the emphasis of the presentation should be on the status of the tasks and the accomplishments this...

Habitat for Humanity May 1999

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 Selection Guide Home Efficiency Options

Construction Guide

Include-Floor Plan-3D View-Cost of Living, 1yr

Plans1 - 2 Bedroom4 - 3 Bedroom1 - 4 Bedroom

Include

- Air Conditioning - Furnaces- Lighting- Window Awnings- Low-e Windows

Include

- Building materials list- Construction blueprints- Construction timeline- Construction / material recommendations

Energy Efficiency

Information Package

Floor Plans

Presented by: Brian Vosberg

Brian Vosberg

Kevin Miller

Michelle Tozer

Megan Moloney

Habitat for Humanity - Standardized Blueprint Team

Review Existing House Plans

Consultation of Keystone Architecture

Deliverable Decision

Work on Plans

Completion and Delivery

Semester Tasks


Blueprints - for 2, 3 & 4 Bedroom homes

Architectural

–Floor Plan

–Wall Section

–Elevation

Electrical



Electrical Blueprints

Tim Wilson

Doug Crook

Presented by: Doug Crook

Habitat for Humanity - Energy Efficiency Team

To find cost effective ways to improve the energy efficiency of Habitat homes

To calculate energy profiles of home designs developed by the Floor Plans Team for use in presentation by the Software Team

Create a model of a Habitat house within the Energy 10 software

Simulate the energy use of a home for a year

Make modifications to the base model and compare to current design

Compare energy savings to cost of design changes


Goal Approach

Energy 10 Inputs– Floor plan– Air infiltration model– Lighting profiles– Local utility costs– Shading– Insulation– Weather

Base Mode Simulation Results– 92,000 kBtu annual energy use

– $800 annual energy cost

– 60% due to heating

0

20

40

60

80

100

kBtu / ft²


ANNUAL ENERGY USEReference Case

55.9

7.64.7

20.3

88.5

HFH 3 bedroom / Base Model


Energy 10 /Base Model

2x4 vs. 2x6 exterior walls

1’ vs. 2’ overhangs

Central Air vs. Window air conditioning

Furnace Efficiency


Modifications of Base Model

0

0.1

0.2

0.3

0.4

$ / ft²

Int lights Ext lights Hot water Other Heating Cooling Fan

ANNUAL COST BREAKDOWNBase Model 2x6 Exterior

Walls

0.083 0.083

0.006 0.006

0.050 0.050

0.155 0.155

0.285

0.258

0.146 0.143

0.045 0.043

HFH 3 bedroom / 2x4 vs. 2x6 Exterior Walls


2 x 4 vs. 2 x 6

2x4 exterior wall $ 495

2x6 exterior wall $ 462

Annual Savings $ 33

Modification Cost (16 in. oc) $ 300

Modification Cost (24 in. oc) $ 240


Exterior Wall - Annual Utility Costs

0

0.1

0.2

0.3

0.4

$ / ft²


ANNUAL COST BREAKDOWNBase Model 2’ Overhangs

0.083 0.083

0.006 0.006

0.050 0.050

0.155 0.155

0.285 0.286

0.146 0.141

0.045 0.045

HFH 3 bedroom / 1’ vs. 2’ Overhangs


1’ x vs. 2’ overhang

1’ Overhang $ 448

2’ Overhang $ 444

Annual Savings $ 4

Modification costs are not considered, the

expense difference is minimal


Overhang -Annual Utility Costs

0

0.1

0.2

0.3

0.4

$ / ft²


ANNUAL COST BREAKDOWNBase ModelCase

90% EfficientCase

0.083 0.083

0.006 0.006

0.050 0.050

0.155 0.155

0.285

0.253

0.146 0.146

0.045 0.045

HFH 3 bedroom / 80% vs. 90% Efficient Furnace


Furnace Efficiency - 80 vs. 90%

80% Efficient Furnace $296

90% Efficient Furnace $263

Savings $ 33

Modification cost $400


Furnace Efficiency - Annual Utility Costs

0

0.1

0.2

0.3

0.4

$ / ft²


ANNUAL COST BREAKDOWNBase Model Central air

0.083 0.083

0.006 0.006

0.050 0.050

0.155 0.155

0.285 0.285

0.146

0.108

0.045 0.045

HFH 3 bedroom / Window vs. Central A/C


Window A/C vs. Central A/C

Window Air $151

Central Air $112

Annual Savings $ 39

Modification Costs $470


Air Conditioner - Annual Utility Costs

2x6 walls

2’ overhangs

90% efficient furnace

Central air conditioning


Recommendations

Future modifications

– Setback / setup of HVAC system

– Solar absorption of exterior walls

– Window area / window type

– Any other suggestions made by Doug Taylor,

Habitat for Humanity, or the EPICS team


Future / Transition

Adam Stanczak

Asli Kumcu

John Wiley

Presented by: John Wiley

Habitat for Humanity - Habitat Information Software

Home Selection Guide

Home Efficiency Options

Construction Guide


Project Tasks

Our goal is to aid potential homeowners in

the selection of a new home

– Floor plans: Basic 2, 3, and 4 bedroom

– Outside View: Elevation

– Cost Analysis: utility costs for living in the house for one year.

The Guide will include



Enter GuideEnter Guide

Technical Progress:

1 - 2 bedroom house4 - 3 bedroom houses1 - 4 bedroom house

– Floor Plans and Outside View

– Cost Analysis1 - 3 bedroom house



Deliverable date

December 1999

Future Activities

- Convert orthographic views to an isometric rendering

- Enter economic analyses based on Energy-10



Our goal is to present energy efficiency options to potential homeowners

– High Efficiency Furnaces

– Air Conditioning Options

– Fluorescent Lighting

– Window Awnings

– Low E Windows

This segment will include information about



Enter Energy OptionsEnter Energy Options



Technical Progress:– Fluorescent Lighting Information

– Window Awnings

– Furnace Comparisons

–Air Conditioning Information

Deliverable date

December 1999

Future Activities

- Acquire and input additional information on most categories

- Enter economic analyses for each home design on each modification, show the savings/expense of the option



Our goal is to provide a guide with data important to the construction supervisors

– Building Materials List

– Construction Quality Blueprints

– Building Construction Timeline

– Cost Analyses

– Construction Tips Brochures

This segment will include


Construction Guide

Construction GuideConstruction Guide


Construction Guide

Technical Progress:

– Construction Tips Brochures, Fall 1998 team

Deliverable date

December 1999

Future Activities

- Acquire and input information on all categories


Construction Guide

More economical and energy-efficient homes

Energy-10 Output

Construction Costs

Building Timelines

Current Blueprints


Project Integration: Information Display Package

– Construction: walls, roof, window, insulation

– Air Infiltration

– Air Conditioning

Output of utility savings versus original costs for different design changes

Book of 6 standardized blueprints

Habitat for Humanity -

May 1999 Deliverables

0

25

50

75

100

125

kBtu

/ ft²


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

Energy Efficiency

Information Package

Floor Plans

Main Page

Home Selection Guide Home Efficiency Options

Construction Guide

Include-Floor Plan-3D View-Cost of Living, 1yr

Plans1 - 2 Bedroom4 - 3 Bedroom1 - 4 Bedroom

Include

- Air Conditioning - Furnaces- Lighting- Window Awnings- Low-e Windows

Include

- Building materials list- Construction blueprints- Construction timeline- Construction / material recommendations

Team MembersTeam Members

Energy Efficiency Members

Standardized Blueprint Members

Team Leaders: Michelle Tozer & John WileyMichelle Tozer & John Wiley

Information Display Package

Megan Moloney

Michelle Tozer

Brain Vosberg

Kevin Miller

John Wiley

Adam Stanczak

Asli Kumcu

Tim Wilson

Doug Crook

the emphasis of the presentation should be on the status of the tasks and the accomplishments this...

Documents

kbtu annual energy

annual energy cost60

annual savings

cost effective ways

bedroom 2x4

4952x6 exterior wall

2x6 exterior walls1

bedroom base model2x4