How much does an energy audit cost?

<div>An <a href="https://www.angi.com/articles/how-much-does-energy-audit-cost.htm">energy audit costs</a> about $420 on average, ranging from $100 to $2,250, depending on the size of your home, property, location, and the tests the auditor needs to perform. Keep in mind that the 2022 Inflation Reduction Act’s Energy Efficient Home Improvement credit covers up to $150 of home energy audit costs. Common energy audit tests include:<ul><li>Blower door test: $350</li><li>Duct testing: $100</li><li>HERS test: $375</li><li>HERS certification: $200</li><li>Infrared imaging: $200</li></ul></div>

What does an energy audit include?

<div>The three levels of home energy audits include:<ul><li>Level 1: Review of your energy bills and home for signs of energy inefficiency and areas for improvement. The average cost range is $0.08 to $0.12 per square foot.</li><li>Level 2: A level 2 ASHRAE energy audit costs $0.12 and $0.35 per square foot. In-depth analysis of your energy usage and provides a report of cost-saving changes.</li><li>Level 3: Comprehensive analysis and detailed recommendations for ways to improve your home’s energy efficiency. A level 3 audit costs about $0.36 to $0.50 per square foot.</li></ul></div>

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*The Angi rating for Energy Efficiency Auditing companies in Mooresville, NC is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Energy Efficiency Auditing needs.

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Last update on April 05, 2025

Reviewed in September 2021
The guys did an outstanding job installing the radiant barrier and additional insulation in our attic space. They showed up early each day, laid down protective barrier on our floors and took care not to damage anything. They even took before and after photos for us to see and walked us thru the...
Standard Insulating Company
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Reviewed in December 2020
The whole process of contacting, scheduling, obtaining an estimate, and getting the work accomplished was very easy. All of my questions were thoroughly answered and my general sense was that they are honest folks. Never did they try to sell services that we were not needed or would have...
Standard Insulating Company
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Reviewed in December 2020
Duke Energy listed this firm on it's website as a go to for an energy efficiency audit. ...pleased with the information I learned from Marc during the audit, I secured their service to install insulation in the attic, crawl space, interior walls, and punctured drywall to blow insulation into...
Standard Insulating Company
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Reviewed in December 2020
They arrived 2 hours earlier than scheduled time. That was fine. The installers were in and out. Job well done. But we did have a little trouble getting our rebate. Whether it was the insulators or Duke Power fault we don't really know but we finally did get a $250.00 gift card.
Standard Insulating Company
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Reviewed in August 2019
I scheduled the appointment for the estimate and the man who came out explained the work that their company does. It explained why they use a radiant barrier instead of foam insulation very well. The work was scheduled and they showed up at the time expected and got to work. They were very...
Standard Insulating Company
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Reviewed in August 2019
Standard insulating was very professional from the consultation and quote, through the installation. They arrived on time, and completed the work in a swift manner performing all the work in an efficient manner. They protected my carpet effectively, and left no mess. My wife, who was at home...
Standard Insulating Company
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Reviewed in September 2018
VERY HAPPY with Standard Insulating. They gave a very competitive quote. They were able to do the work around my crazy schedule. David was very considerate of my budget and offered to do the work in stages at no extra cost. They did a really good job of cleaning the house after blowing the...
Standard Insulating Company
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Reviewed in August 2019
Very knowledgeable, informative and prompt quote, one of three coordinated by Duke Energy as part of their Home Energy House Call program. Marcus was very professional, personable, and polite. We would definitely consider Standard Insulation in the future.
Standard Insulating Company
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Reviewed in February 2019
I was referred to this company through the Duke Energy web site in my search for assistance with "fixing" some cold spots in my home. Marcus from the company evaluated my home by going in the attic and crawlspace and taking pictures, listened to the variety of my concerns and questions and...
Standard Insulating Company
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Reviewed in June 2014
He came out to do an attic inspection. When I explained some of the other issues (insulation falling off in the crawl space, etc.), he suggested that instead of this inspection, I do a whole-house insulation study with a draftmeter. He said there's no use spending his time today when he could...
Fan Man
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Energy efficiency auditors in Mooresville

Energy efficiency auditing services FAQs

An energy audit costs about $420 on average, ranging from $100 to $2,250, depending on the size of your home, property, location, and the tests the auditor needs to perform. Keep in mind that the 2022 Inflation Reduction Act’s Energy Efficient Home Improvement credit covers up to $150 of home energy audit costs. Common energy audit tests include:

Blower door test: $350
Duct testing: $100
HERS test: $375
HERS certification: $200
Infrared imaging: $200

To find a reputable energy auditor, find a local company that offers energy audit services. Research the company’s reviews, methods, and certifications to find a reliable professional in your area. The most reputable energy audit companies are HEP-certified by the Building Performance Institute (BPI). Be sure to check our state licensing tool to review the local energy auditor guidelines to ensure you’re hiring a certified professional.

The difference between an energy auditor and a home inspector is primarily in the purpose of the inspection. The energy auditor conducts tests in your home to determine the energy efficiency levels in areas like windows, insulation, and doorways. The auditor then makes recommendations for ways to improve a home’s energy efficiency.

A home inspector examines various structures of your home to determine that everything is up to code and gauge the condition of features like the roof, foundation, HVAC, and electrical. The home inspector reports on the overall home and makes repair recommendations.

Typically, a local home energy auditor is responsible for performing energy audits. A home energy auditor will conduct one of three energy audits designed by the American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE) to determine the energy efficiency of your home. The auditor often provides analysis that can help guide changes and improvements to your home for better energy efficiency, giving recommendations as necessary.

The three levels of home energy audits include:

Level 1: Review of your energy bills and home for signs of energy inefficiency and areas for improvement. The average cost range is $0.08 to $0.12 per square foot.
Level 2: A level 2 ASHRAE energy audit costs $0.12 and $0.35 per square foot. In-depth analysis of your energy usage and provides a report of cost-saving changes.
Level 3: Comprehensive analysis and detailed recommendations for ways to improve your home’s energy efficiency. A level 3 audit costs about $0.36 to $0.50 per square foot.

The homeowners guide to energy efficiency auditing services

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