Sustainability in an Elderly Familys Home

The Kulp Home ProjectBy Bill Baker, Sam Corey, Tom Sattman, and Dan StreeterTable of ContentsOpportunityOur HomeCriteriaIdeas and EvaluationSolutionsSummaryImprove It!!!Opportunity: Through new technology, we can make the current home more sustainableThe current home uses minimal energyAppliances are outdated and inefficient

Our Home

Mr. Ken and Mrs. Diane KulpMr. Kulp is a retired electrical engineer and disabled army veteranMrs. Kulp is a liberal arts major that worked for family stores while getting her degreeThey have both children and grandchildren that visit themWhat We FoundLittle water useLow-flow showerhead Low- flow toiletsDo the dishes by handHeat home mostly with electric space heatersWhen it is very cold, they use home heating oil to heat their homes to a comfortable levelThey wanted this heating system left alone

Energy UsageOutdated appliancesRefrigerator/ freezerIncandescent light bulbsWashing machineMany standby electronicsThree space heaters775 kwh per month

ConstraintsBudgetSize of homeowners propertyEasy mobilityWillingness of customer to accept new technologyDoesnt bother neighborsUnaffected by seasonal weather Building codesSpecificationsInitial cost less than $15,000Must yield savings within a few yearsDecrease electricity usageFast installationMinimal training or hassle requiredAesthetically pleasing to the customer and neighborsDoes not disturb the customers current way of life/ mobilityPossible UpgradesReplace appliancesRefrigerator/ freezerIncandescent light bulbsWashing machineInstall solar panelsLimit current energy usageSmart power stripProgrammable thermostat

Refrigerator/ FreezerRefrigerator/ freezerTheir refrigerator uses about 1150 kwh of electricity per year which costs $80.50A new 18.5 cubic foot Kenmore refrigerator freezer would cost $760 and only use 476 kwh which would cost about $32.32

Light Bulbs16 incandescent bulbs4 CFL bulbsLEDCFLIncandescentLight bulb projected lifespan50,000 hours10,000 hours1,200 hoursWatts per bulb (equiv. 60 watts)101460Cost per bulb$35.95 $3.95 $1.25 KWh of electricity used over 50,000 hours5007003000Cost of electricity (@ 0.10per KWh)$50 $70 $300 Bulbs needed for 50k hours of use1542Equivalent 50k hours bulb expense$35.95 $19.75 $52.50 Total cost for 50k hours$85.75 $89.75 $352.50 Washing MachineCurrent washing machine: 40 gallons per load + 40 more for rinse cycleNew Frigidaire FAFW3801: 11 gallons per load + rinse cycleMSRP of $599

Solar Panels24 panels on the roof of the houseAverage output with 5 hours of sunlight per day is 785 kwh per month30% rebate

Smart Power StripPhantom loads account for 7% of average electricityCost $30 apieceNeed 2-3 power strips to eliminate all phantom loads

Programmable ThermostatHave a manual thermostatWide price range$15 - $400Change temperature automatically based upon what time of day it is

Initial Evaluation MatrixInitial Idea EvaluationIdeasCriteriaSolar PanelsProgrammable ThermostatReplace Light BulbsReplace RefrigeratorReplace WasherSmart Power StripInitial Cost------Long Term Savings+0++++Sustainability++++++Easy Installation-+++++Easy Use+00000Eye Appeal+00+00Comfort000+00Total212422Rank373133ActionEvaluateThrow OutEvaluateEvaluateEvaluateEvaluateCriteria EvaluationPairwise ComparisonsCriteriaABCDEFGTotalPercentA1 1/4 1/62 4 7 7 21.4219.00%B4 1 1/34 5 7 7 28.3325.13%C6 3 1 5 6 8 8 37.0032.82%D 1/2 1/4 1/71 2 4 4 11.8910.55%E 1/4 1/5 1/6 1/21 3 3 8.127.20%F 1/7 1/7 1/8 1/4 1/31 1 2.992.66%G 1/7 1/7 1/8 1/4 1/31 1 2.992.66%Total112.75100.00%KeySymbolCriteriaAInitial CostBLong-Term SavingsCSustainabilityDEasy InstallationEEasy UseFEye AppealGComfortWeighted Evaluation MatrixWeighted ComparisonIdeasSolar PanelsReplace Light BulbsReplace RefrigeratorReplace WasherSmart Power StripCriteriaWeightRatingScoreRatingScoreRatingScoreRatingScoreRatingScoreInitial Cost19.00%10.1920.381.50.2851.50.28520.38Long Term Savings25.13%41.005241.005230.753941.005230.7539Eco-friendly32.82%51.64141.312830.984641.312830.9846Easy Installation10.55%30.316530.316540.42230.316540.422Easy Use7.20%30.21640.28840.28840.28840.288Eye Appeal2.66%30.07982.50.066530.079830.079830.0798Comfort2.66%2.50.06652.50.066530.079830.079830.0798Total100.00%3.5153.43552.89313.36712.9881Rank12534ActionUseUseUseUseUseSolutionsWe will replaceWashing machineLight bulbsRefrigeratorWe will installSolar panelsThree smart power strips

CostSolar Panels$6,426 Refrigerator$760 Washing Machine$600 LED Bulbs$576 Smart Power Strips$90 Cost of Upgrades$8,452 Cost Plus Overhead$11,833 Resource SavingsSolar Panels will generate about 9,420 kwh per yearFrigidaire FAFW3801 washer will save on average 50 gallons per loadLED Bulbs will save about 860 kwh per yearNew refrigerator freezer will save 674 kwh per yearSmart power strips will save about 550 kwh per year of their total energy billMonetary SavingsThe solar panels will generate an excess of about 2,200 kwh per yearIf we sell it back to the grid at 5 cents per kwh, the electricity company will have to pay them $110 per year

The New House

ConclusionWe spent $11,833 of the $15,000 budget We will be saving a lot of resourcesThey will be selling excess electricity back to West Penn PowerTheir house will increase in value

Referenceshttp://www.wholesalesolar.com/system/solaredge-24-astronergy-panel-gridtie-system.html http://michaelbluejay.com/electricity/refrigerators.html http://planetgreen.discovery.com/buying-guides/bottom-freezer-refrigerator.html http://eartheasy.com/live_led_bulbs_comparison.html http://www.csgnetwork.com/elecenergycalcs.html?kwh_used=0.07http://www.energystar.gov/index.cfm?c=most_efficient.me_clothes_washershttp://www.aspenenergyefficiency.comReferences cont.http://www.nest.com/wp-content/themes/nest/static/white_papers/efficiency-simulation-white-paper.pdf http://ecorenovator.org/er-project-house-testing-flow-shower-head/http://www.comfortzoneheaters.org/comfort-zone-electric-portable-space-heater-model-1500p-review.htmlhttp://kashisawesome.info/?p=10http://mybestrefrigeratorreviews.com/tag/refrigeratorfreezer/http://science.howstuffworks.com/environmental/green-tech/sustainable/smart-power-strip.htmQuestions?