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2013 University of Minnesota Passive House Lecture

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This is a lecture I gave at the University of Minnesota on 3/5/2013. It serves as an introduction to the Passive House building energy standard.

This is a lecture I gave at the University of Minnesota on 3/5/2013. It serves as an introduction to the Passive House building energy standard.

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2013 University of Minnesota Passive House Lecture Presentation Transcript

  • 1. Introduction to thePassive House Building Energy Standard
  • 2. building sustainability...
  • 3. holistic design forsustainable homes• comfort• economy• ecology• quality• durability• beauty• functionality• healthSTUDIO:3429 Benjamin St. NEMinneapolis, MN 55418612-246-4670testudio.com CERTIFIED PASSIVE HOUSE™ CONSULTANT
  • 4. BUILDING LIFE CYCLEGLOBAL IMPACT CITY/CAMPUS BUILDINGS OPERATION [“How do we get there?”] [“Going there”] You are [“Being there”] Your organization is[“Where are we and where do we Your vision is to implement sustainable implementing buildings projects working towards a sustainable future.go?”] Your organization is working strategy for your built environments like based on global leading performance You are striving for a cleartowards a sustainable future. You are the 2000-Watt Society. targets and design standards like understanding of your currentstriving for a clear understanding of yourcurrent position and to set goals to Passive House or Minergie. position and to set goals to supportsupport your global vision. your global vision.STRATEGIC PLANNING MASTER PLANNING IMPLEMENTING FACILITY MANAGEMENTIntep creates framework plans based Intep develops appropriate building Intep offers project steering to you Intep supports you in defining portfolio oron the analysis of your current performance standards and applying directing your design team, or project specific operation planning byposition and a global vision for sustainability frame work to specific comprehensive, integrated design defining FM structure, processesresource and energy efficiency for project developments including services to execute your project to appropriate to the performance targetsyour build environment. feasibility. the highest standards. set. With new projects ideally accompanying the design process. building sustainability...
  • 5. Leapfrog Approach
  • 6. Integrated Design
  • 7. Performance-Based Design
  • 8. Whole > Sum(Parts)
  • 9. First Certified Passive House In North America
  • 10. First Certified Passive House In Wisconsin; Energy Plus Performance
  • 11. TM
  • 12. First Certified Passive House Retrofit In A Cold Climate; First In The TwinCities
  • 13. Passive House | Passivhaus 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 haveobtained the right to carry the logo have committed themselves to design excellence and the Passive House energy performance criteria.
  • 14. It’s A Tool
  • 15. Background
  • 16. Conservation = ResourceSource: The Small Homes Council at the University of Illinois Illinois Lo-Cal House, 1974
  • 17. Back To The Future
  • 18. Early ModelsSaskatchewan Conservation House Saskatoon, Canada in 1978
  • 19. Passive Solar Designs
  • 20. Passive Solar Design ≠ Passive HousePASSIVE SOLAR DESIGN PASSIVE HOUSEBuilding design concept Certified building energy standard“Unlimited” energy use Energy per square foot and year cap Solar heat gains (passive) and internal heatSolar heat gains (passive) gains Shading devices and glazing control solarShading devices to control solar heat gains heat gainsThermal mass absorbs and stores solar Insulation and air tightness retain spaceenergy conditioning energyTime-release of space conditioning energy Heat-recovery ventilation
  • 21. Solution
  • 22. Economy$
  • 23. Ecology & ResourcesSource: dreamstime.com
  • 24. Society
  • 25. Global WarmingSource: Blu
  • 26. Sustainability
  • 27. Global StandardThink globally, build locally.
  • 28. Global Adoption
  • 29. Flavors World United StatesNew Construction TMRetrofit
  • 30. Basic Concept• Conservation first• Minimize losses• Maximize gains
  • 31. 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
  • 32. Energy Footprint Heating (active) Hot water (active) Cooling (active) Household Electricity Heat & hot water (passive)Code Passive House • 90% less heating energy • 66% less overall energy
  • 33. MetricEnergy per Square Foot and Year Gas mileage for buildings.
  • 34. Space Conditioning Cap ≤ 4.75 kBtu/(sf yr) ≤ 15kWh/(m2 a)Total energy used to heat or cool a building.
  • 35. Source Energy Cap ≤ 38 kBtu/(sf yr) ≤ 120kWh/(m2 a)All energy consumed; accounted for at the source.
  • 36. Airtightness Cap ≤0.6 ACH50Measured with blower door in the field.
  • 37. Predictable Outcome - Measurable Results Passive House Planning Package - PHPP
  • 38. Planning and Design
  • 39. Paradigm Shifts• Incrementalism >>> • Leapfrog• Component >>> • System• “Design in a vacuum” >>> • Integrated design
  • 40. Schematic HEAT RECOVERY VENITALTION AIR-INTAKE SUPPLY AIR EXTRACT AIR EXHAUSTACTIVE SHADING = THERMOSTAT ADVANCED WINDOWS AND DOORS CONTINUOUSLY SUPER-INSULATED & AIRTIGHT BUILDING ENVELOPE THERMAL BRIDGE-FREE DETAILS = HEAT RECOVERY OPTIONAL VENTILATOR EARTH TUBE Source: TE Studio
  • 41. Continuous High R-Value Insulation
  • 42. Compare to standard 2x4 wallSource: Waltjen 2007
  • 43. TYPICAL SLAB ASSEMBLY > INTERIOR < - SCHEDULED FLOORING - STRUCTURAL CONCRETE SLAB: STRUCTURE INFILL AREAS WITHOUT STRUC. REQUIREMENTS WITH SAND, MIN. SLAB THICKNESS 4", VERIFY WITH STRUC. ENG. - (2) 6 MIL POLY MEMBRANE: VAPOR AND AIR BARRIER TAPE AND SEAL JOINTS & PROTRUSIONS AIRTIGHTFLR. - 10" EPS (COMPRESSION STRENGTH PER STRUCT. ENG.): INSULATION - BASE PER STRUC. ENG. CONNECT POLY MEMBRANE TO T.O. SLAB > UNDISTURBED SOIL < - 9-7 1/2" - 9-8 1/4" THICKENED EDGE PER STRUC. ENG.OUS PERIMETER DRAIN/ PASSIVE RADON VENT,HT OR SUMP, CONNECT TO VERT. RADON STACKPICAL ASSEMBLY SECTION
  • 44. Thermal Bridge Free Construction
  • 45. Continuous Airtightness
  • 46. REFERENCE DETAILS: SUGGESTED INSTALLATION:- STO W 260 1) INSTALL PIPE 2) INSTALL COMPRESSION TAPENOTE: 3) INSULATE TIGHT TO PIPE AND COMPRESS TAPE- USE ONLY STO CERTIFIED SEALANT 4) INSTALL FINISH SYSTEM- COLOR MATCH CAULK TO FACADE COLOR 11" EIFS 11" ICF EXTERIOR INTERIOR 12" PE PIPE, SLEEVE FILL GAPS WITH EXPANSION FOAM STO GUARD SCHEDULED WALL FINISH WET FLASHING SYSTEM SEALANT JOINT BRING INSULATION TAPE ICF TO DUCT, TIGHT TO PIPE AIR-TIGHT CONNECTION 2" ARMAFLEX PIPE INSULATION COMPRESSION TAPE INSULATED DUCT O.D. 180MM (LUEFTA) CUT BACK FINISH AND CAULK
  • 47. Hygrothermal Performance
  • 48. FLASHING FLASHING VENTILATION SLOTS VENTILATION SLOTS UNDER FLASHING UNDER FLASHING MIN. 3-0" MIN. 3-0" STO 1.0 / FINE (EIFS) STO 1.0 / FINE (EIFS) 2" EPS INSULATION (EIFS) 2" EPS INSULATION (EIFS) WIND WASH BARRIER (EIFS) WIND WASH BARRIER (EIFS) PEDESTAL PAVER SYSTEM PEDESTAL PAVER SYSTEM 5/8" PLYWOOD SHEATHING SLOPE 1/8" PER 1-0" 5/8" PLYWOOD SHEATHING SLOPE 1/8" PER 1-0" CONTINUOUS VENTILATION SPACE, CONTINUOUS VENTILATION SPACE, 2X8 @ 24" O.C. FABRIC PROTECTION MAT 2X8 @ 24" O.C. FABRIC PROTECTION MAT 2" XPS WITH DRAINAGE CHANNEL 2" XPS WITH DRAINAGE CHANNEL 60 MIL REINFORCED EPDM MEMBRANE 60 MIL REINFORCED EPDM MEMBRANE WITH STRIPPED-IN SEAMS WITH STRIPPED-IN SEAMS 3/4" PLYWOOD DECK @ 3/4" PLYWOOD DECK @ 1/4" PER 1-0" SLOPE 1/4" PER 1-0" SLOPE FLAT ROOF FLASHING VENTILATION SPACE FLAT ROOF FLASHING VENTILATION SPACE TAPERED FURR FRAMING TAPERED FURR FRAMING 1" EPS INSULATION (EIFS) 1" EPS INSULATION (EIFS) 2X10 @ 24" O.C. FURR FRAMING, 2X10 @ 24" O.C. FURR FRAMING, INSULATE CAVITIES TIGHTLY 11-7/8" I-JOIST @ 24" O.C. INSULATE CAVITIES TIGHTLY 11-7/8" I-JOIST @ 24" O.C. DENSE-PACK CELLULOSE DENSE-PACK CELLULOSE INSULATION INSULATION 14" I-JOIST @ 24" O.C. 14" I-JOIST @ 24" O.C. 3-1/8" INSULATED RIM 3-1/8" INSULATED RIM STO GUARD, STO GUARD, AIR TIGHT, DIFFUSION OPEN AIR TIGHT, DIFFUSION OPEN 1/2" EXPANSION JOINT PER STO, 1/2" EXPANSION JOINT PER STO, INSULATE CAVITY INSULATE CAVITY 5/8" WALL BOARD 5/8" WALL BOARD 3/4" FURR FRAMING (INSTALLATION) 3/4" FURR FRAMING (INSTALLATION) 5/8" OSB, AIR BARRIER, VAPOR RETARDER 5/8" OSB, AIR BARRIER, VAPOR RETARDER 5-1/2" DENSE-PACK CELLULOSE INSULATION, 5-1/2" DENSE-PACK CELLULOSE INSULATION, 2X6 FRAMING @ 16" O.C., OR ADVANCED 2X6 FRAMING @ 16" O.C., OR ADVANCED STICK FRAMING STICK FRAMING SCHEDULED BASE SCHEDULED BASE SCHEDULED FLOORING SCHEDULED FLOORING SCHEDULED 1/4" SELF-LEVELING COMPOUND SCHEDULED 1/4" SELF-LEVELING COMPOUND WITH ELECTRIC IN-FLOOR HEATING MATS PER MECH. PLAN WITH ELECTRIC IN-FLOOR HEATING MATS PER MECH. PLAN 3/4 PLYWOOD SUBFLOOR 3/4 PLYWOOD SUBFLOOR 11-7/8" I-JOIST 11-7/8" I-JOIST 3-1/2" RECYCLED COTTON FIBER INSULATION 3-1/2" RECYCLED COTTON FIBER INSULATION 3-1/8" INSULATED RIM, R-11 3-1/8" INSULATED RIM, R-11 3-1/2" RECYCLED COTTON FIBER INSULATION 3-1/2" RECYCLED COTTON FIBER INSULATION (SOUND ATTENUATION) (SOUND ATTENUATION) 5/8" WALL BOARD 5/8" WALL BOARD RESILIENT CHANNEL RESILIENT CHANNEL 5-1/2" DENSE-PACK CELLULOSE INSULATION, 5-1/2" DENSE-PACK CELLULOSE INSULATION, 2X6 FRAMING @ 16" O.C. OR ADVANCED 2X6 FRAMING @ 16" O.C. OR ADVANCED STICK FRAMING STICK FRAMING SCHEDULED BASE SCHEDULED BASE SCHEDULED FLOORING SCHEDULED FLOORING SCHEDULED 1/4" SELF-LEVELING COMPOUND SCHEDULED 1/4" SELF-LEVELING COMPOUND WITH ELECTRIC IN-FLOOR HEATING MATS PER MECH. PLAN WITH ELECTRIC IN-FLOOR HEATING MATS PER MECH. PLAN 3/4 PLYWOOD SUBFLOOR 3/4 PLYWOOD SUBFLOOR STO 1.0 / FINE (EIFS) STO 1.0 / FINE (EIFS) 11-7/8" I-JOIST 11-7/8" I-JOIST 11" EPS (EIFS) 11" EPS (EIFS) 3-1/2" RECYCLED COTTON FIBER INSULATION 3-1/2" RECYCLED COTTON FIBER INSULATION STO GUARD: AIR TIGHT, DIFFUSION OPEN STO GUARD: AIR TIGHT, DIFFUSION OPEN 3-1/8" INSULATED RIM 3-1/8" INSULATED RIM 5/8" T&G OSB SHEATHING 5/8" T&G OSB SHEATHING 3-1/2" RECYCLED COTTON FIBER INSULATION 3-1/2" RECYCLED COTTON FIBER INSULATION (SOUND ATTENUATION) (SOUND ATTENUATION) 5/8" WALL BOARD, TYP. 5/8" WALL BOARD, TYP. POLY URETHANE GLUE CONNECTION POLY URETHANE GLUE CONNECTION RESILIENT CHANNEL RESILIENT CHANNEL AIR-TIGHT SEAL AT SILL AIR-TIGHT SEAL AT SILL FOAM-PLUG @ SILL PLATE FOAM-PLUG @ SILL PLATE DRAINAGE PLANE? EARTHEN PLASTER, TYP. EARTHEN PLASTER, TYP. DRAINAGE PLANE? STO FINISH COAT 1/2" WALL BOARD, TYP. 1/2" WALL BOARD, TYP. STO FINISH COAT NUDURA ICF (2-5/8" XPS—6" CONC—2-5/8" XPS), NUDURA ICF (2-5/8" XPS—6" CONC—2-5/8" XPS), 1-6" THICKNESS OF CONCRETE LAYER PER 1-6" THICKNESS OF CONCRETE LAYER PER STRUCTURAL ENGINEER STRUCTURAL ENGINEER STEEL LANDSCAPE STEEL LANDSCAPEDE, MIN. 1/4" PER 1 SLOPE EDGING GRADE, MIN. 1/4" PER 1 SLOPE EDGING 2" 2" GEO-TEXTILE GEO-TEXTILE SCHEDULED BASE SCHEDULED BASE FABRIC FABRIC SCHEDULED FLOORING SCHEDULED FLOORING STO FLEXYL BELOW-GRADE WATER PROOFING STO FLEXYL BELOW-GRADE WATER PROOFING SCHEDULED 1/4" SELF-LEVELING COMPOUND SCHEDULED 1/4" SELF-LEVELING COMPOUND WITH ELECTRIC IN-FLOOR HEATING MATS WITH ELECTRIC IN-FLOOR HEATING MATS PER MECH. PLAN PER MECH. PLAN 4" CONCRETE SLAB (EXPOSED WHERE SCHEDULED) 4" CONCRETE SLAB (EXPOSED WHERE SCHEDULED) 20 MIL POLY, SEAL JOINTS 20 MIL POLY, SEAL JOINTS GRAVEL BACKFILL GRAVEL BACKFILL 12" XPS INSULATION, DOW SQUARE EDGE, COMPRESSION 12" XPS INSULATION, DOW SQUARE EDGE, COMPRESSION STRENGTH PER STRUCTURAL ENGINEER STRENGTH PER STRUCTURAL ENGINEER DRAIN TILE, DRAIN TO DAYLIGHT DRAIN TILE, DRAIN TO DAYLIGHT COMPACTED SOIL COMPACTED SOIL 2" XPS INSULATION @ FOOTING, SEAL JOINTS 2" XPS INSULATION @ FOOTING, SEAL JOINTS UNDISTURBED NATIVE SOIL UNDISTURBED NATIVE SOIL 2" 9" 11 1/4" 4 3/4" 1" 2" 9" 11 1/4" 4 3/4" 1" CONSTRUCTION LINE - OUTSIDE FACE OF ICF CONSTRUCTION LINE - OUTSIDE FACE OF ICF
  • 49. High-Performance Windows And Doors
  • 50. ROUGH OPENING SCHEDULED TRIM INSIDE WOOD WINDOW SILL BELOW 3/4" PLYWOOD BUCK EXTENSION JAMB, SITE AIRTIGHT CONNECTION TAPE WINDOW FRAME TO WINDOW BUCK WITH TAPE PER MANF. AIRTIGHT CONNECTION SEAL GAP WITH LOW EXPANSION FOAM FROM EXTERIOR AIRTIGHTNESS TAPE SHEATHING TO OPTIWIN ALU2WOOD WINDOW WINDOW BUCK WITH 4" SIGA WIGLUV TAPE WINDOW SET POINT WRB CONNECTION CAULK JAMB TO WINDOW, MATCH COLOR OF TRIM WRB CONNECTION TAPE WBR TO WINDOW FRAME WITH SIGA WIGLUV CONTINUOUS INSULATION 2 EPS INSULATION BLOCK, GLUE INTO 2 PLACE2 2 2 6 ALUMINUM SILL PAN BELOW 5/4X6 EXTERIOR TRIM, TYP. OUTSIDE
  • 51. Passive Solar Heat Gains
  • 52. Covers over 50% of the heat demand.
  • 53. Solar Facade
  • 54. Shading
  • 55. Windows = HeatersPower is nothing without control.
  • 56. Internal Heat Gains
  • 57. Copyright Sony Pictures Covers over 10% of the heat demand.
  • 58. Balanced Heat-Recovery Ventilation
  • 59. Heating, Cooling & Dehumidification
  • 60. UP DN DN UP T LIV/DIN/KI T 1.4 REF CLO POWDER 5 1.1 1.2 1.3
  • 61. Source: Fujitsu
  • 62. Efficient Appliances and Equipment
  • 63. Source: Lighting EverSource: Ecodrain Source: Sun Frost
  • 64. Performance Testing
  • 65. Optional Monitoring
  • 66. Optional Renewable Energy Systems
  • 67. Energy Retrofit withPassive House Components (EnerPHit)
  • 68. Feasibility Study
  • 69. Energy Conservation30,000 kWh22,500 kWh 75% REDUCTION15,000 kWh 7,500 kWh 0 kWh TYPICAL NEW HOME SYNERGY
  • 70. Comparisons
  • 71. Affordability Redefined $MORTAGE
  • 72. First Day CostBaseline Yesterday Today Tomorrow EarlyQuality “Lighthouse” Mainstream AdoptersBuilding 10 to 20% 0 - 5% 5 to 10%
  • 73. Life Cycle Cost Baseline Passive HouseConstruction $$$$ $$$$$Operation $$$$ $$Maintenance $$$$ $$Total Cost $$$$ $$$
  • 74. Summary
  • 75. Passive House• Best certified and third party verified voluntary building standard in the industry• Caps for heating and source energy, and airtightness• Energy modeled, predictable performance• 90% less heating demand than standard• up to 75% or more overall energy savings than standard, energy independence• Smallest carbon footprint in the industry• Incredible comfort and health• True value for owners and society• Smart use of our resources like building materials and utilities• Best insulation from an uncertain energy future• 2 decades of proven performance• Thousands of built projects all over the world• Commercial and residential, new and retrofit• Short ROI, incredible lifecycle savings potential• Best starting point for net-zero energy and carbon-neutrality with smallest renewable systems• Global solution• Life cycle approach for sustainable real estate
  • 76. Resourcespassipedia.orgpassivehouse-international.orgpassivehouse.uspassiv.dephaus.orgphamsp.org
  • 77. Thank You!testudio.com | intep.us | intep.com