Kerry Park House
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Transcript of Kerry Park House
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05Final Project
12.14.2012
Prof. Lars Junghans
Matt Gilbert
Bryan Pansing
Kerry Park HouCarbon Neutral HomeSeattle, WA
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Kerr
Interio
Final Project
12.14.2012
Prof. Lars Junghans
Matt Gilbert
Bryan Pansing
Our site is located at 303 W.
directly adjacent to Kerry Park
and historic Queen Anne Nei
Seattle. This affords the site a
view of the city skyline and the
Sound. Additionally, the site e
southern exposure on the top o
tallest hills, making it an excellen
solar energy production.
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Floorplans First and Second
Porch
Roof TerraceRoof Terrace
Final Project
12.14.2012
Prof. Lars Junghans
Matt Gilbert
Bryan Pansing
Second Floor Plan
First Floor Plan
KitchenLaundryBathroom
Bedroom Bedroom
Dining Room
Living Room
EntryStair
Porch
Master Bedroom
MasterBath
ClosetStair
The house is sited to take maxim
of views south of the Puget S
Seattle skyline. The entire so
composed of sliding glass panels
daylighting potential and the spe
A porch runs along the entire s
both floors, creating a generous
space and providing solar shadin
spaces. A movable solar shadin
the porch allows for reconfigurat
views as necessary. Every room
positioned to have southern v
second floor master bathroom.
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Roof and Basement Floo
Roof Plan
Basement Floorplan
Boiler and Pellet Storage
Covered Patio
Storage
Garage Driveway
PV Array and Flat Panel
Collectors
Final Project
12.14.2012
Prof. Lars Junghans
Matt Gilbert
Bryan Pansing
Stair
The master bedroom opens ont
decks on the east and west side
taking advantage of views of Ker
Seattle skyline. The roof over th
became an ideal site for the hom
and flat panel solar array. The bincludes a covered patio un
cantilevered main volume of the
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Climat
Final Project
12.14.2012
Prof. Lars Junghans
Matt Gilbert
Bryan Pansing
Our site is located in Seattle,
the Pacific Northwest Region
States. Seattle is located in
Marine West Coast climate that i
by warm (but not hot) summers
not cold) winters. As the climatby the temperature of the ocea
experiences relatively mild seas
heating is typically the larges
cool temperatures and increase
and dampness in the winter m
winter months the temperature t
between 2 and 8 degrees Celsius
the temperature typically range
degrees Celsius. Days tend to be
humid or hot and dry.
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Passive Stra
Final Project
12.14.2012
Prof. Lars Junghans
Matt Gilbert
Bryan Pansing
Multiple variables were conside
in the design of our final build
Using the DesignBuilder softwar
of roof type, glazing type, wind
and wall type were all varied and
effect on total site energy (in kBdifferent component is illustrate
to the left. The components r
lowest total site energy values f
different variables were chosen
into the final building envelope d
Lightweight
Superinsulated
Curtain Wall-
Metal R-10 Wall
Panel, Insulation
Board, Gyp
Board
Stud Wall-Metal
Wall Panel,
Sheathing, R-11
Batt Insulation,
Gyp Board
Curtain Wall-
Spandrel Glass,
R-10 Insulation
Board, Gyp
Board
Series1 12.8 13.1 13.13 13.48
12.4
12.6
12.8
13
13.2
13.4
13.6
TotalSite
Energy(kBTU/ft2)
Wall Type Analysis
Heavyweight
Insulated Concrete
Roof
Best Practice Flat
Roof, Heavyweight
ASHRAE Handbook
Roof 9: Metal Deck
Roof
Series1 16.75 32.94 16.74
0
5
10
15
20
2530
35
TotalSite
Energy(kBTU/ft2)
Roof Type Analysis
40% Window Wall
Ratio
30% Window Wall
Ratio
20% Window Wall
Ratio
Series1 33.47 32.94 16.25
0
5
10
15
20
25
30
35
40
TotalSite
Energy(kBTU/ft2)
Window Wall Ratio Analysis
Triple Glazed
13 mm Low E
Windows w/
Argon
Triple Glazed
6 mm Low E
Windows w/
Air
Double
Glazed 6/13
mm Low E
Windows w/
Argon
Sgl LoE
(e2=.2) Clr
6mm
Project
External
Glazing
Series1 13.71 17.18 22.72 24.75 32.94
0
5
10
15
20
25
30
35
TotalSite
Energy(kBTU/ft2)
Glazing Type Analysis
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Building D
Vacuum insulated panels
Steel frame
Temperature resistantplastic brackets
Fasteners
Standing-seam zinc panel
Gypsum wall board
Typical wall section
1= 4
Window detail
1= 4
Roof corner detail
1= 4
Final Project
12.14.2012
Prof. Lars Junghans
Matt Gilbert
Bryan Pansing
Our building utilizes a light
insulated building envelope com
structural insulated panels sheat
metal cladding. This envelope
a light and thin appearance wit
tightness and heat retention ovbatt insulation. The panels a
top of each other to prevent t
thermal bridges from the exterio
reducing heating demand and o
energy cost.
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Window openings in the hou
strategically placed facing c
window openings on the opposi
allows air from the outside to na
the space, facilitating fresh air in
cooling properties. The mild cliallows the cross ventilation ac
window placement to act as the p
system within the structure
reducing site energy demand, wh
temperature and humidity lev
range of the occupants comf
is then coupled with a mov
system on the south-facing facad
occupant to further customize
well as the sunlight entering the
Natural Vent
Final Project
12.14.2012
Prof. Lars Junghans
Matt Gilbert
Bryan Pansing
Second Floor Natural Ventilation Diagram
First Floor Natural Ventilation Diagram Moveable Shading System
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Final Project
12.14.2012
Prof. Lars Junghans
Matt Gilbert
Bryan Pansing
Our buildings energy concept
several important systems in o
our buildings heating and energ
heating, our building utilizes a b
the boiler is both up to 96% effic
entirely by renewable and lo
wood pellets. To further redu
load, or building makes use of a
unit as well. Additionally, our b
a flat plate collector solar water h
This system allows most of our b
heating energy to be provided b
energy from the biomass boil
backup system. Additionally,
electrical power is provided by a
of solar panels on the second floo
Energy CoEnergy Conversion Building Systems Energy Use
Photovoltaic
Roof Panels
Biomass Boiler
Solar Hot Water Heater Air Handling Unit
Supply Air
Return Air
Flat Plate
Solar Collector
Heat Recovery Unit
Electrical Power
Boiler Pellet
Feed
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Final Project
12.14.2012
Prof. Lars Junghans
Matt Gilbert
Bryan Pansing
Several systems were considere
heating demand for this building
system had its own particular a
installation of a biomass boiler
decided to be the best option.
the small amount of CO2 produceboiler, our sites proximity to tim
made the resupply of the boiler
much more convenient to manag
the large amount of storage s
on our lower level provided the
site storage for the systems woo
numerical calculations that led to
the left can be viewed on the nex
Active Sy
0 0 0 0
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
Systems for heating
Electric resistance heating
Furnace
Condensing Boiler
Biomass Boiler
Heat Pump (External Air)
Heat Pump (geothermal)
CHP
Operation cost[$/ft2 year]
0 1 2 3 4 5 6 7 8 9
Systems for heating
Electric resistance heating
Furnace
Condensing Boiler
Biomass Boiler
Heat Pump (External Air)
Heat Pump (geothermal)
CHP
spec. CO2 emission [kg CO2/ft2 year]
0 0.5 1 1.5 2 2.5
Systems for heating
Electric resistance heating
Furnace
Condensing Boiler
Biomass Boiler
Heat Pump (External Air)
Heat Pump (geothermal)
CHP
spec. CO2 emission reduction [kg CO2/ft2 year]
Guntamatic Biostar 12W Biomass Boiler Diagram
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Final Project
12.14.2012
Prof. Lars Junghans
Matt Gilbert
Bryan Pansing
Active Sy
Energy Conversion Heating and Cooling
Systems for heating Use Energy Deman COP/Efficiency Secondary Energy
[kWh/ ft2 Year] [kWh/ ft2 Year]
Electric resistance heating 3.75 1 3.75
Furnace 3.75 0.85 4.41
Condensing Boiler 3.75 0.95 3.95
Biomass Boiler 3.75 0.8 4.69
Heat Pump (External Air) 3.75 2.1 1.79
Heat Pump (geothermal) 3.75 3.4 1.10
CHP 3.75 0.7 5.36
. . .
. . .
. . .
. . .
. . .
. .
.
.
Cost Operation Cost Primary Energy Factor spec. CO2 em.
[$/kWh] [$/ft2 year] [-] [kg CO2 / kWh prim]
0.18 0.68 3.34 12.53 0.62
0.12 0.53 1.05 4.63 0.23
0.12 0.47 1.05 4.15 0.23
0.11 0.52 1 4.69 0.05
0.18 0.32 3.34 5.97 0.62
0.18 0.20 3.34 3.68 0.62
0.12 0.64 1.05 5.63 0.27
. . . . .
. . . . .
. . . .
. . . . .
. . . . .
. . . . .
. . .
. . .
Cost
Systems for heating
Electric resistance heating 0.68
Furnace 0.53
Condensing Boiler 0.47
Biomass Boiler 0.52
Heat Pump (External Air) 0.32
Heat Pump (geothermal) 0.20
CHP 0.64
ll .
ll .
ll l .
ll l .
ll .
l .
Systems for heating
Electric resistance heating 7.77
Furnace 1.07
Condensing Boiler 0.95
Biomass Boiler 0.23
Heat Pump (External Air) 3.70
Heat Pump (geothermal) 2.28
CHP 1.52
ll .
ll .
ll l .
ll l .
ll .
l .
specific CO2 emission Electricity Saved CO2 emission
[kg CO2 / ft2 year] [kWh/ft2 year][kg CO2 / ft2 year]
7.77 1.13 2.33
1.07 1.13 0.27
0.95 1.13 0.27
0.23 1.13 0.06
3.70 1.13 2.33
2.28 1.13 2.33
1.52 1.13 2.33
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
l . .
. . .
l . . .l . . .
l . . .
l . . .
. . .
ll . . .
ll . . .
ll l . . .
ll l . . .
ll . . .
l . .
Systems for heating Chose system
Electric resistance heating
Furnace
Condensing Boiler
Biomass Boiler x .
Heat Pump (External Air)
Heat Pump (geothermal)
CHP
.
ll
ll
ll l
ll l
ll
l
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Supply Air Ducts
Return Air Ducts
Final Project
12.14.2012
Prof. Lars Junghans
Matt Gilbert
Bryan Pansing
HVAC System Dia
Second Floor Ventilation Diagram
First Floor Ventilation Diagram
Basement Boiler Location
A pellet boiler system was ch
generation. Due to the relative
temperatures in Seattle, as well a
positioning to take advantag
from the Puget Sound, no coo
necessary. Air ducts are mostly cthe homes circulation spaces.
also ties into the homes air exc
which was necessary due to the
vacuum insulated wall system.
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Final Project
12.14.2012
Prof. Lars Junghans
Matt Gilbert
Bryan Pansing
Mechanical Ventilation SyCalculation of energy demand for ventilation air speed in[ft/min]
500
Fitting x No. of fitting type air speed in
[ft/min]
90 bend,sharp 1.3 1 500
T, flow to branch 0.3 2 500
Flow from duct to room 1 4 500
500
500
500
500
Channel section volume flowlength of channelength of channela ir speed in c
[ft3/h] [ft] [m] [ft/min]
1 1400 31 9.424 500
2 1400 30 9.12 500
3 1400 27 8.208 500
4 0 500
5 0 500
6 0 500
1400
volume flow
[ft3/h] [m3/h]
Total volume flow 1400 39.2
Ventilator efficiency 75
Power fan 0.3012295 W/m3
Operation hours 8760
Energy demand fan 103439.8
channel
channel density DPfan[m/s]
2.54 1.23 0.716396417
2.54 1.23 0.3306445
2.54 1.23 0
2.54 1.23 0
2.54 1.23 0
2.54 1.23 0
2.54 1.23 0
0 1.23 0
hannel Channel area Channel diameter friction coeffi DPfan
[m/s] [m2] [ft2] [m] [ft]
2 .54 0.00428696 0.04608486 0.07389926 0.23278267 0.015 7.589776533
2.54 0.00428696 0.04608486 0.07389926 0.23278267 0.015 7.344945032
2.54 0.00428696 0.04608486 0.07389926 0.23278267 0.015 6.610450529
2.54 0 0 0 0 0.015
2.54 0 0 0 0 0.015
0.22592213
0
20000
40000
60000
80000
100000
120000
1
kWh/year
Energy demand fan
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Kerr
Final Project
12.14.2012
Prof. Lars Junghans
Matt Gilbert
Bryan Pansing
The use of an tight building env
with efficient low CO2 producin
resulted in a building which pro
energy than it needs to operate
a highly efficient boiler couple
recovery unit, and the absence o
cooling due to the natural ventilby the buildings design, result
with a very low specific energy d
Active SySpecific Energy demandHeating 12.8 [kBTU/ ft
2 Year]
Cooling 0 [kBTU/ ft2 Year]
l
0.00
0.20
0.40
0.60
0.80
1.00
1.20
1.40
1
Artificial Lighting
Ventilation
Warm Water
HeatingCooling
l
$/ft2 year
.
.
.
.
.
.
.
.
l
l
l
0.00
0.50
1.00
1.50
2.00
2.50
1
Artificial Lighting
Ventilation
Warm Water
HeatingCooling
kg CO2/ft2 year
Final result CO2 emission
kg CO2/ft2
year kg CO2/ft2
year
Heating 0.23 0
Cooling #DIV/0! 0
Warm Water Heating 0.29 0
Ventilation 0.62 0
Artificial Lighting 1.05 0
CO2 reduction CHP 0 0.05626047
Photovoltaics 0 5.16512033
Wind power generatio 0 0
0.00
1.00
2.00
3.00
4.00
5.00
6.00
1 2
Wind power
generation
Photovoltaics
CO2 reduction CHP
Artificial Lighting
Ventilation
Warm Water Heating
kg CO2/ft2 year
Photovoltaics
Area of array 300 [ft2]
No of PV standard array 1 [-]
Fraction caused by orientation 1 [%]
Efficiency of PV 12 [%]
Tilt Angle
0
30 x
45
60
90
Gross floor area building 2058.23 ft2
Electri c energy harvesti ng 2.49426325 kWh/ft2
Primary energy Factor 3.34
CO2 emission electricity 0.62
reduced CO2 emission 5.1651203 CO2/ft2
i
l il i
l i i
i
i i l i i
i i
i
li
0
2
4
6
8
10
12
Heating Cooling
kBTU/ft2 year