Passive House Northwest

Transcription

1 Passive House Northwest AIA CEU Provider Passive House Case Studies: Roy Passivhaus, Owl Haven Passive, and View Haus 5 AIA Course # phnw087 Various March 27, 2015

2 Owl Haven Passive

3 Owl Haven Passive House Who Am I?

4 Owl Haven Passive House Owner Ken Dickey

5 th Coming From 20 Cent Ideal

6 th Coming From 20 Cent Ideal

7 th Coming From 20 Cent Ideal

8 th Coming From 20 Cent Ideal

9 th Coming From 20 Cent Ideal

10 Build a Passive House? Large Risks Don't See What You Are Buying [vs built] Not the Obvious thing to do [Not Bandwagon] Not an Investment [$] Not Low Stress

11 Build a Passive House? Large Risks Don't See What You Are Buying [vs built] Not the Obvious thing to do [Not Bandwagon] Not an Investment [$] Not Low Stress Not a Rational Decision!

12 st 21 Century Ideal Low Carbon Lifestyle Walk in Beauty Sustainability Ethic Downsize & Simplify Character a Home, not a Building Simple Elegance Align Actions with Values

13 Get Off Carbon

14 st 21 Century Ideal Low Carbon Lifestyle

15 st 21 Century Ideal Low Carbon Lifestyle

16 Owl Haven Passive Location: Whidbey Island Topology: single level for couple [1 bedrm, 1 toilet!] PH Floor Area: Design: Robert Moore, Architect Build: Richard Epstein, Inc. Owners: Ken & Ellen Dickey 1719 sq ft

17 Owl Haven Passive Air Seal; CDF; 14 EPS; Slab-on-grade Foundation: Wall: 2x6 Stud; 7 Cork; Rain Screen; Cement Board Roof: 34 + Blown in Fiberglass; Metal Roof Windows: Ventilation: Supplemental Heat: Lighting: LED Air Seal: StegoWrap / PROSOCO >> 0.45 ACH50 [Wired for PV on S facing garage] Intus triple glazed Zehnder CA 200 HRV [92% efficient] radiant cove electric [99+% efficient]

18 Build Site

19 Build Site

20 Floor Plan

21 Floor Plan

22 As Realized

23 As Realized

24 Foundation

25 Foundation

26 Wall System

27 Wall System

28 Wall System

29 Wall System

30 Wall System

31 Wall System

32 Amorim ThermaCork Not a tree, but a house coated in 7 of tree bark Low embodied energy (boiler burns cork dust) Sequesters large amount of carbon Bugs hate it; Waterproof; R4-inch; Quiet! Nothing added no fire retardants; non-toxic Harvested sustainably since Roman times Cork Forrest own ecology niche; rare species

33 Wall System

34 Wall System

35 Wall System

36 Air Barrier

37 Air Sealing Detail

38 Drop Ceiling / Race

39 Drop Ceiling / Race

40 Drop Ceiling / Race

41 Drop Ceiling / Race

42 Drop Ceiling / Race

43 Drop Ceiling / Race

44 Minimize Air Seal Penetrations Ceiling Unified Plumbing Vent Slab Water In, Septic Out Walls HRV Supply & Exhaust DHW Pressure Relief + HRV Condensation Drain Electrical Cables [2 pipes; SubPanel inside air seal] Windows [ many! ]

45 Drop Ceiling / Race

46 Drop Ceiling / Race

47 Drop Ceiling / Race

48 Drop Ceiling / Race

49 Wall Sconces

50 Breezeway

51 Breezeway

52 Breezeway

53 Lessons Prefer Poly Air Seal above CDF below EPS Layered Wall System Labor Inten$ive Would have liked Cork SIPs Not cheap: $ 230 / sq ft, but we love it! You will make mistakes somewhere If you don't require perfection, your life can be perfect!

54 It takes a village to raise a house

55 Owl Haven Passive Q & A

56 Owl Haven Passive

57 Owl Haven Passive

58 Owl Haven Passive

59 Owl Haven Passive

60 Owl Haven Passive

61 Owl Haven Passive

62 Owl Haven Passive

63 Owl Haven Passive

64 Owl Haven Passive

65 Owl Haven Passive

66 Owl Haven Passive

67 Owl Haven Passive

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69 Passive House Northwest AIA CEU Provider Passive House Case Studies: Roy Passivhaus, Owl Haven Passive, and View Haus 5 AIA Course # phnw087 Various March 27, 2015

70 Credit(s) earned on completion of this course will be reported to AIA CES for AIA members. Certificates of Completion for both AIA members and non-aia members are available upon request. This course is registered with AIA CES for continuing professional education. As such, it does not include content that may be deemed or construed to be an approval or endorsement by the AIA of any material of construction or any method or manner of handling, using, distributing, or dealing in any material or product. Questions related to specific materials, methods, and services will be addressed at the conclusion of this presentation.

71 Copyright Materials This presentation is protected by US and International Copyright laws. Reproduction, distribution, display and use of the presentation without written permission of the speaker is prohibited. George Ostrow et al

72 Course Description A comprehensive look into three projects utilizing green building science in the Pacific Northwest. Two single family residences and one town home project, each demonstrating distinctive high performance, Passive House standards.

73 Learning Objectives At the end of the this course, participants will be able to: 1. Participants will be able to summarize energy efficiency, ventilation, design, and construction criteria for the Passive house standard; 2. Participants will be able to identify technical challenges of applying passive house design principles to both single-family residential and multi-family housing; 3. Participants will be able to identify key cost premiums and constructability challenges; 4. Attendees will be able to apply lessons learned to reduce future costs and barriers to adoption for this aggressive energy efficiency standard.

74 This concludes The American Institute of Architects Continuing Education Systems Course Passive House Northwest