BPI Quality Control Inspector (QCI)

What is the primary role of a BPI Quality Control Inspector (QCI)?

• ATo install weatherization measures such as insulation, air sealing, and HVAC equipment
• BTo verify that retrofit work was completed according to work plans, specifications, and a…
• CTo design the energy efficiency upgrade scope of work for the homeowner
• DTo replace the Energy Auditor on the project after installation is complete

Which BPI certification is a prerequisite to taking the QCI exam?

• ABPI Building Analyst Technician (BA-T)
• BBPI Heating Professional
• CBPI Energy Auditor (EA)
• DBPI Multifamily Building Analyst

How many multiple-choice questions appear on the BPI QCI written exam, and how long is the time limit?

• A60 questions in 2 hours
• B50 questions in 2.5 hours
• C75 questions in 3 hours
• D100 questions in 4 hours

What passing score is required on the QCI written exam?

• A60%
• B65%
• C70%
• D80%

How often must a BPI QCI certification be renewed?

• AEvery year
• BEvery 2 years
• CEvery 3 years
• DEvery 5 years

Which DOE program most commonly relies on BPI QCI inspections for compliance?

• AENERGY STAR Certified Homes
• BWeatherization Assistance Program (WAP)
• CLEED for Homes
• DFederal Trade Commission EnergyGuide labeling

A QCI is asked to inspect a home where the same person both performed the energy audit and supervised the installation. What is the appropriate action?

• AProceed with the inspection because the QCI is independent regardless of project history
• BDecline to inspect that specific home due to conflict of interest and request reassignment
• COnly inspect the air sealing measures and skip the rest
• DReduce the sample size by half to limit involvement

Which document is the QCI's primary written reference for the inspection criteria on a weatherization job?

• AThe homeowner's utility bills
• BThe Energy Auditor's work scope and applicable Standard Work Specifications (SWS)
• CThe local building code
• DThe contractor's invoice

Which BPI standard establishes minimum criteria for residential whole-building energy auditing referenced by the QCI?

• AANSI/BPI-1100-T Home Energy Auditing Standard
• BANSI/ACCA 5 QI HVAC Quality Installation
• CASHRAE 90.1
• DIECC 2021

What is the role of ANSI/BPI-1200-S in QCI inspections?

• AIt establishes the financial accounting requirements for weatherization agencies
• BIt provides the specific procedures and protocols for diagnostic tests used in the audit…
• CIt defines the marketing claims contractors may make
• DIt sets duct cleaning requirements

What is the typical baseline target depressurization for a CAZ worst-case combustion safety test?

• A-3 Pa
• B-15 Pa
• C-50 Pa
• D-100 Pa

When performing a CAZ worst-case depressurization test, how long after firing the smallest-BTU appliance should spillage be checked at the draft diverter according to ANSI/BPI-1200?

• A30 seconds
• B60 seconds
• C2 minutes
• D5 minutes

Per ANSI/BPI-1200, undiluted flue gas CO from a natural-draft appliance is measured at what point during the test?

• AImmediately at burner ignition
• BAfter 60 seconds of burner operation
• CAfter 5 minutes of main burner operation
• DAfter the burner has cooled and cycled off

An undiluted flue CO measurement of 425 ppm air-free is observed on a natural-draft water heater. According to ANSI/BPI-1200 action levels, which response is most appropriate?

• APass with no further action
• BRecommend monitoring; no immediate work needed
• CRecommend service of the appliance and document the finding
• DOrder an immediate shutdown of the appliance and notify the customer of an emergency cond…

During worst-case CAZ setup for a single-zone home, which combination of equipment is operated simultaneously?

• AOnly the largest exhaust fan with all interior doors open
• BAll exhaust appliances and the air handler in the configuration that produces the greates…
• COnly the dryer with the windows open
• DNo exhaust equipment; baseline pressure only

Why is draft pressure measurement important when inspecting a natural-draft combustion appliance?

• ADraft pressure indicates whether the appliance is sized correctly for the home
• BDraft pressure verifies that the flue gases are being adequately vented to the outdoors u…
• CDraft pressure replaces the need to test for CO
• DDraft pressure measures the appliance's electrical efficiency

What tool is most appropriate for visually verifying spillage at the draft diverter of an atmospherically vented water heater?

• AAn infrared camera
• BA smoke pencil or mirror held at the draft diverter
• CA clamp ammeter
• DA psychrometer

Per ANSI/BPI-1200, what is the minimum ambient CO level that requires immediate notification of the occupant and corrective action?

• A5 ppm
• B9 ppm
• C35 ppm
• D100 ppm

What is the purpose of a test-in measurement in weatherization quality control?

• ATo bill the homeowner for diagnostic services
• BTo establish baseline building performance before retrofit work begins
• CTo verify that all measures pass after installation
• DTo benchmark the contractor's installation speed

Which condition would most likely cause a 'fail' on a post-retrofit (test-out) combustion safety test that previously passed at test-in?

• AReplacement of incandescent bulbs with LEDs
• BSignificant air sealing that tightened the building envelope without adjusting combustion…
• CInstallation of an outdoor smart sprinkler controller
• DPainting interior walls

What is the minimum airflow rate required by ASHRAE 62.2 for whole-house mechanical ventilation in a 2,000 sq ft, 3-bedroom home using the 0.03 cfm/sq ft + 7.5 cfm per bedroom rule?

• A60 cfm
• B82.5 cfm
• C100 cfm
• D120 cfm

ASHRAE 62.2 requires local mechanical exhaust in which two locations?

• ABedrooms and living room
• BKitchen and bathrooms
• CGarage and attic
• DBasement and crawlspace

Which standard does the QCI most directly reference when verifying that an HVAC system was installed to the 'Quality Installation' specification?

• AASHRAE 90.1
• BANSI/ACCA 5 QI
• CANSI/BPI-1200-S
• DNFPA 70

According to ANSI/ACCA 5 QI, measured airflow through the indoor blower must be within what percentage of the design airflow?

• AWithin 5%
• BWithin 10%
• CWithin 15%
• DWithin 25%

What is the QCI's expected response when finding installed insulation R-value that is lower than the work scope specified?

• AApprove the work because the installer made a reasonable substitution
• BDocument the nonconformance and report it through the agency's corrective action process
• CRe-install the insulation themselves
• DRefund the homeowner directly

Which sampling approach is typical for QCI inspection of weatherized homes under the DOE Weatherization Assistance Program?

• AInspect 5% of completed homes only
• BInspect 100% of homes individually with full diagnostic test-out
• CInspect every home produced; sampling does not apply to QCI in WAP
• DInspect only homes selected by the contractor

When a utility-funded home performance program uses a statistical sampling plan, which selection method best preserves inspection integrity?

• AThe contractor selects which homes the QCI will inspect
• BThe QCI selects homes randomly from the population of completed jobs
• COnly homes flagged by homeowner complaints are sampled
• DThe QCI inspects the newest job each week

What is the primary reason QCIs use photographic documentation of installed measures?

• ATo market the agency on social media
• BTo create a verifiable record of installed conditions tied to specific scope items
• CTo replace the need for written reports
• DTo time-stamp the contractor's lunch break

A QCI photographs attic insulation but the photo is too dark to verify depth. What is the best corrective action?

• ASubmit the photo as-is and add a note
• BRe-photograph using adequate lighting and a depth ruler labeled with the location
• CSkip the photo requirement for that measure
• DAsk the contractor for their photos

What is the most appropriate use of a blower door during a QCI test-out inspection?

• ATo verify the contractor's price quote
• BTo confirm the reduction in CFM50 from test-in and to support combustion safety worst-cas…
• CTo dry the basement
• DTo pressurize the duct system for leakage testing

A test-in blower door reading is 2,800 CFM50 and a test-out reading is 1,750 CFM50 in the same home. What is the percentage reduction in envelope leakage?

• A22.5%
• B37.5%
• C45.0%
• D60.0%

Which of the following indicates a Building Tightness Limit (BTL) concern that the QCI must check after weatherization?

• ATest-out CFM50 falls below the BTL calculated for the building
• BTest-out CFM50 is exactly equal to the test-in value
• CBlower door fan rings are not installed
• DThe blower door manometer reads in Pascals rather than inches of water column

Per ANSI/BPI-1200, what reference pressure is used when measuring total duct leakage to outside with a duct blaster?

• A25 Pa with reference to outside
• B50 Pa with reference to outside
• C100 Pa with reference to outside
• D5 Pa with reference to outside

What is the main quality-control concern with duct leakage in unconditioned space?

• AIt increases electricity bills only
• BIt can drive supply leaks into the attic and return leaks from the crawlspace, harming ef…
• CIt improves combustion appliance draft
• DIt has no operational impact

When the QCI inspects installed air sealing at a top-plate penetration, which evidence best supports the measure?

• APhotograph of the unsealed condition only
• BPhotograph showing the penetration sealed with fire-rated foam or caulk appropriate for t…
• CA note that the contractor said it was sealed
• DThe contractor's invoice line item

Which fire-related concern does the QCI verify when reviewing air sealing around recessed lights in an insulated ceiling?

• AThat only IC-rated airtight (ICAT) fixtures are in direct contact with insulation
• BThat every fixture is wrapped in plastic
• CThat the recessed lights are removed
• DThat the fixtures be painted black

Which of the following is NOT an appropriate use of a thermal imaging camera during a QCI inspection?

• AIdentifying missing or compressed insulation in walls
• BLocating air leakage pathways under blower door depressurization
• CMeasuring exact R-value of installed insulation
• DDetecting moisture intrusion patterns in finished surfaces

During verification of attic insulation in a vented attic, the QCI must verify which of the following at eaves?

• AThat insulation completely blocks the soffit vents
• BThat baffles preserve ventilation airflow from soffit to ridge while insulation extends t…
• CThat ventilation has been entirely eliminated to reduce heat loss
• DThat foam is sprayed directly into the soffit

When verifying dense-pack cellulose installation in a sidewall cavity, which measurement is most diagnostic of an adequate density?

• AColor of the cellulose
• BInstalled density (typically 3.0-3.5 lb/ft3) determined by bag count and cavity volume or…
• CThe number of holes drilled per cavity
• DThe temperature in the room

What is the QCI's first step when a home was built before 1978 and includes painted surfaces disturbed by retrofit work?

• AVerify that EPA RRP (Renovation, Repair, and Painting) lead-safe practices were followed…
• BIgnore lead because weatherization is exempt
• CTest for asbestos only
• DSample paint chips themselves and send to a lab

Which scenario most likely indicates an environmental health concern that the QCI should refer rather than directly remediate?

• AA clogged kitchen exhaust fan
• BA small amount of dust on the supply registers
• CSuspect friable asbestos pipe insulation observed during basement air sealing
• DA loose attic hatch weatherstrip

Per ASHRAE 211 (Standard for Commercial Building Energy Audits), what is the primary purpose of the Level 1, 2, 3 audit framework?

• ATo rank residential auditors
• BTo define the depth of investigation, documentation, and analysis required at each commer…
• CTo assign letter grades to commercial buildings
• DTo rate combustion appliances

Which document does the QCI rely on for written, photographic, and measurement evidence to be reviewed after the on-site inspection?

• AThe inspection report (sometimes called the QC report or QCI report)
• BThe homeowner's insurance policy
• CA blank invoice
• DThe contractor's warranty card

A QCI finds that a kitchen range hood was installed but vents into the attic instead of outdoors. What is the appropriate finding?

• APass with note - venting inside the building is acceptable
• BFail - kitchen exhaust must terminate to the outdoors per ASHRAE 62.2 and applicable codes
• CPass - the contractor will fix it next year
• DDefer to the homeowner's preference

Why does the QCI verify that bathroom exhaust fans were measured for actual airflow rather than relying on the nameplate rating?

• ANameplates are rarely accurate
• BActual airflow depends on ducting, length, fittings, and external static pressure, which…
• CInspectors enjoy making more measurements
• DMeasurement is required only on commercial buildings

Which of the following is the QCI's responsibility in communicating with the homeowner?

• AExplain why the contractor took a long lunch
• BProvide a clear summary of inspection findings, including any safety issues and recommend…
• CDiscuss the contractor's pricing structure
• DRecruit the homeowner for utility marketing programs

A homeowner asks the QCI to make a small additional air-sealing repair while on-site. The repair is not in the work scope. What is the appropriate response?

• APerform the work to be helpful
• BDecline to perform installation work and document the request for the agency or contracto…
• CBill the homeowner directly for an upgrade
• DAdd it to the inspection findings as completed