final: 2nd presentation

8/14/2019 Final: 2nd Presentation

1/13

:CE 4188 Senior Design I:CE 4188 Senior Design I :Topic Energy and Cost

Analysis forEnvironmentally Friendly

Home Upgrades

: .Advisor Dr Vivek Tandon

Members Jackie Villegas Adam Duran Michael Steward

.Courtesy of finehomebuilding com


2/13

Insulation CostsInsulation Costs ata from

.prayfoamdirect com -$1500 tax credit - %US DOE states 40 can be saved by

sealing .air leaks and improving insulation - , ,Product is mold moisture and pest

.resistant

-Analyzed different thickness of spray,foam estimating double the amount of floor

square . (footage for wall square footage Used

value . .)of 5000 s f - - ,1 gives an r value of 7 which is twice

the - .r value per inch of fiberglass - , For cost effectiveness 1 of spray foam

will ,be used to seal air leaks the rest filled

with .typical fiberglass insulation - ,Cost for spray foam is $5700 and payback ,period is 142 months cost of batting

insulation is ,$1615 and sheetrock estimate is $2000

.with labor . ,Total is $9315 Payback period at $550

savings per


3/13

Solar Panel CostsSolar Panel Costs -$1500 tax credit - .Avg electricity usage is 888 kWh per

month. - . . , With 5 5 hrs avg daily sunlight wattage required to be completely off grid is

7000 , -watts which would require 54 130 watt .panels - - , ,Price for on grid system would be $25 480 .with a payback period of 19 years -For stated goal of on grid usage of 388

kWh

, ,per month leaving 500 kWh for solar .requirement is now 3000 watts - , Price is now $11271 that s $715 savings

per

, . .year with a payback period of 13 67 years -These panels also include a 12 VDC output .for battery charging applications -A 12 V wind generator can produce 40 kWh , .per month at a cost of only $905


4/13

ax Incentives Assistanceax Incentives AssistanceProjectroject Homeowners can receive

Residential Energy Efficiency%Incentives worth 30 of the

, ,cost with a $1 500 cap per.home The tax credit is only

on the cost of the materials

:for nsulation and Sealing ,eplacement Windows

,kylights andxternal Doors

indow Films Roofs

:// . . / . = . #http www energystar gov index cfm?c tax_credits tx_index s1


5/13

-Low e Windows-Low e Windows -High performance windows

have at least twopanes of glass and a

- ( )low e low emissivity.coating

Allow light to pass,through but reflect

.back radiant heat /Cut heating cooling cost

% %.by 10 to 15


6/13

RoofsRoofs Adding a roof with

reflective coating- %can save 10 15 in

cooling costs % ,30 tax credit up,to $1500 on energy

efficient asphalt& metal roofs

.Greenbuildingenergysavings com


7/13

DuctsDucts Leaky or improperly

insulated ducts canlead to energy

- %losses of 25 40

.Consumerenergycenter org


8/13

DoorsDoors Properly sealed doors

%can save up to 11on energy costs

Federal tax credit of

% (30 of cost up to)$1500 forinstallation of

energy efficientdoors


9/13

Furnaces

55% 60% 65% 70% 75% 80% 85% 90% 95%

50% $9.09 $16.76 $23.07 $28.57 $33.33 $37.50 $41.24 $44.24 $47.36

55% ---- $8.33 $15.38 $21.42 $26.66 $31.20 $35.29 $38.88 $42.10

60% ---- ---- $7.69 $14.28 $20.00 $25.00 $29.41 $33.33 $37.80

65% ---- ---- ---- $7.14 $13.33 $18.75 $23.52 $27.77 $31.57

70% ---- ---- ---- ---- $6.66 $12.50 $17.64 $22.22 $26.32

75%---- ---- ---- ---- ---- $6.50 $11.76 $16.66 $21.10

80% ---- ---- ---- ---- ---- ---- $5.88 $11.11 $15.80

85% ---- ---- ---- ---- ---- ---- ---- $5.55 $10.50

90% ---- ---- ---- ---- ---- ---- ---- ---- $5.30

Estimated Savings for Every $100 o f Fuel Cos ts by Increasing Your Heating Equipment Efficie

Existing

SystemAFUE

New/Upgraded System AFUE

*Assuming the same he at output

=AFUE annual fuel utilization efficiency

, ,Electric furnaces because they have no chimney have an AFUE of%- %95 100, ,Old furnaces have a continuous pilot light which wastes energy

.instead of an electric ignition


10/13

Water Conservation Water Conservation ( )El Paso Average Household 3 people

water usage

EPWU rate . / ($1 20 748 gallons 1st2992

)gallons . /$1 45 748 gallons , - ,average is about 14 000 15 000

/gallons month

Drip Irrigation System

Rainwater Collection System


11/13

Water Conservation Water Conservation Drip Irrigation

System Scheduled Watering times

%At mid day 30 can evaporate

Automatic Controller Uses evapotranspiration and

temperature to determine waterfor max plant growth

Can reduce total water usage%by 20

- /About 2800 3000 gallons month

Less expensive thanconventional sprinkler

system + *Initial cost Life span annual

= /maintenance cost year = /Conv $800 yr =Drip $300 yr

Rain Water Collection Location

Maintenance

/Roofing Gutter Clean roof

Slight slope Good Gutter system

Uses Not potable demands

Cost

Area Intended Collection + +Starting $1500 installation


12/13

Water Conservation Water Conservation

nergy star qualifiedappliances Washer Dishwasher

Water conserved comparison( )considering Drip in red with

%20 conserved


13/13

Any Questions?Any Questions?

final: 2nd presentation

Documents