
Deep Savings Webinar 6/30/2011
EXISTING BUILDINGS
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Most buildings found in the search were Offices or Office/mixed retail
Deep Savings Webinar 6/30/2011
EXISTING BUILDINGS
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Energy Conservation Measures
HVAC Measures
Lighting Measures (incl. daylighting)
Daylighting Measures
Building Controls
Envelope Upgrade
Add Renewable Energy
Deep Savings Webinar 6/30/2011
– Real Estate Industry is Repositioning Assets
– Improving existing buildings is the best value now
– Where deepest savings are more likely to occur
– More public and ‘green firms’ continuing to renovate buildings during the economic downturn
– Larger scopes are more likely to be documented
– Single measure or ‘shallow’ retrofits are less likely to be found in a search (more contractor driven)
Why did we find mostly “Renewals”** “renewals”, “major renovations”, “whole building upgrades” all denote that the building had significant changes to the interior, structure and/or activity type in addition to efficiency measure improvements.
Deep Savings Webinar 6/30/2011
• Best of Best – advanced mechanical, daylighting, advanced controls, natural ventilation plus pay attention
• Worst of Best – usually no clue that building not performing, mostly operational issues, occasionally design or construction; Cx post occupancy should fix most
• Ongoing measured performance of buildings is critical– Metering and monitoring
Digging into buildings and data
Deep Savings Webinar 6/30/2011
Cross-Cutting Themes
• Integrated design is more critical to the development of low/zero-energy buildings than is any given technology.
• Moving beyond design and construction into operations, plug loads, process energy and other “unregulated loads” is a critical step.
• There is need for a consistent, long-term metric to measure the performance of buildings and policy, such as the Zero Energy Performance Index (zEPI).
• More measured performance data at the case-study level, and at the system level to support owner and private financing.
Deep Savings Webinar 6/30/2011
NBI Upcoming
Deep Savings Webinar 6/30/2011
What about zero-net energy buildings?• About 20+ built in U.S.
• Documenting net zero capable (i.e. less than 30 kBTUs site)
• Except for NREL, mostly small
• All the basics plus very efficient HVAC, daylighting, natural ventilation, heat recovery and design
• 50+ projects under design/ construction, e.g. Living Building Challenge, Savings by Design, Energy Trust of Oregon
NBI study – to be released soon
NREL Research Support Facility (RSF)
IDEAZ Z2 | San Jose, CA
Deep Savings Webinar 6/30/2011
NBI Research Database• Consolidated data repository from all NBI whole-
building performance projects– Facilitates current and future research
– Supports cross-cutting analyses
– Supports peer group / benchmark determination
Deep Savings Webinar 6/30/2011
First View Pilot of Public User Interface
and Automated Interpretations
• Very low occupant loads
• Efficient shell and ventilation
• Low occupant loads
• Efficient shell, ventilation
• Inefficient cooling
• Heating control inefficiency
• Low occupant loads
• Inefficient shell, ventilation
• Possible solar gain influence
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Ref: 112
Deep Savings Webinar 6/30/2011
Gold-PlatinumSilverCertified
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First View and Comparative Measured Performance
Owners and Designers want to know how their projects perform compared to others.
This graph shows Actual Energy Use Intensity (EUI) by LEED Level (from 2007 NBI LEED study)
Your Building’s EUI
Deep Savings Webinar 6/30/2011
Take Aways
Deep Savings Webinar 6/30/2011
Case Study Commonalities
• Document• Ongoing Learning• Share Stories (Self Promote)
Market Awareness
• Owners• Leaders• High Profile• Trends• Policies• Future
Proofing
Mission Driven
• Green Firms• Non-Profits• Corporate
Leaders• Passion• Fun• Visionary
Money Matters
• Assess the full Value
• Trade offs possible
• Go bigger, lose less
• Internal Capital
Integrate Technologies
• Controls• Daylighting• Monitoring• Plug Loads
Deep Savings Webinar 6/30/2011
How to move existing buildings
• Create and support innovative technical solution sets that build on the strengths of existing buildings.
• Critical need for new financial tools that can support deep savings (40% to 60%)
• Move from widget based efforts to integrated system based efforts with enhanced controls.
• Provide like examples of projects.
Deep Savings Webinar 6/30/2011
RMI – Michael Bendewald & Victor Olgyay
Separate presentation available
Deep Savings Webinar 6/30/2011
Closing
• DOE commercial Building Initiative (and High Performance Buildings Database) http://www1.eere.energy.gov/buildings/commercial_initiative
• Zero Energy Commercial Buildings Consortium www.zeroenergycbc.org
• EPA ENERGY STAR® www.energystar.gov
– Battle of the Buildings www.energystar.gov/index.cfm?fuseaction=buildingcontest.index
– Portfolio Manager www.energystar.gov/index.cfm?c=evaluate_performance.bus_portfoliomanager
• USGBC LEED® Existing Building Operations & Management (EBOM) www.usgbc.org/LEED
• Urban Land Institute “Lessen” www.less-en.org
• NEEA BetterBricks Existing Buildings Renewal Initiative www.neea.org/ourwork/commercial.aspx
• Lawrence Berkeley National Lab Energy IQ Benchmark tool www.energyiq.lbl.gov
Related Work on Existing Buildings (1)
• BOMA www.boma.org– 7-Point Challenge, BOMA 360® , Building Energy Efficient Programs (BEEP), Experience Exchange
Report
– Kilowatt Crackdown www.kilowattcrackdown.betterbricks.com
• Green Globes www.greenglobes.com
• AIA: 2030 Commitment and Sustainability 2030 Toolkit www.aia.org
• ASHRAE Building EQ Labeling Pilot www.buildingeq.com
• National Institute for Building Science (NIBS) www.nibs.org/index.php/nibs/newsevents/news/Entry/hearing_cbd
• Institute for Market Transformation and Natural Resources Defense Council BuildingRating.org www.buildingrating.org
• National Association of Energy Service Companies (NAESCO) www.naesco.org
Related Work on Existing Buildings (2)
• RMI Retrofit Depot www.retrofitdepot.org
• New Buildings Institute Measured Performance and Getting to 50 database www.newbuildings.org
• NREL Open Studio http://openstudio.nrel.gov/energy-modeling-retrofit-projects
• California Strategic Energy Efficiency and Zero Energy Commercial Action Plans www.cpuc.ca.gov/PUC/energy/Energy+Efficiency/eesp
• Institute for Building Energy Efficiency www.institutebe.com (Johnson Controls, Inc.)
• Utility programs – check with your provider of energy
• Case Studies Sites – listed on NBI slide within the presentation
There are many more public and private efforts working to improve the energy efficiency of existing buildings, this is not intended as a complete list but many sites will link to further resources.
Related Work on Existing Buildings (3)
Deep Savings Webinar 6/30/2011
Q& A / Thank you
Cathy Higgins – Program [email protected]
Mike Bendewald – Analyst [email protected]
Victor Olgyay – Principal [email protected]
Shanti Pless – Sr. Research [email protected]
Share your Projects @:www.newbuildings.org/advanced-design/getting-50-beyond