Austin Energy Conservation Audit

Austin Energy will provide homeowners or prospective buyers with information on the energy-efficiency improvements received by a home through Austin Energy programs. This information includes dates of energy-efficiency improvements or rebates, and dates and details of free energy-efficiency improvements. Call 974-7827 or email Austin Energy with the address of the home and your telephone number.


ECAD Exemption List

Austin Energy also makes available to homeowners a useful ECAD Exemption List.


Single-Family Home Audit

If the home is not exempt or does not qualify for a variance, it needs an ECAD audit.


ECAD Auditors

The ECAD audit must be performed by an auditor who is a certified Residential Energy Services Network (RESNET) Rater or a Building Performance Institute (BPI) Building Analyst Professional. See a list of certified ECAD auditors who have registered with Austin Energy.


What the Auditor Does

An ECAD audit takes about one hour per thousand square feet of property. The ECAD auditor:

Inspects and measures the attic insulation in multiple areas

Pressure tests the duct system and assesses its condition and adequacy

Examines heating and cooling equipment

Inspects weather stripping around exterior doors, plumbing penetrations beneath sinks, and air tightness of attic entries

Identifies and measures the amount of glass in windows that receive more than one hour of direct sunlight each day

Audit Costs

ECAD audits are comprehensive and require specialized equipment for testing the duct system. The estimated cost of an audit is from $200 to $300 for a typical single-family home, 1,800 square feet or smaller, with one air-conditioning system. Auditors set their own prices.


Audit Results

After the audit, the auditor provides the homeowner with the audit report. It includes:

Condition and estimated R-value of the attic insulation

Percentage of air leakage from the duct system and the system’s general condition

Age, efficiency, and overall condition of the heating and cooling equipment

Air leakage around exterior doors, plumbing penetrations beneath sinks, and attic entries

Total square feet of glass and location of windows receiving more than one hour of direct sunlight each day

Opportunities for improving the energy-efficiency of the home

Within 30 days, the auditor sends the audit to Austin Energy, and we enter the information into a database. Austin Energy also runs spot checks of ECAD audits to ensure the quality of the program.


Energy-Efficiency Improvements

The ECAD ordinance does not require homeowners to make energy-efficiency improvements. However, Austin Energy offers rebates and low-cost loans to homeowners who want to improve their home’s energy efficiency.



Non-compliance with the ECAD ordinance is a Class C Misdemeanor. Reported violations will be forwarded to the City of Austin Legal Department for review and action.

These rules do not apply to new homes in the City Of Austin.

Call Terry Williams with Lux Port Group at 512-699-4868 if you need help with selling your home in Austin and adhering to these guidelines.


Texas law requires all real estate licensees to give the following information about brokerage services to prospective buyers, tenants, sellers and landlords.

Information About Brokerage Services
Consumer Protection Notice

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Terry Williams
Phone: 512-699-4868

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