Learning objective: to learn about green detailing for multi-storey wood construction; including, indoor air quality and ventilation, acoustics and quality control

Clancy, J. B.

English

ScholarWorks@UMass Amherst

1FORM FOLLOWS ENERGYJ.B. Clancy, AIACERTIFIED PASSIVE HOUSE CONSULTANT  ALBERT, RIGHTER & TITTMANN ARCHITECTS2011 UMass Wood Structures SymposiumAmherst, MassachusettsSeptember 8‐9, 2011 FORM FOLLOWS ENERGYHistory of Energy Consumption by Source in USA 1630 to PresentHouse 1630George Soule House 1630s, Plymouth, MAHouse 1732Hartwell Tavern, Concord, MA, 1732House1880Drew House 1882, Sandwich MAHouse 1950Farnsworth House, Mies van der Rohe 1951, Plano, IL2House 1995Anywhere USAHouse Now – 21st Century HousePassive House Energy StandardA Green Building Standardbuilt on anEnergy BudgetFor the 21st CenturyEnergy ContextPassive House Energy StandardHeating Demand (Site): 4.75 kBTU/SF/YRCooling Demand (Site): 4.75 kBTU/SF/YRTotal Energy Demand (Source): 38 kBTU/SF/YRAir Tightness: .6 ACH @ 50paAs modeled in the PHPP (Passive House Planning Package)Standards Comparison3THE PASSIVE HOUSESTRATEGYPassive House ConceptControlling Heat Loss… INSULATIONR58 WALLS: R90 CEILING: R60 SLABHigh Performance WINDOWS U value 0.16  Passive House ConceptControlling Heat Loss… ELIMINATE  THERMAL BRIDGESPassive House ConceptControlling Heat Loss… REDUCE AIR INFILTRATION.6 ACH @ 50 PAPassive House ConceptCapturing Heat Gains… SOLAR ENERGY4Passive House ConceptControlling Gains Seasonally… WINDOWS & ORIENTATIONU VALUE .10: TRIPLE GLAZED: >.5 SHGC ON SOUTH WINDOWSPassive House ConceptControlling Gains Seasonally… SOLAR THERMALPassive House ConceptProviding Fresh Air… HEAT RECOVERY VENTILATIONMINIMUM .35 ACH Passive House ConceptINTEGRATED“Let the architecture do the work”Passive House Strategies TO  GET  FROM  CODE  TO  PASSIVE  HOUSETHE FIRST CERTIFIEDPASSIVE HOUSE IN VERMONTCONSTRUCTED 20105Habitat for Humanity Passive HouseSOUTH ELEVATIONWEST ELEVATIONSOUTH ELEVATIONWEST ELEVATIONHabitat for Humanity Passive HouseNORTH ELEVATIONEAST ELEVATIONHabitat for Humanity Passive House Habitat for Humanity Passive HouseSECTIONHabitat for Humanity Passive HouseFOOTING DETAILCode vs. Passive HouseTHERM MODELS OF FOUNDATION DETAILSCODE INSULATION–2” XPS Under Slab & on WallPASSIVE HOUSE INSULATION– 12” XPS Under Slab & 10” on Wall6Global Warming Potential of Insulation MaterialsPayback of XPS InsulationHabitat for Humanity Passive HouseSILL DETAILHabitat for Humanity Passive HouseWALL SECTIONHabitat for Humanity Passive HouseSECOND FLOOR PLATFORM DETAILHabitat for Humanity Passive HouseEAVE DETAIL7Habitat for Humanity Passive House Habitat for Humanity Passive HouseSILL DETAIL - ALTERNATEHabitat for Humanity Passive HouseSECOND FLOOR PLATFORM DETAILALTERNATEHabitat for Humanity Passive HouseEAVE DETAIL - ALTERNATEHabitat for Humanity Passive HouseWINDOWSThermotech322 Gain+.64 SHGC (solar heat gain coefficient)Glazing U-value .16Frame U-value .16Habitat for Humanity Passive HouseTHERMOTECH WINDOWS8Habitat for Humanity Passive HouseWINDOWS – NORTH AMERICAN CASEMENTHabitat for Humanity Passive HouseWINDOWS – EUROPEAN TILT-TURNHabitat for Humanity Passive HouseHVAC  SYSTEMAir Source Heat PumpMitsubishi Hyper-heat MSZ-MUZ FE 12HRVZender ComfoAir 350 HRVSoil heat exchange systemTwo 125' loops of 1" pex around the base of the footingsfilled with water/glycol mix & tied to Laing 30W AC Pump & water-to-air coil (~40F Temp Rise)Solar Hot WaterSunward Solar water heating system mounted on roof with 40g electric hot water heater as back-upHabitat for Humanity Passive HouseHVAC  SYSTEMAir Source Heat PumpMitsubishi Hyper-heat MSZ-MUZ FE 12Habitat for Humanity Passive House HEAT RECOVERY VENTILATIONMINIMUM .35 ACH Habitat for Humanity Passive HouseHVAC  SYSTEMHRVZender ComfoAir 350 HRV9Habitat for Humanity Passive HouseHVAC  SYSTEM – DUCT LAYOUTHabitat for Humanity Passive HouseHVAC  SYSTEM - IAQHabitat for Humanity Passive HouseHVAC  SYSTEM - IAQThe levels of CO2 in the air and potential health problems are: 250 - 350 ppm – background (normal) outdoor air level 350- 1,000 ppm - typical level found in occupied spaces with good air exchange. 1,000 – 2,000 ppm - level associated with complaints of drowsiness and poor air. 2,000 – 5,000 ppm – level associated with headaches, sleepiness, and stagnant, stale, stuffy air. Poor concentration, loss of attention, increased heart rate and slight nausea may also be present. >5,000 ppm – Exposure may lead to serious oxygen deprivation resulting in permanent brain damage, coma and even death. Wisconsin’s Department of HealthPHPP ModelVERIFICATIONPHPP ModelWINDOWSPHPP Model HEAT DEMAND10PHPP ModelHEAT LOADPost-Construction Performance TestingPost-Construction Performance MonitoringPost-Construction Performance MonitoringPost-Construction Performance MonitoringPost-Construction Performance Monitoring11MODULAR CONSTRUCTION12Beginning of floor system-open web joists, LVL to reduce columns in basement4”Foam blocking on outside perimeter of floors –open web joists – urethane adhesive on floors EPDM gasket on floors. 13EPDM gasket at floor and wall intersectionsSpraying the foam seal - attaches the sheetrock to framing and makes air-tight assemblySheetrock air-sealed to framing Lifting wall section off framing tableAssembled walls on floor for ½ of 1st floor Insulated headers – built load specific14Full sheetrock air-seal behind tubFoam sprayed on sheetrock joints at tub to complete air-sealOVE framing(partial double plate is temporary for lifting)20” raised Heel folding truss w/ EPDM gasket between walls and ceiling13 3/8” window buckclapboard drainage under windowInstalled dense pack cellulose 15Air seal around plumbing vents Radon vent and ERV ductsSilicone sealing of wires penetrating exterior insulationExterior insulation detailsAir sealing of wall sheathing Wide strapping on corners16Folded shed roof Eave framing on shed roofFront door area 8.17.201010 working daysOn the launch pad Claremont, NH6:30 AM 9.10.2010Section Foundation and wall insulation detail17Coming in for landingCharlotte, VT1:30 PM 9.10.2010First Modular Passive House in USA18Habitat for Humanity Passive House Habitat for Humanity Passive HouseHabitat for Humanity Passive House “Heating System”$30 for January, average temp 72Habitat for Humanity Passive House Habitat for Humanity Passive House19Habitat for Humanity Passive House House 2011http://passipedia.passiv.de

WORKSHOP 2 Form Follows Energy

https://scholarworks.umass.edu/cgi/viewcontent.cgi?article=1069&amp;context=wood

WORKSHOP 2 Form Follows Energy

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