energy modeling 2009 presentation
DESCRIPTION
Broad scope energy modeling presentation demonstrating the different software packages available including eQUEST and EnergyPro V5TRANSCRIPT
“LEEDership for Sustainability”
“GREEN BUILDING”-Not the conversation of a decade ago
• Accreditations: CHEERS, HERS Rater, Sustainable Building Advisor, CGBP, LEED AP• Members: USGBC Northern California Chapter, Emerging Green Builder, Architecture 2030, BOMA, RESNET
-Matt Macko
Energy Modeling
Lee Eng Lock – “Almost anything that uses energy needs to be looked at with a new pair of eyes”
People Don’t Want Energy
Hot Showers Cold BeersThey Want:
AB 1103• Assembly Bill
– Requires electric and gas utilities to maintain records of building energy consumption
– Moving the industry toward better building efficiency– California Wide – Existing Stock
• Portfolio Manager– ENERGY STAR Score– Same as LEED EBOM
• 2010 you will see the effect
Who?• Who is modeling for?
Its for EVERYONE on EVERY project whether LEED or
notNumerous studies have shown there are no day lighting or energy
benefits with window-to-wall ratios over 60 percent25 and 40 percent is optimum Yet we continue to build glass boxes
When? - Early
• When just 1% of a project’s up front costs are spent…up to 70% of its life-cycle cost may already be committed.” – Joseph Romm, energy expert
• A couple thousand up front can pay for itself in the first couple months
• Small 4 story Soma building – built 2001– Monthly spending $20,000 on energy
What?• DOE2
– DOE2 1e-Visual DOE– eQuest– EnergyPro– HAP-Carrier– Trace– Energy 10• Weather maker• Energy Plus• TRYNSYS• Green Building Studio– Its not just Title 24 calcs• Studies show the most effective models come from outside 3rd parties –
and rarely from engineering firms
Graphical User Interfaces
• Makes energy modeling easy to use• We used to text edit for DOE Simulations• DOE – working to develop better GUIs
Energy Modeling Benefits in Each Phase?
Load Reduction
Renewable
Efficiency
Water
Waste
En
erg
y
Energy Modeling Basics
Reduced Glazing Area
Shading
Landscaping
Building Orientation
Natural Resources
Heat Island Reduction
Mechanical
Energy EfficiencyTemperature
Humidity
Occupancy
Plug LoadsLighting
Energy Modeling Advanced
Appropriate Shading Device
Solar
PassiveHeating/Cooling
Cool Roof
Green Roof
Fenestrations
Energy Efficiency
Geo ThermalWind Turbines
Low E
Emissivity
LPD
Thermal Storage
Spectrally Selective
What’ Next?
AB 32 Title 24 2008AB 811 ASHRAE 2007AB 1103 Architecture 2030Transportation Bill Carbon Cap & Trade
Strategies• Energy Efficient Measures
– Often an Existing Building term • Need to be thought of in the same sentence
– www.eere.energy.gov– www.fypower.org– www.dsireusa.org– www.doe.gov– www.fishnick.com (Commercial Kitchen)
• 3000 - only 800 have received a basic energy audit• Pacific Energy Center
• Upcoming classes