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1 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov WEATHERIZATION TECH 101 NASCSP 2011 WEATHERIZATION ASSISTANCE.

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Presentation on theme: "1 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov WEATHERIZATION TECH 101 NASCSP 2011 WEATHERIZATION ASSISTANCE."— Presentation transcript:

1 1 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov WEATHERIZATION TECH 101 NASCSP 2011 WEATHERIZATION ASSISTANCE PROGRAM

2 2 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Basic Audit Tools AUDITOR’S TOOLBOX Photos courtesy of The US Department of Energy

3 3 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Tool Case AUDITOR’S TOOLBOX Photos courtesy of The US Department of Energy

4 4 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Vision Enhancers Sony digital camera Boroscope Flir Infrared Testo Video Pro AUDITOR’S TOOLBOX Photos courtesy of The US Department of Energy

5 5 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Combustion Appliance Testing Above (left to right): Thermometer. Draft Gauge. Inspection mirror. Gas leak detection bubbles. Smoke pump and smoke test filter paper. Combustion analyzer. Above counter-clockwise from lower left: Pipe wrenches. Long lighter. Gas leak detector. Inspection mirror. AUDITOR’S TOOLBOX Photos courtesy of The US Department of Energy

6 6 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Smoke Wizard Stick AUDITOR’S TOOLBOX Photos courtesy of The US Department of Energy

7 7 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Manometers & Gauges Magnahelic gauges DG-700 (Energy Conservatory) DM-2 (Retrotec) AUDITOR’S TOOLBOX

8 8 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Blower Door with Infrared Without Blower DoorWith Blower Door Running AUDITOR’S TOOLBOX

9 9 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Pressure Pan AUDITOR’S TOOLBOX Photo courtesy of The US Department of Energy

10 10 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Diagnosing Ducts Common mobile home duct pattern Bedroom0.8 Pa Bedroom1.2 Pa Bath2.4 Pa Furnace Closet (living rm)2.6 Pa Living Room2.0 Pa Kitchen1.2 Pa Kitchen0.5 Pa Total: 10.7 Pa = seal ducts 2.4 Pa at bath register & 2.6 Pa at living room register indicate a large leak between them, most probably at the furnace plenum. AUDITOR’S TOOLBOX Photo Source: US Department of Energy

11 11 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Duct Blaster AUDITOR’S TOOLBOX Photo courtesy of The US Department of Energy

12 12 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Measuring Exhaust Fan Flow Energy Conservatory Exhaust Fan Flow Meter with DG-700 Pressure & Flow Gauge AUDITOR’S TOOLBOX Photos courtesy of The US Department of Energy

13 13 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Moisture Assessment Sling psychrometer. “Pin” or “Non contact” moisture meters Indoor/outdoor reads RH. AUDITOR’S TOOLBOX

14 14 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Circuit Testing & Tracing Tells auditor percent overload on circuit, among other outputs. Circuit tracer determines which fuse/breaker controls which circuit. Live wire tester, especially useful for determining if knob & tube wiring is still live. AUDITOR’S TOOLBOX

15 15 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Base Load Analysis Watt meter. Newer model watt meter - BrultechKit60 with 1220B. Indoor/outdoor thermometer, useful in measuring refrigerator/freezer compartment temperatures. AUDITOR’S TOOLBOX

16 16 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Typical Weatherization Measures In no particular order

17 17 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Air Sealing and Attic Prep WEATHERIZATION INSTALLER/TECHNICIAN INTERMEDIATE WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010

18 18 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Air flow is measured in cubic feet per minute. Also written as ft 3 /min, or CFM. 1 CFM OUT = 1 CFM IN. Air flow takes the path of least resistance. Air moves from high-to low-pressure areas. Air moves from high-to low-temperature areas. Air Leakage Review AIR SEALING & ATTIC PREP

19 19 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Primary Air Infiltration Sites Data courtesy of the California Energy Commission 5% Fans & Vents 12% Windows 13% Doors 15% Plumbing Penetrations Fireplace 16% Electric Outlets 2% Floors, walls, and Ceilings 36% AIR SEALING & ATTIC PREP

20 20 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Urethane foam (spray foam) 2.Foam board 3.Sheet metal/foil 4.Mastic and gloves 5.High-temperature caulk 6.Utility flags 7.Insulation rulers 8.Tin snips and zip ties 9.Stapler 10.Weatherstripping 11.Zip tie tightening tool 12.Utility knife Common Tools for Attic Prep AIR SEALING & ATTIC PREP

21 21 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Check typical hot-spots: Flues and plumbing vents. Wire pathways. Recessed fixtures (lights and fans). Chimney penetrations. Signals: Blower door, smoke. Dirty or discolored Insulation. Finding Air Leaks AIR SEALING & ATTIC PREP Photos courtesy of the US Department of Energy

22 22 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov GAPS ≤ 1/4” Caulk General Guidelines Energy Blast Services The Daily Green GAPS 1/4” – 3” Spray foam OTHER Foam board, fiberglass in plastic bags, etc. AIR SEALING & ATTIC PREP

23 23 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Sometimes sealing air leaks requires repairing damaged drywall. Drywall Repair AIR SEALING & ATTIC PREP Photos courtesy of the US Department of Energy

24 24 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Recessed Light Fixtures High Temperature Issues Flues Maintain appropriate clearances High-temp caulk IC Rated Fixture Non-IC Rated Fixture AIR SEALING & ATTIC PREP Photos courtesy of the US Department of Energy

25 25 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov No insulation over knob & tube wiring. All home electrical systems should be properly grounded. Wiring splices enclosed in junction boxes and marked with a flag visible above attic insulation. Wiring Knob and tube wiring is common in old homes. AIR SEALING & ATTIC PREP Photo courtesy of the US Department of Energy

26 26 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Attic Insulation WEATHERIZATION INSTALLER/TECHNICIAN INTERMEDIATE WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010

27 27 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Cost-Effective Insulation Levels ATTIC INSULATION

28 28 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Not Enough Insulation ATTIC INSULATION

29 29 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Too Much Insulation ATTIC INSULATION

30 30 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Measuring Blown-In Insulation How much is in that back corner? Staple rulers every 15 feet for even coverage. ATTIC INSULATION Photo courtesy of the US Department of Energy

31 31 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Properly Insulated Attic Dam maintains clearance around flue Flags indicate juncture boxes, recessed lights Even layer of appropriate depth ATTIC INSULATION Photo courtesy of the US Department of Energy

32 32 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Dense-Pack Sidewall Insulation WEATHERIZATION INSTALLER/TECHNICIAN INTERMEDIATE WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010

33 33 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov It Works “ It is not unusual to reduce overall house leakage by 30% to 50% by dense-packing walls and other closed-in cavities.” - Home Energy Magazine, Nov/Dec 1995 DENSE-PACK SIDEWALL INSULATION

34 34 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov 1.Siding remover 2.Eye protection and dust mask 3.Hose cut at 45 degree angle 4.Drill bit 5.Plugs 6.Mister (for LSW) 7.Corded, 1/2” drill 8.Cellulose Typical Tools Used DENSE-PACK SIDEWALL INSULATION

35 35 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Maintain equipment. Inspect walls. Determine fill strategy. (attic or wall, interior or exterior) Remove siding (if exterior). Drill. Fill. Replace/repair. Order of Operations DENSE-PACK SIDEWALL INSULATION

36 36 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Blow in from attic if you can. Interior. Exterior. Drill at top, bottom, middle? Determine Fill Strategy DENSE-PACK SIDEWALL INSULATION

37 37 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Remove Siding AluminumVinyl WoodAsbestos If it can be avoided, remove asbestos siding! Interior blow DENSE-PACK SIDEWALL INSULATION Photo courtesy of the US Department of Energy

38 38 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Aluminum Siding Pry and slide / May need metal cutter. DENSE-PACK SIDEWALL INSULATION Photo courtesy of the US Department of Energy

39 39 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Vinyl Siding Easier to work with than metal. DENSE-PACK SIDEWALL INSULATION Photo courtesy of the US Department of Energy

40 40 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Wood Siding Remove clapboards and pressed board. Remove enough shingles to re-cover holes. DENSE-PACK SIDEWALL INSULATION Photo courtesy of the US Department of Energy

41 41 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Properly size bit to accept fill tube and movement. Drill at angle fill-tube will enter. Address large cavities first to get blower busy before tackling details. Probe around hole. Drill DENSE-PACK SIDEWALL INSULATION Photos courtesy of the US Department of Energy

42 42 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Probe cavities for blocks - request holes where needed. If holes are drilled in the middle of the wall, fill top then bottom. Feed hose to farthest point from hole, then pull back 12”. Cellulose-only blower: pull hose out 1’ at a time (Faster blower: pull out 2’). Adjust air gate: 8’ Cavity should fill in minutes. Fill DENSE-PACK SIDEWALL INSULATION

43 43 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Check fill holes: Shouldn’t be able to stick your finger in. Check material-to- Volume ratio: One 30 lb. bag should almost fill 3 8’ cavities with 2x4 16” O.C. framing. Proper Density DENSE-PACK SIDEWALL INSULATION Photo courtesy of the US Department of Energy

44 44 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov If you’ve blown for over four minutes without reaching proper density, find out where cellulose is going! Trouble-Shooting or Shooting Trouble? DENSE-PACK SIDEWALL INSULATION Photo courtesy of the US Department of Energy

45 45 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Replace and Repair The job isn’t done until the house is put back together. DENSE-PACK SIDEWALL INSULATION Photo courtesy of the US Department of Energy

46 46 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov MOBILE HOME TRAINING Duct Diagnostics and Repair WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010

47 47 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov A typical mobile home downflow distribution system Forced Air System Operation #1 DUCT DIAGNOSTICS AND REPAIR

48 48 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Forced Air System Operation #2 FurnaceDuc t Vent s Return Air DUCT DIAGNOSTICS AND REPAIR

49 49 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Problems and Opportunities Photos courtesy of PA WTC New factory installation includes duct tape Failed duct tape DUCT DIAGNOSTICS AND REPAIR

50 50 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Visual Checks #1 Photos courtesy of PA WTC Duct registers are common leakage sites DUCT DIAGNOSTICS AND REPAIR

51 51 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Desperate times call for desperate measures… …when the crawl space is the warmest room of the house! Photos courtesy of PA WTC Visual Checks #2 DUCT DIAGNOSTICS AND REPAIR

52 52 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Visual Checks #3 Photos courtesy of PA WTC Large holes Branch duct leakage DUCT DIAGNOSTICS AND REPAIR

53 53 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov The old flashlight and mirror trick Visual Checks #5 Is that a squeegee down there?! Photos courtesy of the US Department of Energy DUCT DIAGNOSTICS AND REPAIR

54 54 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Furnace Connection Duct Termination Crossover Duct Branch Duct Register Boot TRUNK DUCT Visual Checks #6 Typical Air Leakage Locations DUCT DIAGNOSTICS AND REPAIR

55 55 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Depressurize the home to 50 pascals Pressure pan each register location Record pressure differences Repair ducts and retest Pressure Pan Testing The goal is to reduce pressure pan readings at each register location to less than 1 pascal. Remember this number! Photo Source: US Department of Energy DUCT DIAGNOSTICS AND REPAIR

56 56 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Duct repair and sealing techniques Inspect ducts and boots Repair or replace ducts and boots Clean ducts Seal with mastic and fiberglass mesh tape Seal ends of trunk line Repair and seal furnace base DUCT INSPECTION AND MODIFICATION TOOLS Repairing & Sealing Ducts #1 Photo courtesy of the US Department of Energy DUCT DIAGNOSTICS AND REPAIR

57 57 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Inspect for blockage and loose seams Check the flanges and inspect for damage Repairing & Sealing Ducts #2 Photos courtesy of the US Department of Energy DUCT DIAGNOSTICS AND REPAIR

58 58 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Make sure to clean ducts before sealing Repairing & Sealing Ducts #3 Photo courtesy of the US Department of Energy DUCT DIAGNOSTICS AND REPAIR

59 59 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Repairing & Sealing Ducts #4 Repair or replace the boot Photo courtesy of the US Department of Energy DUCT DIAGNOSTICS AND REPAIR

60 60 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Aluminum coil stock and boot fabrication Photo courtesy of PA WTC Repairing & Sealing Ducts – Materials #1 Photo courtesy of the US Department of Energy DUCT DIAGNOSTICS AND REPAIR

61 61 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Butyl-backed tape Repairing & Sealing Ducts – Materials #2 Photo courtesy of PA WTC DUCT DIAGNOSTICS AND REPAIR Image Source:

62 62 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Repairing & Sealing Ducts – Materials #3 Mastic sealant Photo courtesy of the US Department of Energy DUCT DIAGNOSTICS AND REPAIR Image Source:

63 63 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Use fiberglass mesh tape to span gaps larger than ¼ inch Latex gloves are often your mastic brush Sealing with Mastic #1 Photos courtesy of the US Department of Energy DUCT DIAGNOSTICS AND REPAIR

64 64 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Seal the duct, then patch the belly board Mechanically fasten and seal with butyl-backed aluminum tape or mastic Repairing and Sealing Ducts #1 Photo courtesy of PA WTCPhoto courtesy of WV GOEO DUCT DIAGNOSTICS AND REPAIR

65 65 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Repairing and Sealing Ducts #2 Re-attach disconnected ductwork Photo courtesy of PA WTC DUCT DIAGNOSTICS AND REPAIR

66 66 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Results! Post Pressure Pan Testing Photos courtesy of the US Department of Energy DUCT DIAGNOSTICS AND REPAIR

67 67 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Basements and Crawl Spaces WEATHERIZATION INSTALLER/TECHNICIAN INTERMEDIATE WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010

68 68 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Basements –Intentionally or unintentionally conditioned –Unconditioned Crawl Spaces –Vented –Unvented –Conditioned Foundation Types Pier and beam (exposed floor) Concrete Slabs − Insulated − Uninsulated BASEMENTS & CRAWL SPACES

69 69 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Slab on Grade Foundation Basement or Crawl Space Foundation Photo courtesy of PA WTC Photo courtesy of Wikipedia Pier and Beam Foundation BASEMENTS & CRAWL SPACES Foundation Types Photo courtesy of PA WTC

70 70 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Conditioned Basement Unconditioned Basement Conditioned Main Level Conditioned Basement BELOW GRADE Conditioned Main Level Unconditioned Basement Conditioned or Unconditioned? ABOVE GRADE Thermal Barrier Air Barrier BASEMENTS & CRAWL SPACES

71 71 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Conditioned More than 50% below grade. Relatively tight or unvented foundation. A living space. Intentional or unintentional space conditioning. Unconditioned Less than 50% below grade. Leaky, vented, or severely degraded foundation. Not a living space. No intentional or unintentional space conditioning. Conditioned or Unconditioned? Guidelines BASEMENTS & CRAWL SPACES

72 72 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Basement Diagnostics Zonal Pressure Diagnostics (ZPD) Determine interconnectivity of basement or crawlspace WRT house. Pressure Pan Testing Determine relative leakiness of ducts to outside. CAZ Testing Diagnose problems caused by negative pressures. BASEMENTS & CRAWL SPACES Photo courtesy of PA WTC

73 73 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Unconditioned Basements  Air seal all air pathways between the basement and house.  Seal all return and supply ducts.  Insulate all duct work to the recommended R-value.  Insulate open floor joists to the recommended R-value with fiberglass batt insulation. Be sure to fit insulation batts tightly to the bottom of the sub-floor and attach them with wire supports.  Insulate enclosed floor cavities with dense-pack insulation.  Pressure pan measurements on duct registers should read close to 0 Pa. Basement Retrofit Options BASEMENTS & CRAWL SPACES

74 74 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Photo courtesy of the US Department of Energy

75 75 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Photo courtesy of the US Department of Energy

76 76 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Conditioned Basements Air seal perimeter mud sill, band joist and all air pathways between the basement and the house. Seal return plenum and all return ducts for safety. Seal major leaks in supply ducts by mechanically reconnecting boots to register transitions. Insulate band joist area to recommended R-Value. Consider insulating basement walls. Use ZPD to verify that the conditioned crawl space with reference to the house is close to 0 Pa. Basement Retrofit Options BASEMENTS & CRAWL SPACES

77 77 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov 2 ft 5 ft Manual J HTM (Btu/hr/sq ft) Butte, Montana BASEMENTS & CRAWL SPACES Heat Loss by Soil Depth Kokoma, Indiana Tampa, Florida >6 ft

78 78 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Basements and Crawlspaces Photo courtesy of INCAP

79 79 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Photo courtesy of INCAP

80 80 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Photo courtesy of INCAP

81 81 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Basements and Crawlspaces Photo courtesy of INCAP

82 82 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Foaming the Band Joist BASEMENTS & CRAWL SPACES Photo courtesy of the US Department of Energy

83 83 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Materials, Tools & Equipment WEATHERIZATION INSTALLER/TECHNICAN FUNDAMENTALS WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010

84 84 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov MATERIALS, TOOLS & EQUIPMENT Photo courtesy of NRCERT

85 85 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov MATERIALS, TOOLS & EQUIPMENT Hoses Insulation Hoses & Hose Reel 3” HoseWall TubeHose Reel

86 86 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov MATERIALS, TOOLS & EQUIPMENT Sidewall Drills & Bits

87 87 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov MATERIALS, TOOLS & EQUIPMENT Drill Shroud Photos courtesy of the US Department of Energy

88 88 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov MATERIALS, TOOLS & EQUIPMENT Air Respirator Positive Pressure Supplied-Air Respirator Photos courtesy of the US Department of Energy

89 89 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov MATERIALS, TOOLS & EQUIPMENT Duct Mastic Photo courtesy of the US Department of Energy

90 90 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov MATERIALS, TOOLS & EQUIPMENT Combustion Safety Equipment Photos courtesy of the US Department of Energy

91 91 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov MATERIALS, TOOLS & EQUIPMENT Vent Pipe B-Vent L-Vent Single-Wall Black Pipe

92 92 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov MATERIALS, TOOLS & EQUIPMENT Trucks & Trailers Photos courtesy of NRCERT

93 93 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov MATERIALS, TOOLS & EQUIPMENT NRCERT Truck Side Hatch Photo courtesy of the US Department of Energy

94 94 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov MATERIALS, TOOLS & EQUIPMENT Photos courtesy of the US Department of Energy

95 95 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov MATERIALS, TOOLS & EQUIPMENT Photo courtesy of the US Department of Energy

96 96 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010eere.energy.gov Thank you! Kelly Cutchin


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