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Southwest Energy Efficiency Project

Armory Park del SolAn Energy Efficient Development

John Wesley MillerJohn Wesley Miller Companies

Armory Park del SolAn Energy Efficient Development

John Wesley MillerJohn Wesley Miller Companies

May 7, 2008

www.johnwesleymillercompanies.com www.armoryparkdelsol.com

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Solar Energy Homes in Downtown TucsonAn Award-Winning Community!

AARP/NAHB Livable Communities Award 2007Governor Napolitano’s Arizona Innovation Award, 2007

Tucson Mayor Bob Walkup's Certificate of Appreciation & Recognition 2007Cottage Living Magazine, Top 10 Cottage Neighborhoods, 2007Arizona Foothills Magazine, Best Places to Live, 2007Metropolitan Pima Alliance Common Ground Award, 2006Sonoran Institute Livable Community Award, 2005NAHB Builder of the Year Award Winner, 2005SAHBA Builder of the Year, 2003City of Tucson’s Most Energy Efficient Builder, 2003

AARP/NAHB Livable Communities Award 2007Governor Napolitano’s Arizona Innovation Award, 2007

Tucson Mayor Bob Walkup's Certificate of Appreciation & Recognition 2007Cottage Living Magazine, Top 10 Cottage Neighborhoods, 2007Arizona Foothills Magazine, Best Places to Live, 2007Metropolitan Pima Alliance Common Ground Award, 2006Sonoran Institute Livable Community Award, 2005NAHB Builder of the Year Award Winner, 2005SAHBA Builder of the Year, 2003City of Tucson’s Most Energy Efficient Builder, 2003

Armory Park del Sol is located in downtown Tucson and derives its architectural inspiration from the surrounding nationally designated

historic neighborhood of Armory Park.2

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Armory Park del SolWhere Historic Meets High Tech

14 (13.8) acre subdivision Purchased land in 1999Urban infill in downtown

Tucson Single-family, solar homes 99 lotsConstruction began in 2000 Same density as surrounding

Armory Park neighborhoodHistoric Armory Park/

Armory Park del SolDesigns blend with area

traditionNeighborhood has embraced

project Local property values much

higher

14 (13.8) acre subdivision Purchased land in 1999Urban infill in downtown

Tucson Single-family, solar homes 99 lotsConstruction began in 2000 Same density as surrounding

Armory Park neighborhoodHistoric Armory Park/

Armory Park del SolDesigns blend with area

traditionNeighborhood has embraced

project Local property values much

higher

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Armory Park del Sol

Urban in-fill Former site of Southern Pacific RR executive homes Utilization of existing infrastructure

Downtown Tucson Rio Nuevo Project- revitalizing downtown Walking distance to downtown, University of Arizona Walking distance to cultural activities, arts & music

Tucson Convention Center Theatre, Symphony, concerts Artist galleries Museums

Urban in-fill Former site of Southern Pacific RR executive homes Utilization of existing infrastructure

Downtown Tucson Rio Nuevo Project- revitalizing downtown Walking distance to downtown, University of Arizona Walking distance to cultural activities, arts & music

Tucson Convention Center Theatre, Symphony, concerts Artist galleries Museums

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Armory Park del Sol

Single family homes New technology/construction methods blended with

traditional southwestern exterior design Termite-proof metal framing Concrete construction – thermal mass regulates

interior temperatures Significant energy savings

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Armory Park del Sol Award-winning energy efficiency

construction Thermal mass wall – exterior insulation Insulation through slab edge Raised heel truss, R-38 ceiling Dual-pane, Low E & low solar heat gain windows Ducts in conditioned space Minimum 14 SEER heat pump HVAC system design using Manual J Optimized (reduced) duct runs Return air pathway from each room Passive ventilation system

Award-winning energy efficiency construction Thermal mass wall – exterior insulation Insulation through slab edge Raised heel truss, R-38 ceiling Dual-pane, Low E & low solar heat gain windows Ducts in conditioned space Minimum 14 SEER heat pump HVAC system design using Manual J Optimized (reduced) duct runs Return air pathway from each room Passive ventilation system

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Armory Park del Sol Solar system

1.5 kW Photovoltaic (PV) system minimum Garage roof mount (parapet wall) Utility approved components & systems; annual utility

inspection System meets TEP SunShare requirements (ACC

approved) Compliance

IEEE National Electric Code TEP Service Requirements Book

Solar system 1.5 kW Photovoltaic (PV) system minimum Garage roof mount (parapet wall) Utility approved components & systems; annual utility

inspection System meets TEP SunShare requirements (ACC

approved) Compliance

IEEE National Electric Code TEP Service Requirements Book

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Armory Park del Sol Features

Universal Design Step free homes and community Extra-wide hallways Three foot wide door openings Hard surface flooring Bathroom grab bars Roll-in and walk-in showers Dual shower heads with slide bar 6 foot wide sidewalks Extra-wide patio access gates

Information age design Minimum 3 telecom ports Digital satellite service CAT5e wiring, pre-wired for fiber optics

Security system Central vacuum

Features Universal Design

Step free homes and community Extra-wide hallways Three foot wide door openings Hard surface flooring Bathroom grab bars Roll-in and walk-in showers Dual shower heads with slide bar 6 foot wide sidewalks Extra-wide patio access gates

Information age design Minimum 3 telecom ports Digital satellite service CAT5e wiring, pre-wired for fiber optics

Security system Central vacuum

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Armory Park del Sol Utility collaboration

Tucson Electric Power 5 year A/C guarantee TEP inspects each home during construction Guarantee qualifies Armory Park del Sol for reduced

residential utility rates Guarantees heating & cooling portion of annual bill

State & federal tax credits Homeowner qualifies for TEP cash rebates Output offsets highest Time-of-Use rate TEP inspects solar electric system annually City permit fee credit up to $1,000

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Armory Park del Sol

Tucson ZEH at Armory Park del SolMonthly Total Energy Use and Cost

-400

-200

0

200

400

600

800

1,000

1,200

1,400

1,600

1,800

Oct

-03

Nov

-03

Dec

-03

Jan-

04Fe

b-04

Mar

-04

Apr

-04

May

-04

Jun-

04Ju

l-04

Aug

-04

Sep

-04

Oct

-04

Nov

-04

Dec

-04

Jan-

05Fe

b-05

Mar

-05

Apr

-05

May

-05

Jun-

05Ju

l-05

Aug

-05

Sep

-05

Oct

-05

Nov

-05

Dec

-05

Jan-

06Fe

b-06

Mar

-06

Apr

-06

May

-06

Jun-

06Ju

l-06

Aug

-06

Ele

ctri

c E

nerg

y, k

Wh;

Sol

ar In

sola

tion,

kW

h/m

2

(+ v

alue

s =

Hou

se U

se; -

Val

ues

= U

tility

Fee

dbac

k)

-$20

-$10

$0

$10

$20

$30

$40

$50

$60

$70

$80

$90

Mon

thly

Ene

rgy

Cos

t

Energy Cost Utility Supply PV Supply PV Insolation

Values less than zero indicate sell-back to the utility

Modifications to solar thermal system complete

Net Zero Energy Home 1 Now averaging about $10/mo for all household energy (including $5.28 monthly base fee) Average 23 kWh/day Total Average Energy Use

Tucson ZEH at Armory Park del SolMonthly Total Energy Use and Cost

-400

-200

0

200

400

600

800

1,000

1,200

1,400

1,600

1,800

Oct

-03

Nov

-03

Dec

-03

Jan-

04Fe

b-04

Mar

-04

Apr

-04

May

-04

Jun-

04Ju

l-04

Aug

-04

Sep

-04

Oct

-04

Nov

-04

Dec

-04

Jan-

05Fe

b-05

Mar

-05

Apr

-05

May

-05

Jun-

05Ju

l-05

Aug

-05

Sep

-05

Oct

-05

Nov

-05

Dec

-05

Jan-

06Fe

b-06

Mar

-06

Apr

-06

May

-06

Jun-

06Ju

l-06

Aug

-06

Ele

ctri

c E

nerg

y, k

Wh;

Sol

ar In

sola

tion,

kW

h/m

2

(+ v

alue

s =

Hou

se U

se; -

Val

ues

= U

tility

Fee

dbac

k)

-$20

-$10

$0

$10

$20

$30

$40

$50

$60

$70

$80

$90

Mon

thly

Ene

rgy

Cos

t

Energy Cost Utility Supply PV Supply PV Insolation

Values less than zero indicate sell-back to the utility

Modifications to solar thermal system complete

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Net Zero Energy Home 2 - Utility savings PV system cost benefit offsets utility-supplied energy

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APdS Homes Average APdS home is predicted to use less than half the energy of a typical regional home

Net ZEH2 is currently producing more energy than it is consuming

Armory Park del Sol

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$734

$-?

NET ZEH2

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John Wesley MillerCompanies

McLellan Building Remodel of older, energy-inefficient building into a high

tech, solar, green building To be a part of downtown revitalization

NAHB Green Building Standards Consensus Committee To develop and publish ANSI-approved standard on

residential green building in collaboration with International Codes Committee (ICC)

McLellan Building Remodel of older, energy-inefficient building into a high

tech, solar, green building To be a part of downtown revitalization

NAHB Green Building Standards Consensus Committee To develop and publish ANSI-approved standard on

residential green building in collaboration with International Codes Committee (ICC)

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