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Best energy efficiency auditors near Mazon, IL

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Top-Rated Energy efficiency auditors in Mazon - Updated Nov 2026

Avatar for Perma-Seal Basement Systems
Perma-Seal Basement Systems
4.4(
1,537
)
Home Energy Audit

Serving Mazon, IL and surrounding areas

Approved

Super Service Award Winner

In business since 1979

Free estimates

Emergency services offered

"The gentleman that came to do the electric for my sump pump in the basement was a gentleman did great cleanup great work courteous kind very informative. This was the first step prior to having the drains put in. This was the Electrician and he was excellent."
Thermal imaging
Blower door test
Old insulation removal
New blown insulation
Perma-Seal Attic Insulation

+48

Response time1 day
Response rate100%
47 neighbors recently requested a quote
Avatar for Hunts Energy Solution Services
Hunts Energy Solution Services
5.0(
4
)
Energy Audit - For BusinessHome Energy Audit

Serving Mazon, IL and surrounding areas

In business since 2014

Free estimates

Warranties offered

H.E.S.S is a residential and commercial energy solution company, happy to help anyone with questions or concerns that may stem from a energy efficiency problem. We offer a wide range of services to insure you are getting the full bang from your buck out of your home and buildings energy efficiency. We range from performing energy audits to installing loose fillfiberglass and batting insulation to installing window tint and cleaning your solar panels. Give us a call and we will have a solution for you! We are taking necessary precautions and doing our part to keep our customers, employees, and community healthy by always wearing a fask mask while installing or providing any of our services!

Response time4 days
Response rate89%
Recommended by100%of homeowners
Avatar for R & G Heating and Cooling
R & G Heating and Cooling
5.0(
6
)
Energy Audit - For BusinessHome Energy Audit

Serving Mazon, IL and surrounding areas

In business since 2022

Free estimates

Credit card accepted

"Marco from R & G did an excellent job replacing the water heater at my rental property. I have called him many times for a variety of services at different locations. He is very professional, and I recommend him to anyone looking for HVAC services."
Recommended by100%of homeowners
northshore pressure washing
New to Angi
Energy Audit - For BusinessHome Energy Audit

Serving Mazon, IL and surrounding areas

In business since 2011

Free estimates

We are one of the largest energy consulting companies in the country. We offer Free Energy Forcasts to businesses across a wide variety of climate zones. When implemented, our recommendations can consistently save you 17-22% on your energy costs, in the first year. We offer a variety of products, from an all-inclusive fixed product, to a variable option and a hybrid. Call today to see what solutions we can offer you! References are available from very happy clients.

Hillcrest America
New to Angi
Energy Audit - For Business

Serving Mazon, IL and surrounding areas

In business since 2008

Free estimates

Credit card accepted

Hillcrest America has been synonymous with excellence in electrical contracting for nearly 70 years. We're currently expanding upon tradition and bringing our customers the latest energy technologies and systems to improve their efficiency. Our goal is to be your partner in improving your buildings energy efficiency with unique solutions and industry leading value. You can trust us to perform beyond expectations. Our obsessive devotion means each project is handled with care and in a professional manner. We've performed successful projects in nearly every industry. We're proud that some of the world's largest corporations have enjoyed the benefits of our solutions and strategies. The next time you're in the market for our services, don't hesitate to call and book an appointment today! Whether you're a Fortune 50 global company or a local small business, we'll work to provide you with the very best solutions, support and results. \n

A2 Engineering Services P.C
New to Angi
Home Energy Audit

Serving Mazon, IL and surrounding areas

In business since 2001

Free estimates

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

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Energy Efficiency Auditing FAQs, answered by experts

Energy output depends on turbine size, average wind speed at your site, and system efficiency. A 5 kW turbine in a good wind location can generate 8,000 to 12,000 kilowatt-hours per year, which may cover a large portion of an average home’s needs. Accurate output estimates require a professional wind assessment and a review of your household’s energy usage patterns.

If you have central air conditioning, it’s fine to run your AC all day if that’s what you want—as long as the AC unit is in good condition. But if your AC runs constantly when you don’t want it to, there may be a problem with your system (like the ones we’ve mentioned above). Window AC units and wall air conditioners aren’t as powerful as central AC, so you should only run those kinds of air conditioners for eight to 12 hours at a time.

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.

You can increase your home’s load factor by replacing fuse boxes with a circuit breaker, hiring a licensed electrician to upgrade your electrical panel, upgrading wiring, or installing subpanels. An electrical inspection by an expert can help determine the state of your current electrical systems and how they can be improved.

Yes, including optimizing settings and suggesting upgrades if needed.

The Mazon, IL homeowners’ guide to energy efficiency auditing services

From average costs to expert advice, get all the answers you need to get your job done.