Green Building by Edward deVicente, AIA, CPHC Planner Boot Camp.
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Transcript of Green Building by Edward deVicente, AIA, CPHC Planner Boot Camp.
Green Buildingby Edward deVicente, AIA, CPHC
Planner Boot Camp
US EPA Website
Green buildings are designed to reduce the overall impact of the built environment on human health and the natural environment by:• Efficiently using energy, water, and other resources• Protecting occupant health and improving employee
productivity• Reducing waste, pollution and environmental degradation
Green BuildingDefined
Green BuildingHistory
In the 1970s, a small group of forward-thinking architects, environmentalists, and ecologists, …began to question the advisability of building in this manner. Their efforts were given impetus by the celebration of the first Earth Day in April 1970, but it was not until the OPEC oil embargo of 1973 that the nascent “environmental movement” captured the attention of the public at large.
Building Design & Construction – White paper on SUSTAINABILITY 11/03
Green BuildingHistory
The green building field began to come together more formally in the 1990s. A few early milestones in the U.S. include:• American Institute of Architects (AIA) formed the
Committee on the Environment (1989)• Environmental Resource Guide published by AIA, funded by EPA (1992)• EPA and the U.S. Department of Energy launched the
ENERGY STAR program (1992)• First local green building program introduced in Austin, TX (1992)• U.S. Green Building Council (USGBC) founded (1993)• "Greening of the White House" initiative launched (Clinton Administration
1993)• USGBC launched their
Leadership in Energy and Environmental Design (LEED) version 1.0 pilot program (1998)
US EPA Website
Green BuildingWhy?
Data from the U.S. Energy Information Administration shows that buildings are responsible for 48% of greenhouse gas emissions annually and 76% of all electricity generated by U.S. power plants goes to supply the Building Sector [Architecture2030]
There are many reasons to build green:• We have to (Regulatory, more strict every year)• We want to (More healthy and comfortable, feel better)• We need to (Better use of resources, saves money, reduces reliance on
energy)• We CAN!! (It’s Building Science, not Rocket Science!!)
Green BuildingDrivers
What are the primary drivers of Green Building?• Regulations
• Federal Buildings• State Buildings• Commercial Buildings• Residential Buildings
• Voluntary• Personal choice to do better• Produces better buildings – More comfortable, more durable
• Financial• Saves Money in the long term (Owner Occupiers)• Incentive programs through utilities• Green building financing? Not readily available
Green BuildingRegulations
Green BuildingCalifornia
California EPA website
California Energy code “Title 24” (1978)Since 1978, when Building Energy Efficiency Standards, known as the
California Energy Code, were initially adopted, Californians have saved more than $56 billion in electricity and natural gas costs.
AB 32 (2006)Governor Schwarzenegger signed AB 32, the Global Warming Solutions
Act of 2006, which set the 2020 greenhouse gas emissions reduction goal into law. Executive Order S-3-05 calls for reducing greenhouse gas emission reduction for 2020 to 1990 levels; and for 2050, reduce GHG emissions to 80 percent below 1990 levels.
AB 1103 Nonresidential Building Energy Use Disclosure Program
Green BuildingCommercial Buildings
AB 1103 Nonresidential Building Energy Use Disclosure Program:
A building owner shall disclose the Data Verification Checklist for the building to: • A prospective buyer of the building, no later than 24 hours prior to execution
of the sales contract. • A prospective lessee of the entire building, no later than 24 hours prior to
execution of the lease. • A prospective lender financing the entire building, no later than submittal of
the loan application.
AB1103
Green BuildingCommercial Buildings
AB1103
At least 30 days before a disclosure is required by Section 1683, a building owner shall open an account or update an existing account for the same building on the EPA’s ENERGY STAR® program Portfolio Manager website, and within the account: • Provide the owner name and the owner email address; • Provide the building name, the building street address, city and ZIP code, and
the year in which the building was constructed; • Identify all sources of energy use data for the entire building, for at least the
most recent 12 months; • Provide space use characteristics as specified by Portfolio Manager for all
space types in the entire building; and • Request all utilities and energy providers serving the building to release
energy use data for the entire building from at least the most recent 12 months for specified meters or accounts to the owner’s Portfolio Manager Account; or, the owner may manually enter all energy use data for the entire building from at least the most recent 12 months to the owner’s Portfolio Manager account.
Green BuildingCommercial Buildings
AB1103
IS THIS A GAME CHANGER?Creates a value to a building’s efficiency
Would the financial industry valuate buildings differently, creating new Energy Efficient Loans?
Tenant spaces will be more or less valuable through Operating cost comparisons
Could spur Construction industry through Energy Efficiency Improvements to better position a building in the market
Some deals may come to a halt!!
Green BuildingCommercial Buildings
California EPA website
AB 1103 When is this disclosure required?
• On and after July 1, 2013, for a building with total gross floor area measuring more than 50,000 square feet.
• On and after January 1, 2014, for a building with a total gross floor area
measuring more than 10,000 square feet and up to 50,000 square feet. • On and after July 1, 2014, for a building with a total gross floor area
measuring at least 5,000 square feet and up to 10,000 square feet
• Initial compliance is DELAYED until January 1, 2014
BE READY!!
Green BuildingCalifornia
AB 32 (2006) – CalGreen & Title 24•All new residential construction net zero by 2020•All new Commercial Construction net zero by 2030
Executive Order B-18-12•State buildings to be Net Zero by 2025
California EPA website
Green BuildingNet Zero
?
Green BuildingNet Zero
US DOE
?Net Zero“a building with zero net energy consumption
and zero carbon emissions annually.”
Green BuildingNet Zero
Energy ProductionSolarWind
Perpetual Energy machine?Carbon Credits?
What does the future hold?
Green BuildingNet Zero
Energy ReductionIt’s Building Science, not Rocket
Science!
Green BuildingNet Zero
Energy ReductionIt’s Building Science, not Rocket
Science!
Green BuildingVolunteer Sustainability
LocalSanta Barbara Built Green
StateCalGreen Tier 1 & 2
NationalLeadership in Energy and Environmental Design (LEED)
National Green Building Standard (NGBS)US DOE Challenge Home and Energy Star
InternationalThe Living Building Challenge
Passive House
Green BuildingPassive House
Passive House
Passive House US
The Passive House concept represents today's highest energy standard with the promise of slashing the heating energy consumption of buildings by an amazing
90%. In the realm of super energy efficiency, the Passive House presents an intriguing option for new and retrofit construction; in residential, commercial,
and institutional projects.
Green BuildingPassive House
A Passive House is a very well-insulated, virtually air-tight building that is primarily heated by passive solar gain and by internal gains from people, electrical equipment, etc. Any remaining heat demand is provided by an
extremely small source. An energy recovery ventilator provides a constant, balanced fresh air supply. The result is an impressive system that not only saves up to 90% of space heating costs, but also provides a uniquely terrific indoor air
quality.
Passive House US
Green BuildingPassive House
Performance Characteristics
• Airtight building shell ≤ 0.6 ACH @ 50 pascal pressure, measured by blower-door test.
• Annual heat requirement ≤ 4.75 kBtu/sf/yr• Primary Energy ≤ 38.1 kBtu/sf/yr
In addition, the following are recommendations, varying with climate:• Window u-value ≤ 0.8 W/m2/K
Ventilation system with heat recovery with ≥ 75% efficiency with low electric consumption @ 0.45 Wh/m3
• Thermal Bridge Free Construction ≤ 0.01 W/mK
Passive House US
Green BuildingPassive House
Green Building Passive House
Is it possible to build very low income housing that is affordable, uses low energy, durable, easy to maintain and comfortable?
Case Study
It’s Building Science, not Rocket Science!!
YES!
Green Building Passive House
822,824,826 Canon Perdido Condos12 Townhomes in 3 buildings
Green Building Passive House
822,824,826 Canon Perdido Condos12 Townhomes in 3 buildings
Green Building Passive House
Canon Perdido CondosBuilding “B” Begins construction
Features:Advanced framing walls (@24” O.C)
Exterior Insulation wrapAir-tight Construction (lots of caulking, foam and tape!)
Solar PV, PT Hybrid roof systemConstant Whole house ventilation with energy recovery
Passive solar design with nighttime coolingHigh performance windows
Energy Star appliances
Green Building Passive House
Canon Perdido CondosBuilding “B”
Advanced framing walls (@24” O.C)
Green Building Passive House
Canon Perdido CondosBuilding “B”
Exterior Insulation wrap
Green Building Passive House
Canon Perdido CondosBuilding “B”
Air-tight Construction (lots of caulking, foam and tape!)
Green Building Passive House
Canon Perdido CondosBuilding “B”
ECHO Solar PV, PT Hybrid roof system
Green Building Passive House
Canon Perdido CondosBuilding “B”
Constant Whole house ventilation with energy recovery
Green Building Passive House
Canon Perdido CondosBuilding “B”
High performance windows
Green Building Passive House
Canon Perdido CondosBuilding “B”
Green Building Passive House
Canon Perdido CondosBuilding “B” is Passive House Pre-Certified!!
What is the result?70%-80% reduction of energy use over current energy code
Low energy bills!Very Comfortable!
No draftsConstant, filtered fresh air
Harnessed free energy from the sun for heating, electricity and hot water
Green Building Passive House
Canon Perdido CondosBuilding “B”
What is the result?
Green Building Passive House
Canon Perdido CondosBuilding “B”
HAPPY HEALTHY FAMILIES!
What does it COST?
Green Building Passive House
Canon Perdido CondosBuilding “B”
Green BuildingIncentives
Financial Incentives:Through the Utilities(PGE, Gas Company, SCE)
California Advanced Homes (Residential)Savings By Design (Commercial)
Solar Home Partnership
Green Building What’s next?
Where do we go from here?There are many drivers and reasons to Build Green:
• We have to (Regulatory, more strict every year)• We want to (More healthy and comfortable, feel better)• We need to (Better use of resources, saves money, reduces
reliance on energy)• We CAN!! (It’s Building Science, not Rocket Science!!)
Thank You!