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Habitat for Humanity March 1999
Background image prepared by the Computer Graphics Dept., Purdue University
Floor PlansEnergy Efficiency
0
25
50
75
100
125
kBtu
/ ft²
Heating Cooling Lights Other Total
ANNUAL ENERGY USEBuilding 1 Building 2
72.6
54.3
0 03.0 3.0
20.4 20.1
95.9
77.4
Three Bedroom 1 / AutoBuild Shoebox
Information Package
Main Page
Home SelectionGuide
ConstructionGuide
3DViews
SimpleFloorPlans
Econo-mics
EnergyTips
Blue-prints
MaterialInventory
List
ConstructionTips
ConstructionCosts
MonthlyGas & Electric
Costs
Average Costto Own and Operate
(e.g., 10 years)
Energy Efficiency
Information Package
Floor Plans
Standardized Blueprint Team
Presented by: Megan Moloney
Brian Vosberg
Kevin Miller
Michelle Tozer
Megan Moloney
Blueprints - for 2, 3 & 4 Bedroom homes
Architectural
–Floor Plan
–Wall Section
–Elevation
Electrical
Standardized Blueprint Team
Electrical Blueprint
Energy Efficiency Team
Presented by: Tim Wilson Tim Wilson
Adam Stanczak
John Wiley
Doug Crook
Asli Kumcu
Energy Efficiency
Goal– To find cost effective ways to improve the energy efficiency of
Habitat homes.
– To convey this information to the future home owners.
Approach– Using Energy 10 software, we are simulating the energy use of a
standard home for a year.
– We are also analyzing the cost effectiveness of various home improvements using the same process.
– Finally, we will present this and other information to potential homeowners in a concise, useable format.
Energy Efficiency - Energy 10
Inputs– Air infiltration model
– Lighting profiles
– Floor plan
– Local utility costs
– Shading
– Insulation
Modifications– 2x4 vs 2x6 exterior walls
– 1’ vs 2’ overhangs
– Window size and type
– Central air vs window a/c vs attic fan
– Inside vs outside ducts
– Furnace efficiency
– Air infiltration (house wrap)
Progress– Complete model of a Habitat home in Energy 10
– 2x4 vs 2x6 wall analysis
– Overhang analysis
Energy Efficiency - Energy 10
2x4 vs 2x6 Construction
0
0.2
0.4
0.6
0.8
$ /
ft²
fuel kWh Demand Total
ANNUAL ENERGY COSTBuilding 1 Building 2
0.2780.254
0.290 0.287
0.021 0.021
0.5890.562
Three Bedroom 1 / AutoBuild Shoebox
Energy Efficiency - Energy 10
2x4 vs 2x6 exterior wall results Annual Utility Costs
2x4 exterior wall $ 612
2x6 exterior wall $ 585
Annual Savings $ 27
Modification Cost $ 300
Energy Efficiency - Energy 10
1’ vs 2’ overhang
0
0.2
0.4
0.6
0.8
$ /
ft²
fuel kWh Demand Total
ANNUAL ENERGY COSTBuilding 1 Building 2
0.278 0.279 0.290 0.289
0.021 0.021
0.589 0.590
Three Bedroom 1 / AutoBuild Shoebox
Energy Efficiency - Energy 10
1’ vs 2’ Overhang results Annual Utility Costs
1’ Overhang $ 612
2’ Overhang $ 613
Annual Cost $ 1
Energy Efficiency - Energy 10
Energy Efficiency - Presentation Software
Presented by: Adam Stanczak An information package is being developed to incorporate the different forms of information that the team has created for Habitat for Humanity.
This package includes the standardized floor plans currently being developed, the construction and energy analysis results, and other information that has been gathered in previous projects.
Go !Go !
Project Integration: Incorporating the two projects
More economical and energy-efficient homes
Energy-10 Output
Construction costs Current blueprints
– Construction: walls, roof, window, insulation
– Air Infiltration
– Air Conditioning
Output of utility savings versus original costs for different design changes
May 1999 Deliverables
Book of 8-10 standardized blueprints
Background image prepared by the Computer Graphics Dept., Purdue University
Floor PlansEnergy Efficiency
0
25
50
75
100
125
kBtu
/ ft²
Heating Cooling Lights Other Total
ANNUAL ENERGY USEBuilding 1 Building 2
72.6
54.3
0 03.0 3.0
20.4 20.1
95.9
77.4
Three Bedroom 1 / AutoBuild Shoebox
Information Package
Main Page
Home SelectionGuide
ConstructionGuide
3DViews
SimpleFloorPlans
Econo-mics
EnergyTips
Blue-prints
MaterialInventory
List
ConstructionTips
ConstructionCosts
MonthlyGas & Electric
Costs
Average Costto Own and Operate
(e.g., 10 years)
Team MembersTeam Members
Tim Wilson Brian Vosberg
Adam Stanczak Kevin Miller
John Wiley Michelle Tozer
Doug Crook Megan Moloney
Asli Kumcu
Energy Efficiency Members
Standardized Blueprint Members
Team Leaders: Michelle Tozer & John WileyMichelle Tozer & John Wiley
