2006 Green Eggs Presentation
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Transcript of 2006 Green Eggs Presentation
![Page 1: 2006 Green Eggs Presentation](https://reader033.fdocuments.in/reader033/viewer/2022051212/55778f6bd8b42acf398b5144/html5/thumbnails/1.jpg)
Green Eggs
Bringing the Engineer to the Table
March 1, 2006
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Moomaw House, Williamstown, MA
Key integration moment:
Team commits to building envelope performance.
Coldham ArchitectsEnergysmiths – Environmental Consultant
•Zero Energy Goal •6KW PV Array•3 Ton GSPH•90oF Ave. Water Temp•11.3 BTU/Hr/S.F. Heat Loss
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West Side Pump Station
Key integration moment:
Petitioned state DES to waive ventilation rules.
Coldham ArchitectsEnergysmiths – Environmental Consultant Old Roofscape
Owner Goal:
“Keep equipment as simple as possible.”
Elimination of cooling and large reduction in ventilation dramatically simplifies system
![Page 4: 2006 Green Eggs Presentation](https://reader033.fdocuments.in/reader033/viewer/2022051212/55778f6bd8b42acf398b5144/html5/thumbnails/4.jpg)
New Roofscape
Post Construction Photo shows simplified roof equipment
![Page 5: 2006 Green Eggs Presentation](https://reader033.fdocuments.in/reader033/viewer/2022051212/55778f6bd8b42acf398b5144/html5/thumbnails/5.jpg)
Green Woodlands, Lyme, NH
Key integration moment:
Architect Stu White spends day at Petersen Engineering optimizing energy model.
Barnwell ArchitectsBruss Construction – GMBuilding Envelope Solutions – Envelope ConsultantPaul Leveille – Environmental Consultant
No utilities available
Hydro and solar primary power sources
LEED for Homes pilot project
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Infiltration in ventilation loads reduced.
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Energy Model Options
% Change in Energy Efficiency
-5.3%
-2.3%-0.8%
0.5% 0.8% 0.8%
13.6%
23.5%
16.4%
3.0%
-9.8%
-15.0%
-10.0%
-5.0%
0.0%
5.0%
10.0%
15.0%
20.0%
25.0%
30.0%
0.2 AC/Hr 28% MoreSW Glass
30% MoreNW Glass
20% MoreSE Glass
28% LessSW Glass
SouthOrient.
20% LessSE Glass
65degSetback
2x6 Wall Triple Pane HigherSHGC
Options Modeled
% In
crea
se/D
ecre
ase
in E
ner
gy
Eff
icie
ncy
Chart shows relative impact of envelope variable on energy model
40kBtu/S.F./yr. modeled total energy use
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White Mountain School, Bethlehem, NH
Key integration moment:
Architect Rick Renner includes Petersen Engineering in pre-schematic design meeting with science faculty.
Richard Renner ArchitectsBruss Construction – CM
Final boiler sizing made with understanding that extended hood use combined with cold weather will over-cool building
50kBtu/S.F./yr. modeled total energy use
![Page 9: 2006 Green Eggs Presentation](https://reader033.fdocuments.in/reader033/viewer/2022051212/55778f6bd8b42acf398b5144/html5/thumbnails/9.jpg)
River House, York, ME
Key integration moment:
Petersen Engineering sees “heating problem” as an envelope issue and collaborates with building envelope consultant.
Building Envelope Solutions – Envelope Consultant
Project Goal:
Adapt for year-round occupancy
![Page 10: 2006 Green Eggs Presentation](https://reader033.fdocuments.in/reader033/viewer/2022051212/55778f6bd8b42acf398b5144/html5/thumbnails/10.jpg)
Nubi River Co-housing, Peterborough, NH
Key integration moment:
Team signs on to district wood pellet boiler plant with no fossil fuel backup.
O’Neil Pennoyer ArchitectsEnergySmiths – Environmental ConsultantsBruss Construction - CM
45,000 total S.F.
29 Units of Housing
Heating and domestic hot water off central wood pellet boiler plant
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Longfellow Office Building, Portland, ME
Key integration moment:
Architect Scott Simons initiates raised floor building systems approach.
Scott Simons Architects
Energy model progress showing proposed building and future adjacent building
![Page 12: 2006 Green Eggs Presentation](https://reader033.fdocuments.in/reader033/viewer/2022051212/55778f6bd8b42acf398b5144/html5/thumbnails/12.jpg)
Community Campus, Portsmouth, NH
Key moment:
Discovery of Energy Star Target Finder website.
Appendix B-1Annual Combined Gas and Electric Energy Consumption
137.6
126.7
206.4209.9 211.7
127.9
69.9
189.3
93.9
0
50
100
150
200
250
2000 2001 2002 2003 2004 2005* 50% 75% 90%
* Data for 2005 is prorated from October through December.** Target rates based on energy consumption & building characteristics data obtained by the USDOE, Energy Information administration's 1999 Commercial Buildings Expenditures & Consumption Survey.
Th
ou
san
ds
of
Btu
's p
er S
qau
re F
oo
t p
er Y
ear
(kB
tu/S
q.
Ft.
/yea
r)
Measured
Target
Blue columns indicating energy use history
212 kBtu/S.F./yr. peak energy use
Purple columns show Energy Star targets at 50%, 75% and 90%
94 kBtu/S.F./yr. Energy Star energy use