Producers of certified passive house

windows were invited to make an offer for the windows of a single

family home.

41 windows took part in the catego-

ries timber, timber-alu, alu and vinyl.

These offers were compared to each

other and to a “standard window”

according to German legal standard.

THE RESULT: Passive house windows are

profitable for building owners.

THE CHALLANGE

COMPONENT AWARD 2014

Photos: passivhaus-eco®

Hersteller zertifizierter Passivhaus-

Fenster waren eingeladen, ein Ange-bot für die Fenster eines Einfamilien-

hauses zu machen.

41 Fenster nahmen in den Katego-

rien Holz, Holz-Alu, Alu und PVC teil.

Die Angebote wurden untereinander

und mit einem “Standard-Fenster”

nach EnEV verglichen.

DAS ERGEBNIS:Passivhaus-Fenster sind

profitabel für Bauherren.

Living area: 155 m²Heating demand: 14 kWh/(m²a)PE-demand: 61 kWh/(m²a)Airtightness (n50): 0,2 1/hArchitects: passivhaus-eco

THE REFERENCE BUILDING

COMPONENT AWARD 2014

Photos: passivhaus-eco®

www.passivhausprojekte.de: ID 1200

REFERENCE WINDOWS

The competing windows were

compared to a “standard window” according to German legal standard

EnEV:

Die teilnehmenden Fenster wurden

untereinander und mit einem “Standard-Fenster” nach EnEV

verglichen.

Standard window I Standard-Fenster

Glazing I Glas: Double, lowE coated I 2-fach WärmeschutzUg: 1.2 W/(m²K), g: 0.60Uw, installed : 1,3 W/(m²K) (for a window size 1.23*1.48 m)

Prices (installed window, incl. VAT) I Preise (eingebautes Fenster inkl. MwSt)

Timber I Holz: 387 €/m²Timber-Aluminum I Holz-Alu: 449 €/m²PVC: 298 €/m²Aluminum I Aluminium: 449 €/m²

WINNERS: Timber-Aluminum (18 participants)

Prize , CompanyProductPrice [€/m²inst.w]

LCC savings [%]

Oil savings [l/m²]

1 Lorber I pro PHf.smartwin compact

451

24%

288

Price: Investment costs for reference building [€/m² ins. Window]. Life-Cycle Cost savings: compared to ref. case [%]. Oil savings: per m² window compared to ref. window (life-cycle 40 a)

1 Bieber I OPTIWINFUTURA

450

22%

246

2 Freisinger I OPTIWINAlu2Holz

452

20%

214

Photo: passivhaus-eco®

THE WINNERS: Timber (6 participants)

1 M SORANATURA OPTIMO XLT

384

23%

228

Price: Investment costs for ref. building [€/m² inst. window incl. VAT]. Life-Cycle Cost savings: compared to ref. case [%]. Oil savings: per m² window compared to ref. window (life-cycle 40 a)

1 Pfeffer FensterRPS396

22%

222

2 Freisinger I OPTIWINHolz2Holz

452

13%

201

Photo: passivhaus-eco®

Prize , CompanyProductPrice [€/m²inst.w]

LCC savings [%]

Oil savings [l/m²]

THE WINNERS: Aluminum (3 participants)

1 RAICOFRAME 90 WI

492

14%

185

Price: Investment costs for ref. building [€/m² inst. window incl. VAT]. Life-Cycle Cost savings: compared to ref. case [%]. Oil savings: per m² window compared to ref. window (life-cycle 40 a)

1 PURALeco90540

12%

230

Photo: passivhaus-eco®

Prize , CompanyProductPrice [€/m²inst.w]

LCC savings [%]

Oil savings [l/m²]

THE WINNERS: PVC (3 participants)

1 HilzingerVADB 550

224

37%

257

Price: Investment costs for ref. building [€/m² inst. window incl. VAT]. Life-Cycle Cost savings: compared to ref. case [%]. Oil savings: per m² window compared to ref. window (life-cycle 40 a)

Photo: passivhaus-eco®

Prize , CompanyProductPrice [€/m²inst.w]

LCC savings [%]

Oil savings [l/m²]

SPECIAL PRIZES

Price: Investment costs for ref. building [€/m² inst. window incl. VAT]. Life-Cycle Cost savings: compared to ref. case [%]. Oil savings: per m² window compared to ref. window (life-cycle 40 a)

Glazing, WiegandDWplus

543

12%

237

U-value, PazenENERsign arctis*

599

8%

276

Photo: passivhaus-eco®

Prize , CompanyProductPrice [€/m²inst.w]

LCC savings [%]

Oil savings [l/m²]

Passive house windows are profitable for buildiung owners

RESULTS: Savings to reference

Passivhaus-Fenster sind profitabel für Bauherren

-15%

-10%

-5%

0%

5%

10%

15%

20%

25%

30%

35%

40%

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

Hilzinger VADB 550: 1st Prize PVC

Lorber I pro Passivhausfenster smartwin compact: 1st Prize Timber-Alu

M Sora NATURA OPTIMO XLT: 1st Prize Timber

Pfeffer Fenster RPS: 1st Prize Timber

Freisinger I OPTIWIN Holz2Holz: 2nd Prize Timber

Bieber I OPTIWIN Futura: 1st Prize Timber-Alu

Freisinger I OPTIWIN Alu2Holz: 2nd Prize Timber-Alu

RAICO FRAME 90 WI: 1st Prize Aluminium

Pural eco90: 1st Prize Aluminium

Wiegand DWplus: Special prize Glazing

Pazen ENERsign arctis*: Special prize lowest heat losses

Av. saving (life-cycle): 13% = 4750 €. Av. invest (inst. window): 492 €/m²

PVC Timber-Alu Timber Aluminium Special Prize

Saving I Einsparung : ~ 160 €/a (12,5%)

RESULTS: Profits right from the start!

Standard window*Standardfenster

Passive House Window**Passivhausfenster

InvestmentInvestition

Annual rateJährliche Rate

~ 16.900 €

CreditKredit

2% real interest, 20 years

~ 1.030 €/a

Energy costsEnergiekosten

~ 250 €/a

~ 18.250 €

~ 1.120 €/a

~ 3 €/a

SumSumme ~ 1.280 €/a ~ 1.123 €/a

After 20 years I Nach 20 Jahren : 250 € - 3 € = 247 € (99%)

* Average over the standard windows of all categories.** Average over all winners exepted special prices.

-100

0

100

200

300

400

500

600

700

PV

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DB

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+

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TUR

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Tim

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Ref

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TUR

A

OP

TIM

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Pfe

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RP

S

Hol

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olz

Alu

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efer

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RA

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Investment (installed window) Energy costs (life-cycle, present value)

PVC Timber-Aluminum Timber Aluminum

Investment and energy costs I Investitions- und EnergiekostenNo energy costs for passive house windows I Keine Energiekosten für Passivhausfenster

RESULTS: The winners

RESULTS: The winners – CO 2 savings

0

100

200

300

400

500

600

700

800

VA

DB

550

+

smar

twin

com

pact

FU

TUR

A

Alu

2Ho

lz

NA

TUR

AO

PTI

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X

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Pfe

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RP

S

Hol

z2H

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RA

ICO

Fra

me

90 W

I

Pur

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kg C

O2-

eq/m

² w

indo

w

CO2-sayings rel. to ref. window [kg CO2-eq/m²window] (40a, natural gas)PVC

Timber- Aluminum Timber Aluminum

RESULTS: The winners – fuel savings

0

50

100

150

200

250

300

350

VA

DB

550

+

smar

twin

com

pact

FU

TUR

A

Alu

2Ho

lz

NA

TUR

AO

PTI

MO

X

LT

Pfe

ffer

RP

S

Hol

z2H

olz

RA

ICO

Fra

me

90 W

I

Pur

al e

co90

oil s

avin

g [li

ter

per

m²

win

dow

] (li

fe c

ycle

)

liter oil saving rel. to ref. window [l/m²window] (life cycle, 40a)PVCTimber-

Aluminum

Timber Aluminum

Vielen Dank für Ihre

Aufmerksamkeit

Passivhaus-Fenster: Komfort, Kosteneffizienz, Klimasc hutzPH windows: comfort, profit, environmental protecti on

Komfort

Kosten

The sole responsibility for the content of this presentation lies with the authors. It does not necessarily reflect the opinion of the European Union. Neither the EACI nor the European Commission are responsible for any use that may be made of the information contained therein.