WEATHERIZATION ENERGY AUDITOR SINGLE FAMILY
Auditor’s Toolbox
WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010
1 | WEATHERIZATION
ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – August 2010
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Learning Objectives
AUDITOR’S TOOLBOX
By attending this session, participants will:
• Be familiar with typical auditing tools.
• Gain an understanding of basic test procedures.
• Be exposed to more advanced test procedures.
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The Audit Field Form
AUDITOR’S TOOLBOX
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Basic Audit Tools
AUDITOR’S TOOLBOX
Photos courtesy of The US Department of Energy
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Tool Case
AUDITOR’S TOOLBOX
Photos courtesy of The US Department of Energy
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Specialized Tools
AUDITOR’S TOOLBOX
Photos courtesy of The US Department of Energy
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Vision Enhancers
AUDITOR’S TOOLBOX
Sony digital camera
Boroscope
Testo Video Pro
Flir Infrared
Photos courtesy of The US Department of Energy
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Combustion Appliance Testing
AUDITOR’S TOOLBOX
Photos courtesy of The US Department of Energy
Above (left to right):
Above counter-clockwise from lower left:
• Thermometer.
• Pipe wrenches.
• Gas leak detection bubbles.
• Draft Gauge.
• Long lighter.
• Inspection mirror.
• Gas leak detector.
• Smoke pump and smoke test
filter paper.
• Inspection mirror.
• Combustion analyzer.
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Combustion Appliance Test Kit
AUDITOR’S TOOLBOX
Keep one case just for
combustion testing:
•
Smoke pump and filter
paper.
•
Lighter.
•
Combustion analyzer and
manual.
•
High-temp sealant.
•
Appropriate drill bits for
test holes.
•
Organization!
Photo courtesy of The US Department of Energy
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Blower Door
AUDITOR’S TOOLBOX
Photo courtesy of The US Department of Energy
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Manometers & Gauges
AUDITOR’S TOOLBOX
Magnahelic
gauges
DG-700
(Energy Conservatory)
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DM-2
(Retrotec)
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Blower Door with Infrared
AUDITOR’S TOOLBOX
Without Blower Door
With Blower Door Running
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“Feathering” at a Dropped Soffit
AUDITOR’S TOOLBOX
The feathery edged areas extending
across the ceiling are caused by cold
outside air being pulled in through a
crack between the dropped box soffit
and the ceiling.
Ceiling
Wall
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Smoke
AUDITOR’S TOOLBOX
Wizard Stick
Photos courtesy of The US Department of Energy
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Pressure Pan
AUDITOR’S TOOLBOX
Photo courtesy of The US Department of Energy
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Diagnosing Ducts
AUDITOR’S TOOLBOX
Common mobile home duct pattern
Bedroom
Bedroom
Bath
Furnace Closet (living rm)
Living Room
Kitchen
Kitchen
0.8 Pa
1.2 Pa
2.4 Pa
2.6 Pa
2.0 Pa
1.2 Pa
0.5 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.
Photo Source: US Department of Energy
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Duct Blaster
AUDITOR’S TOOLBOX
Photo courtesy of The US Department of Energy
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Pressure Diagnostics
AUDITOR’S TOOLBOX
Photos courtesy of The US Department of Energy
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Measuring Exhaust Fan Flow
AUDITOR’S TOOLBOX
Energy Conservatory Exhaust Fan Flow Meter
with DG-700 Pressure & Flow Gauge
Photos courtesy of The US Department of Energy
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Moisture Assessment
AUDITOR’S TOOLBOX
“Pin” or “Non contact” moisture meters
Indoor/outdoor
reads RH.
Sling psychrometer.
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Circuit Testing & Tracing
AUDITOR’S TOOLBOX
Live wire tester, especially
useful for determining if knob
& tube wiring is still live.
Circuit tracer determines
which fuse/breaker controls
which circuit.
Tells auditor percent overload
on circuit, among other outputs.
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Base Load Analysis
AUDITOR’S TOOLBOX
Indoor/outdoor thermometer, useful
in measuring refrigerator/freezer
compartment temperatures.
Newer model
watt meter BrultechKit60
with 1220B.
Watt meter.
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Summary
AUDITOR’S TOOLBOX
• The field form keeps you focused.
• A blower door is essential.
• Infrared is convenient but can lead to false conclusions.
• Good tools pay for themselves.
• There are many specialized tools and tests available.
• Don’t test simply for the purpose of testing!
Test only when the result will give usable information.
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