Why WAP Compliance Matters
Weatherization programs operate under a uniquely complex compliance landscape. You must simultaneously satisfy DOE energy regulations (10 CFR 440), Department of Labor wage requirements (Davis-Bacon), technical installation standards (SWS), health and safety protocols, and general federal award requirements ( 2 CFR 200). A compliance failure in any one area can result in cost disallowances, corrective action requirements, increased monitoring, or in severe cases, loss of WAP funding. The mistakes described here are drawn from the most common findings across state and DOE monitoring visits nationwide.
1. Davis-Bacon Wage Violations
Davis-Bacon compliance is consistently the single most problematic area in WAP monitoring. The prevailing wage requirements are complex, county-specific, and carry serious consequences when violated. Common violations include:
- Wrong wage determination: Using the wage determination for the wrong county, or using an outdated determination when a new one has been published. Wage rates can change during a program year, and agencies must use the determination in effect at the time work begins.
- Worker misclassification: Classifying a worker as a "laborer" (lower rate) when they are performing "insulator" or "carpenter" work (higher rate). Each worker must be classified according to the actual work performed, not their job title.
- Incomplete certified payrolls: Failing to maintain weekly certified payroll records, or submitting payrolls that are unsigned, incomplete, or do not reconcile with timesheets.
- Fringe benefit miscalculations: Not properly accounting for the fringe benefit component of the prevailing wage, or failing to credit bona fide benefit plan contributions against the fringe requirement.
- Contractor non-compliance: Failing to flow Davis-Bacon requirements down to HVAC and other subcontractors, or not collecting and reviewing contractor certified payrolls.
How to Prevent It
Designate a Davis-Bacon compliance officer (even if it is a secondary duty for an existing staff member). This person should verify wage determinations before each job starts, review certified payrolls weekly, conduct periodic worker interviews to verify classifications, and ensure all contractor agreements include Davis-Bacon flow-down provisions. Invest in Davis-Bacon training for your fiscal staff — this is an allowable T&TA expenditure.
2. Incomplete Energy Audits
The energy audit is the technical foundation for every WAP job. When the audit is incomplete or inaccurate, every downstream decision — measure selection, SIR calculations, work orders, and final inspections — is compromised. Common audit deficiencies include:
- Missing or inaccurate building data: Incorrect square footage, wrong wall type, missing window measurements, or inaccurate HVAC system data entered into NEAT/MHEA. Garbage in, garbage out — if the building description is wrong, the SIR calculations are unreliable.
- Skipped diagnostic tests: Not performing blower door tests, duct leakage tests, or combustion safety tests that are required by the state's audit protocol. These tests provide the baseline data that the audit software needs to generate accurate results.
- Outdated library files: NEAT and MHEA use library files that contain local energy prices, weather data, and cost assumptions. If these files are not updated regularly, the SIR calculations will be based on outdated information.
- Audit not matching installed measures: The work order specifies measures based on the audit, but the crew installs different measures or different quantities than what the audit recommended. Any deviations must be reflected in a revised audit run.
How to Prevent It
Implement a quality check on every audit before it goes to production. Have a second auditor or the QC inspector review the building data input, verify diagnostic results, and confirm that the recommended measures make sense for the building type. Update NEAT/MHEA library files at least annually, and train auditors to document their field observations with photographs that support the data entries.
3. Failing SIR Documentation
Every energy conservation measure installed with WAP funds must have a documented SIR of 1.0 or greater. The most common SIR-related findings are:
- Measures installed below SIR 1.0: A measure showed an SIR below 1.0 in the audit but was installed anyway. This is a direct violation of 10 CFR 440 and can result in cost disallowance for the ineligible measure.
- No SIR printout in client file: The audit was run but the SIR documentation was not printed or saved in the client file. During monitoring, if you cannot produce the SIR documentation for an installed measure, it is treated as undocumented.
- SIR based on incorrect cost data: If the actual installation cost differs significantly from the cost assumption in NEAT/MHEA, the real SIR may be below 1.0 even though the modeled SIR passed. Auditors should use realistic local cost data in their library files.
How to Prevent It
Make SIR documentation a mandatory checklist item before any work order is approved for production. Print or export the audit report showing all recommended measures and their SIR values, and include it in the client file. If a crew leader identifies a need for an additional measure not in the original audit, require a revised audit run before the measure is installed.
4. Health and Safety Deferrals Without Proper Documentation
When a home presents health and safety hazards that exceed what WAP can address, the unit must be deferred. Deferral is the right decision in many cases, but the documentation around deferrals is often insufficient:
- Vague deferral reasons: Writing "health and safety issue" or "not suitable for weatherization" without specifying the actual hazard. The file must document the specific condition (e.g., "extensive mold in basement affecting 40% of floor area, exceeding H&S budget capacity").
- No referral documentation: Failing to document referrals to other programs that might be able to address the hazard. Even if no referral program exists, the file should note what alternatives were considered.
- Deferring when remediation is possible: Sometimes agencies defer units that could have been addressed within the H&S budget. If the hazard is within the scope and budget of WAP H&S allowances, deferral is not appropriate — the agency should address the hazard and proceed with weatherization.
How to Prevent It
Create a standardized deferral form that requires specific hazard identification, cost estimate for remediation, explanation of why the hazard exceeds WAP's capacity, referral actions taken, and client notification. Photograph the conditions that triggered the deferral. Review deferral rates quarterly — excessively high deferral rates may indicate auditors need additional H&S training or that your H&S budget allocation is insufficient.
5. Production Shortfalls
Failing to meet production targets is a high-visibility issue, particularly under BIL where DOE and Congress are watching production numbers closely. Common causes of shortfalls include:
- Unrealistic targets: Setting production targets higher than crew capacity can sustain, either to please the state or to justify a larger budget allocation. It is always better to set a realistic target and exceed it than to set an aspirational target and miss it.
- Workforce turnover: Losing trained crew members mid-year without being able to replace them. In the BIL era, competition for weatherization technicians has increased, making retention a critical challenge.
- Thin waitlists: Not having enough eligible applicants in the pipeline. If your intake and outreach are not generating sufficient applications, your crews will have idle time even when budgets are available.
- Excessive deferrals: A high deferral rate means audited homes are not entering production. If 30% or more of audited units are deferred, the agency must audit significantly more homes to meet production targets.
How to Prevent It
Track production weekly, not just quarterly. Maintain a pipeline dashboard showing units at each stage: application, audit scheduled, audit complete, in production, final inspection, and complete. If the pipeline is thinning at any stage, address it immediately. Invest in retention — competitive wages (supported by Davis-Bacon rates), training opportunities, and career pathways keep crews together. Build outreach into your routine operations, partnering with LIHEAP intake staff and community organizations to generate referrals.
6. Quality Control Inspection Failures
QC inspection findings indicate that completed work does not meet Standard Work Specifications. While individual inspection failures can be corrected, a pattern of failures signals systemic training or supervision deficiencies:
- Insufficient inspection coverage: Not meeting the minimum 5% inspection rate required by DOE (or the higher rate required by your state). If your state requires 10% and you are inspecting 6%, this is a finding regardless of the quality of the work.
- Inspector independence: The person who performed the audit or the installation is also conducting the QC inspection. This eliminates the independence that makes QC meaningful.
- Unresolved findings: QC inspections identify deficiencies but the crew never returns to correct them, or corrections are not documented.
How to Prevent It
Build QC into your production schedule from the start. For every 20 units (at 5%), one QC inspection should be scheduled. Ensure the inspector is someone other than the auditor and crew leader for that job. Create a tracking system for QC findings that documents the deficiency, the corrective action, the date of correction, and verification that the correction was completed. Use QC data as a training tool — if the same SWS deficiency appears repeatedly, it signals a gap in crew training that should be addressed through additional instruction.
7. Inadequate Crew Training and Certification
Under BIL's production expansion, many agencies have hired new crew members quickly to meet increased targets. Rushed onboarding without adequate training creates compliance and quality risks:
- Expired certifications: BPI certifications, lead-safe work credentials, and NEAT/MHEA certifications have expiration dates. If staff certifications lapse, work performed during the lapse may be questioned during monitoring.
- Insufficient SWS training: Crew members installing measures they have not been trained to install. Each crew member should have documented training in the specific SWS relevant to their work assignments.
- No training records: Training occurred but was not documented. Monitoring visits will request training records for every field staff member, and the absence of records is treated as the absence of training.
How to Prevent It
Maintain a training matrix showing each crew member's certifications, training completed, and upcoming renewal dates. Set calendar reminders for certification renewals at least 90 days before expiration. New hires should complete a structured onboarding program that includes both classroom and field mentoring before working independently. Use WAP T&TA funds for this purpose — that is exactly what they are for.
8. Poor Client File Documentation
The client file is the primary evidence of compliance for each weatherized unit. During monitoring, reviewers will examine a sample of client files and evaluate completeness. Files that are missing required elements create presumptions of non-compliance, even if the actual work was done correctly:
- Missing or incomplete income verification documentation
- No landlord permission form for rental units
- Unsigned client application or authorization forms
- Missing energy audit printout or SIR documentation
- No pre- and post-weatherization blower door results
- Work order not matching installed measures
- Final inspection report absent or incomplete
How to Prevent It
Create a file completeness checklist that must be signed off before a job is marked complete in your tracking system. Assign responsibility for file quality to a specific person (production coordinator, office manager, or designated file reviewer). Conduct internal file audits monthly — pull 10% of completed files and review against the checklist. Fix gaps in real time, before external monitoring catches them.
9. Not Maximizing BIL-Era Spending Limits
The BIL per-unit limit of $12,000 represents a significant increase over the regular $8,009 cap. However, some agencies are not taking full advantage of this expanded capacity:
- Applying old cost habits: Continuing to limit jobs to $8,009 worth of measures even when using BIL funds, resulting in less comprehensive treatments than the home could benefit from.
- Not identifying all eligible measures: Auditors trained under tighter cost constraints may unconsciously skip measures that would now pass the SIR test at the higher spending limit.
- Commingling regular and BIL funds: Failing to track regular appropriation and BIL expenditures separately, making it impossible to calculate per-unit averages accurately for each funding stream.
How to Prevent It
Train auditors to run NEAT/MHEA with updated cost assumptions reflecting the BIL per-unit limit. Encourage auditors to identify all cost-effective measures, not just the minimum package. Set up separate tracking codes in your accounting system for regular and BIL expenditures. Review per-unit averages by funding source monthly to ensure you are staying within limits for each stream.
10. Procurement Violations on Materials
Weatherization agencies purchase significant quantities of materials — insulation, HVAC equipment, caulk, weather stripping, and other supplies. These purchases must comply with 2 CFR 200 procurement standards, and violations are common:
- No competitive bidding: Purchasing materials or contractor services above the simplified acquisition threshold without obtaining competitive quotes. Even long-standing vendor relationships must be periodically re-competed.
- Conflict of interest: A staff member or board member has a financial interest in a vendor selected for WAP purchases. Written conflict-of-interest policies must be in place and enforced.
- Split purchasing: Breaking a large purchase into smaller amounts to stay below competitive bidding thresholds. This is a federal procurement violation regardless of intent.
- Missing documentation: Even when competitive procurement occurred, agencies often fail to retain the documentation (quotes received, evaluation criteria, selection rationale). Without documentation, compliance cannot be demonstrated.
How to Prevent It
Develop a written procurement policy that specifies dollar thresholds, required procedures at each level, and documentation requirements. Review the policy with all staff who make purchasing decisions. For recurring material purchases, establish blanket purchase agreements through a competitive process and re-compete them on a regular cycle. Maintain a procurement file for each vendor relationship that includes the competitive process documentation.
For a comprehensive overview of the regulatory requirements underlying these common mistakes, see the compliance section. For budget-related considerations, see budget management. For Single Audit requirements that compound these compliance risks for organizations with $750,000 or more in federal expenditures, see our compliance hub.