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Habitat For Humanity. Matt Selvey. Web / Architectural Team Bill Cox Lisa Major Nick Henthorn David Koenig Keshav Prabhu. Energy Efficiency Team Donnie Austin Doug Crook Rosann Magnifico Brent Phillips Matt Selvey Brian Waller. Matt Selvey. HFH Members. Home Owners.

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Presentation Transcript
hfh members
Web / Architectural Team

Bill Cox

Lisa Major

Nick Henthorn

David Koenig

Keshav Prabhu

Energy Efficiency Team

Donnie Austin

Doug Crook

Rosann Magnifico

Brent Phillips

Matt Selvey

Brian Waller

Matt Selvey

HFH Members
slide3
Home Owners

Habitat for Humanity

Web/Arch Team

Energy Team

Energy Team

Matt Selvey

architecture web team
Bill Cox

Lisa Major

Nick Henthorn

David Koenig

Keshav Prabhu

Bill Cox

Architecture / Web Team
web team objectives
Bill CoxWeb Team Objectives
  • Increase access to team deliverables
  • Provide one location for all resources
  • Gather feedback from Habitat staff and volunteers to maximize effectiveness of the Web Project

http://epics.ecn.purdue.edu/hfh/web_project

go to web
Bill CoxGo to Web
  • Habitat Home Efficiency, Selection and Construction Online Resource

Enter Guide

http://epics.ecn.purdue.edu/hfh/web_project

architectural team objectives
Keshav PrabhuArchitectural Team Objectives
  • Materials list program
  • POS and database program
program attributes
Keshav PrabhuProgram Attributes
  • Capabilities
    • Many different styles of homes
    • Cost comparison between vendors
  • Limitations
    • Electrical, plumbing, and HVAC
materials list output
Keshav PrabhuMaterials List Output
  • Sections
    • Quantity buy
    • Quantity O/H (out of house)
    • Material description
    • Piece cost
    • Total cost
inventory pos and database
Keshav Prabhu

Edit Donor Information

Edit Store Stock

Resale Store Volunteer

Ring Up Customer

Inventory POS and Database
  • Purpose
    • Track inventory in the Habitat resale store
    • Track material donors
    • Provide user with point-of-sale terminal functionality
  • Status
    • Gathering requirements
    • Creating tables in database
resale store pos and database
Keshav PrabhuResale Store POS and Database
  • Resale store sells donated building materials not used by Habitat
  • Inventory tracking and cash register system is required
  • System must be intuitive so volunteers can be quickly trained
pos and database overview
Keshav PrabhuPOS and Database Overview
  • Keep track of donated materials
    • Donor name
    • Item donated
    • Quantity
    • Cost estimation
  • PC used to run database and cash register applications
    • Cash register application will modify database and track sales
    • Handheld barcode reader
    • Label printer
energy team
Donnie Austin

Doug Crook

Matt Selvey

Brian Waller

Rosann Magnifico

Brent Phillips

Doug Crook

Energy Team
energy team objectives
Doug CrookEnergy Team Objectives
  • Five basic analyses were performed to reduce energy costs:
    • Cellulose vs. Fiberglass
    • Caulking wall joints
    • Attic fan
    • Window film
    • Future cost
cellulose vs fiberglass
Assumptions

R-values

Cellulose: 38-40

Fiberglass: 31

Costs

Cellulose: $0.43 (labor + material)

Fiberglass: $0.41 (material)

Payback period

Approximately 1.5 years

Doug Crook

Cellulose vs. Fiberglass
caulking wall joints
Assumptions

Reduces air infiltration by 15%

Infiltration through walls accounts for 20% of total infiltration

No reduction in R-value of insulation

$30 to caulk a house

Results

Average Savings = $10.27

Doug Crook

Caulking Wall Joints
attic fan analysis
Assumptions

Flat roof (no tilt), no solar absorption

Ambient temperature

Results

Reduction of air conditioning energy costs = $14.50

Operating cost = $30

Modification not recommended

Doug Crook

Attic Fan Analysis
window film analysis
U-Value = 0.45 Btu/hr-ft2-F

U-Value dependent upon distance between window and film

Simulated from Nov 1 to March 1

$8.97 per roll of film

Average of $27 per home (3 rolls)

Reoccurring cost each year

Doug Crook

Window Film Analysis

Information provided by ASHRAE Handbooks, Manco Consumer Hotline 800-321-0253 and www.3M.com

future cost analysis
Doug CrookFuture Cost Analysis:

Natural gas price outlook: .2% cost decrease per year

Electricity price outlook: .5% cost decrease per year

Electricity consumption outlook: 1.1% increase per year

Source of information:

www.eia.doe.gov linked from www.energy.gov

future cost analysis1
Doug CrookFuture Cost Analysis:

Typical Habitat for Humanity house showing total analysis (both electrical and natural gas combined) for current and future energy costs.

habitat for humanity1
Habitat for Humanity
  • Web Team
    • Home Selection guide
    • Home Construction guide
    • Home Efficiency Options
  • Architectural Team
    • Plans added to Floor Plan Selection Guide
    • Material lists program
  • Energy Team
    • Recommended Efficiency options:
      • Caulking Wall Joints
      • Cellulose Insulation
future plans
Rosann MagnificoFuture Plans
  • Web team
    • Upgrade deliverables
    • Feedback
    • Link to Habitat’s web site
  • Architectural team
    • Home plans
    • POS database
  • Energy team
    • Efficiency options
    • National involvement
habitat for humanity2

Habitat For Humanity

Rosann Magnifico

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