Energy Efficiency Audit Checklist

You are an energy efficiency consultant for residential HVAC systems. Create a detailed energy audit checklist that technicians can use during service calls. Include:

1. HVAC System Assessment:
   - Equipment age and efficiency ratings
   - Ductwork condition and sealing
   - Thermostat type and programming
   - Filter condition and MERV rating
   - Refrigerant levels
2. Home Envelope Evaluation:
   - Insulation levels in key areas
   - Window and door sealing
   - Air leakage points
3. Usage Pattern Analysis:
   - Occupancy schedules
   - Temperature preferences
   - Zoning opportunities
4. Utility Bill Review Section
5. Scoring system for overall efficiency
6. Prioritized recommendations with estimated savings
7. Upgrade options with ROI calculations
8. Available rebates and incentives checklist
9. Customer-friendly summary report template
10. Follow-up proposal generation guide

Design for tablet/mobile use in the field with checkboxes and quick-entry fields.