Passive House, U of M 2011

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This is the slideshow I gave in April 2011 at the University of Minnesota to architecture students. …

This is the slideshow I gave in April 2011 at the University of Minnesota to architecture students.

The slideshow contains a lot of full-screen images but no subtitles, therefore omitting some of the information which would have been given verbally during the presentation.

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Transcript

  • 1. Hello!
  • 2. Tim Delhey Eian
  • 3. TE Studio holistic design for sustainable homes STUDIO: 3429 Benjamin St. NE Minneapolis, MN 55418 612-246-4670 testudio.com CERTIFIED PASSIVE HOUSE™ CONSULTANT
  • 4. The Passive House Building Energy Standard by Tim Delhey Eian, Certified Passive House™ Consultant
  • 5. TM
  • 6. TM Overview Context & Definition Motivation History Basics Benefits Delivery
  • 7. Context & Definition
  • 8. form TMfunctiondurabilityenergycostqualityresourcesoperation Standard Practicesitecontext baseline
  • 9. form TMfunctiondurabilityenergycostqualityresources the baroperationsite Sustainable Holistic Designcontext performance baseline
  • 10. form TM TMfunction TMhealth TMenergy TMcost TMquality TMresources TMoperation TMsite Architects need tools! TMcontext TM performance baseline
  • 11. Certified Passive House™ TM“A rigorous, voluntary building energy standardfocusing on highest energy efficiency and quality of lifeat low operating cost.”The Passive House Standard is the most rigorous building energy standard in the world. Consultants, projects or building components that have obtainedthe right to carry the logo have committed themselves to design excellence and the Passive House energy performance criteria.
  • 12. TM It’s a tool!
  • 13. Motivation
  • 14. TM Economy $
  • 15. TM Resources & Economy Source: dreamstime.com
  • 16. TM Efficiency Source: VW
  • 17. TM Opportunity
  • 18. TM End Game Source: Blu
  • 19. History
  • 20. TM Early warning signs
  • 21. TM First responders Illinois Lo-Cal House, 1974 Source: The Small Homes Council at the University of Illinois
  • 22. TM Common sense
  • 23. TM Early adopters Saskatchewan Conservation House Saskatoon, Canada in 1978
  • 24. TM Been there, done that.
  • 25. TM Passive ≠ PassivePASSIVE SOLAR DESIGN PASSIVE HOUSEdesign concept certified standard“unlimited” energy limited energy (gas-mileage)passive solar heat gains passive solar & internal heat gainsshading devices shading devices and glazingthermal mass, absorption, release capture, insulate, retain
  • 26. TM Germany Dr. Wolfgang Feist Germany
  • 27. TM Architype1990 1996: PHI - Passivhaus Institut Source: Passiv Haus Institut
  • 28. TM Europe
  • 29. TM United StatesSmith House - Urbana, IL - 2003 - e-colab (first built in the U.S.) - Zonee-colab Source: 3
  • 30. TM United States Source: Stephan Tanner
  • 31. TM United States Katrin Klingenberg Passive House Institute U.S. - 2008
  • 32. TM Beyond Passive House
  • 33. TM Pedigree 2011: 20a, 25k[PH]
  • 34. The Basics
  • 35. TM Concept Conservation first Minimize losses Maximize gains
  • 36. Architect: Tim Eian/TE Studio, Ltd. Street: 3429 Benjamin St. NETM Postcode/City: Mechanical System: Setting the bar Minneapolis, MN 55418 TE Studio, Ltd. Street: 3429 Benjamin St. NE Postcode/City: Minneapolis, MN 55418 Year of Construction: 2009 0.17 A/V Ratio: Number of Dwelling Units: 1 Interior Temperature: 20.0 °C Enclosed Volume Ve: 916.8 m3 Internal Heat Gains: 2.1 W/m2 Number of Occupants: 2.0 Specific Demands with Reference to the Treated Floor Area Treated Floor Area: 153.1 m2 Applied: Annual Method PH Certificate: Fulfilled? Specific Space Heat Demand: 14 kWh/(m2 a) 15 kWh/(m2 a) Yes Annual Heat Demand QH 2208 kWh/a Pressurization Test Result: 0.6 h-1 0.6 h-1 Yes Specific Primary Energy Demand (DHW, Heating, Cooling, Auxiliary and Household Electricity) : 73 kWh/(m2 a) 120 kWh/(m2a) Yes Specific Primary Energy Demand (DHW, Heating and Auxiliary Electricity) : 48 kWh/(m2 a) Specific Primary Energy Demand Energy Conservation by Solar Electricity: 74 kWh/(m2 a) Heating Load: 20 W/m2 Heating Load PH 3111 W Frequency of Overheating: 2 % over 25 °C Specific Useful Cooling Energy Demand: 1 kWh/(m2 a) 15 kWh/(m2a) Yes Cooling Load: 7 W/m2 We confirm that the values given herein have been Issued on: determined following the PHPP methodology and based on the characteristic values of the building. The calculations signed: with PHPP are attached to this application.
  • 37. TM Metric vs. PrescriptiveEnergy per square foot and year gas mileage for buildings
  • 38. TM Space conditioning limit ≤ 4.75 kBtu/(sf a) ≤ 15kWh/(m2 a) total energy used to heat or cool a building
  • 39. TM Source energy limit ≤ 38 kBtu/(sf a) ≤ 120kWh/(m2 a) all energy consumed; accounted for at the source
  • 40. TM Air tightness limit ≤0.6 ACH50 measured with blower door in the field
  • 41. TM Predictable outcome - Measurable results
  • 42. TM Passive House (pas′iv-ho̵us) 25-125 4.756 kBtu/(sf a) kBtu/(sf a) active passive average existing building Passive House 85 - 450 kWh/(m2 a) 15kWh/(m2 a) Source: Krapmeier & Drössler 2001
  • 43. TM Global standard think globally, build locally
  • 44. TM Global adoption
  • 45. TM EU code
  • 46. Benefits
  • 47. TM Economy Capitalized costs in Euro Elimination of traditional heating system Ultra low-energy building Low-energy building Passive House Space-Conditioning Energy in kWh/(m2 a) “Gas-Mileage for Buildings”Source: Krapmeier & Drössler 2001
  • 48. TM Efficiencyup to 90% reduction in space-conditioning energy consumption*up to 75% reduction in source-energy consumption*Source: Krapmeier & Drössler 2001 *) compared to standard-practice code-compliant construction
  • 49. TM Environment
  • 50. TM Comfort
  • 51. TM Health
  • 52. TM Quality construction
  • 53. TM Sustainability deliveredTo accomplish this, Architecture 2030 has issued The 2030 Challenge asking the globalarchitecture and building community to adopt the following targets: • All new buildings, developments and major renovations shall be designed to meet a fossil fuel, GHG-emitting, energy consumption performance standard of 50% of the regional (or country) average for that building type. • At a minimum, an equal amount of existing building area shall be renovated annually to meet a fossil fuel, GHG-emitting, energy consumption performance standard of 50% of the regional (or country) average for that building type. • The fossil fuel reduction standard for all new buildings shall be increased to: • 60% in 2010 • 70% in 2015 • 80% in 2020 • 90% in 2025 • Carbon-neutral in 2030 (using no fossil fuel GHG emitting energy to operate).“These targets may be accomplished by implementinginnovative sustainable design strategies, generating on-siterenewable power and/or purchasing (20% maximum)renewable energy and/or certified renewable energy credits.” Source: architecture2030.com
  • 54. TM Zero and beyondHERS INDEX Z LEED Passive House Net Energy Positive Carbon Neutral (operation) Carbon Neutral (everything)
  • 55. Delivery
  • 56. TM Paradigm shifts • Leapfrog • Incrementalism • System • Component • Integrated design • “Design in a vacuum”
  • 57. TM Schematic !"#$!%&()!&*(#+,*-& !*()!&*("+!#!.!#&$/ )! &3$% *? )+ -- & >)0 * )0""1(&$* 5 2(4,3(*!!-) , ,:#*&/#(&$* 2($.$%5(&*,&) 2(4&#+) 2(;$#/+,% 2(&0%3*1 2(-,/+<(*-< &3.&%/,3(9$%3!9)(6(3!!*) /!%#$%0!0)1()0",*2$%)0&#,3 40$3$%5(,%.,!",(6(&$*2#$5+# 3,#&$)(&%3(/!%)#*0/#$!% "&) )$., +,& () #(5& !&* ;, >9$% $%) #& #,* 2 $% ? * &$ $%#,*%& +,&#(5&$%) !"#$!%&(,&*#+2#04, 2(",!", )0--,*8("*,2/!! 2(,=0$"-#< #+,*-&(4*$35,27*,, 9$%#,*8("*,29&*- 3,#&$) ,:+&0)# +,&#2*,/!.,*1 .,%#$&#$!%(6 #$%1(4&/;0"(+,&#,* Source: TE Studio
  • 58. TM First day costBASELINE YESTERDAY TODAY TOMORROW quality “lighthouse” early adopters mainstream building +10 to 20% +5 to 10% 0 - 5%
  • 59. TM Lifecycle cost BASELINE PASSIVE HOUSECONSTRUCTION $$$$ $$$$$ OPERATION $$$$ $ MAINTENANCE $$$$ $$ LIFECYCLE $$$$ $$
  • 60. Thanks.
  • 61. resourcespassipedia.orgpassivehouse-international.orgpassivehouse.uspassiv.de