A - Air Leaks Assessment: Inspect for drafts and gaps around windows, doors, and other openings where air might escape.

B - Blower Door Test: A diagnostic tool used to measure the airtightness of a building by simulating wind pressure and identifying leakage points.

C - Combustion Appliance Inspection: Evaluate furnaces, water heaters, and boilers to ensure safe and efficient operation.

D - Ductwork Evaluation: Check ducts for leaks, insulation issues, and airflow problems, ensuring proper distribution of heated/cooled air.

E - Energy Consumption Analysis: Review past utility bills to analyze usage patterns and compare with local benchmarks.

F - Fan Power Measurement: Measure the efficiency of ventilation systems like exhaust fans and ceiling fans.

G - Gas Leak Detection: Ensure all gas appliances and lines are inspected for leaks or inefficiencies.

H - Heat Transfer Assessment: An evaluation of the walls, floors, and roof of a building for heat loss or gain and insulation performance.

I - Insulation Inspection: Assess the insulation levels in attics, walls, basements, and crawlspaces to improve thermal performance.

J - Joint Sealing: Examine and recommend sealing of gaps and joints in the building envelope to improve energy efficiency.

K - Kilowatt Hour (kWh) Monitoring: Use monitoring tools to track real-time energy consumption of appliances and systems.

L - Lighting Audit: Check lighting systems, including the use of LED or energy-efficient lighting, and assess opportunities for daylighting.

M - Moisture Control: Inspect areas prone to moisture buildup, such as basements or attics, which could affect insulation performance.

N - Natural Ventilation Review: Look for opportunities to improve natural ventilation and reduce dependence on mechanical systems.

O - Occupancy Patterns Analysis: Study how the building is used throughout the day, including heating and cooling needs based on occupancy.

P - Plug Load Assessment: Measure the energy consumed by electronics and appliances when plugged in, even in standby mode.

Q - Quality of Indoor Air: Test for indoor air quality issues like CO2 levels, volatile organic compounds (VOCs), and humidity.

R - Renewable Energy Potential: Evaluate the potential for adding solar panels, wind turbines, or other renewable energy sources.

S - Solar Heat Gain Evaluation: Assess how much solar energy is being absorbed by the building and how it affects heating and cooling loads.

T - Thermal Imaging: Use infrared cameras to detect hot or cold spots, indicating insulation gaps or air leaks.

U - Utility System Efficiency: Inspect water heaters, HVAC systems, and other utilities to ensure they are running efficiently.

V - Ventilation Efficiency: Measure the effectiveness of mechanical ventilation systems and identify any leaks or inefficiencies.

W - Window Efficiency: Inspect windows for energy efficiency, including glazing, seals, and potential upgrades to reduce heat loss.

X - eXhaust System Check: Verify the proper functioning of exhaust systems, such as kitchen and bathroom fans, for airflow and energy use.

Y - Year-Round Efficiency: Consider improvements that will maintain energy efficiency in both summer and winter months.

1. Energy Audit Process Overview: The energy audit typically involves three main steps: