Top-rated energy efficiency auditors.

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Energy efficiency auditors in Oakboro

Home Shield Insulation
11107 Painted Tree Road
5.00(
6
)
Home Shield Insulation
11107 Painted Tree Road
5.00(
6
)
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

We are new to Angie’s but are experienced with anything insulation related! Home Shield Insulation is proud to bring the benefits of energy efficiency, comfort, and improved air quality to home owners in the Charlotte metro area.

"It went great! Awesome team and good prices. Really appreciate the work!"

Olivia B on February 2025

We are new to Angie’s but are experienced with anything insulation related! Home Shield Insulation is proud to bring the benefits of energy efficiency, comfort, and improved air quality to home owners in the Charlotte metro area.

"It went great! Awesome team and good prices. Really appreciate the work!"

Olivia B on February 2025


RetroFoam of the Carolinas
313 Motz Ave
5.00(
4
)
RetroFoam of the Carolinas
313 Motz Ave
5.00(
4
)
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

RetroFoam of the Carolinas is an insulation contractor that provides injection and open and closed cell spray foam insulating solutions for existing homes, new homes, and pole barns across the Carolinas and Virginia. Our mission is to help homeowners minimize their energy waste and create more energy-efficient, healthy, quieter homes. RetroFoam of the Carolinas is operated by a fun-loving team of construction professionals with over 25 years of experience in the industry. The team comprises service-minded, problem-solving people that are excited to talk to you at your level of expertise. Happy clients and energizing relationships are what get us up in the morning. We are always quick with a smile, and always excited to talk with anyone about how to make their homes more comfortable.

"The crew from RetroFoam handled our project great from start to finish. The team was very professional and got everything done the way we expected. Would definitely recommend!"

Shaun W on November 2021

RetroFoam of the Carolinas is an insulation contractor that provides injection and open and closed cell spray foam insulating solutions for existing homes, new homes, and pole barns across the Carolinas and Virginia. Our mission is to help homeowners minimize their energy waste and create more energy-efficient, healthy, quieter homes. RetroFoam of the Carolinas is operated by a fun-loving team of construction professionals with over 25 years of experience in the industry. The team comprises service-minded, problem-solving people that are excited to talk to you at your level of expertise. Happy clients and energizing relationships are what get us up in the morning. We are always quick with a smile, and always excited to talk with anyone about how to make their homes more comfortable.

"The crew from RetroFoam handled our project great from start to finish. The team was very professional and got everything done the way we expected. Would definitely recommend!"

Shaun W on November 2021


T. Byrd's Heating and Air LLC
201 Easy St
5.00(
6
)
T. Byrd's Heating and Air LLC
201 Easy St
5.00(
6
)
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Heating & A/C, Energy Efficiency Auditing

"They were great to work with and quick, polite and explained the timeline of needing to replace the unit and my repair cost would go towards the replacement."

Susan E on July 2020

Heating & A/C, Energy Efficiency Auditing

"They were great to work with and quick, polite and explained the timeline of needing to replace the unit and my repair cost would go towards the replacement."

Susan E on July 2020


Comfort First Heating and Cooling - Charlotte
646 Matthews Mint Hill Rd
4.55(
129
)
Comfort First Heating and Cooling - Charlotte
646 Matthews Mint Hill Rd
4.55(
129
)
Customers say: Super punctual
15 years of experience

If you want to stay cool and comfortable in Charlotte, North Carolina, then the Comfort First team is the one to call! We specialize in AC repair, maintenance, and installation to keep your family happy and healthy in the sweltering southern summers. Since 2010 our customers in Charlotte have been completely satisfied with our state of the art AC repair and maintenance!

"Great. Quick install"

Roger M on July 2024

If you want to stay cool and comfortable in Charlotte, North Carolina, then the Comfort First team is the one to call! We specialize in AC repair, maintenance, and installation to keep your family happy and healthy in the sweltering southern summers. Since 2010 our customers in Charlotte have been completely satisfied with our state of the art AC repair and maintenance!

"Great. Quick install"

Roger M on July 2024


German Auto Supply Ltd.
Huntersville, NC 28070
No reviews
German Auto Supply Ltd.
Huntersville, NC 28070
No reviews
23 years of experience

Welcome and thank you for visiting German Auto Supply. We promise to offer only the highest quality OE and OEM products for German cars.

Welcome and thank you for visiting German Auto Supply. We promise to offer only the highest quality OE and OEM products for German cars.


USA Alarm Service, Inc
510 S Clearwater Loop
No reviews
USA Alarm Service, Inc
510 S Clearwater Loop
No reviews
29 years of experience

USA Alarm is a national company that has more than two decades of experience and an award winning command center that protects more than 700,000 homes and businesses through the United States, 24 hours a day and 7 days a week. We have offices located throughout the US, with two main offices in Indianapolis, Indiana and Post Falls, Idaho.

USA Alarm is a national company that has more than two decades of experience and an award winning command center that protects more than 700,000 homes and businesses through the United States, 24 hours a day and 7 days a week. We have offices located throughout the US, with two main offices in Indianapolis, Indiana and Post Falls, Idaho.


Freedom Dog Fence
269 Ridge St
4.86(
23
)
Freedom Dog Fence
269 Ridge St
4.86(
23
)
Customers say: True professional
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers

Freedom Dog Fence is an electronic dog fencing system that is installed underground by burying a single wire as a complete loop along the entire perimeter of your property. This underground boundary can also include or exclude certain portions of your yard, such as a pool or garden. Your dog is safely contained within your yard and allowed to roam free with sections of your yard blocked to keep your garden and landscaping safe. Your dog can even be trained to stay out of your pool! Dogs live to run free, and keeping your dog safe in your yard gives you both the freedom to relax when you are outside.

"Excellent repair job with absolutely no complaints. This review is after posting a 3 star review a few days ago for not returning my phone calls. I was contacted on Monday and given an apology with explanation that the company had been short staffed and had tried to contact me earlier, apparently the call going to my Spam box. On 12-14-22, Tyler arrived at 11 AM and immediately went to work to locate the trouble with my underground dog fence. Apparently several breaks were located and repaired, about a 2 hour job. Tyler was very professional and apologetic for not getting out sooner and reduced my service bill by 50% for any inconvenience experienced. I tried to remove the earlier comments posted a few days back but was unsuccessful, thus this new review. Outstanding and pleased with the repair."

James M on December 2022

Freedom Dog Fence is an electronic dog fencing system that is installed underground by burying a single wire as a complete loop along the entire perimeter of your property. This underground boundary can also include or exclude certain portions of your yard, such as a pool or garden. Your dog is safely contained within your yard and allowed to roam free with sections of your yard blocked to keep your garden and landscaping safe. Your dog can even be trained to stay out of your pool! Dogs live to run free, and keeping your dog safe in your yard gives you both the freedom to relax when you are outside.

"Excellent repair job with absolutely no complaints. This review is after posting a 3 star review a few days ago for not returning my phone calls. I was contacted on Monday and given an apology with explanation that the company had been short staffed and had tried to contact me earlier, apparently the call going to my Spam box. On 12-14-22, Tyler arrived at 11 AM and immediately went to work to locate the trouble with my underground dog fence. Apparently several breaks were located and repaired, about a 2 hour job. Tyler was very professional and apologetic for not getting out sooner and reduced my service bill by 50% for any inconvenience experienced. I tried to remove the earlier comments posted a few days back but was unsuccessful, thus this new review. Outstanding and pleased with the repair."

James M on December 2022


Solar Wolf Energy
2.00(
2
)
Solar Wolf Energy
2.00(
2
)
10 years of experience

Solar Wolf is a full service solar company with a great reputation and an old world belief to our customers. To under-promise and over-deliver, period. We have 18 years experience in construction, remodeling, roofing, solar water heaters, solar pv systems, battery back-up systems and much more. See what Solar Wolf Energy can do for you!

Solar Wolf is a full service solar company with a great reputation and an old world belief to our customers. To under-promise and over-deliver, period. We have 18 years experience in construction, remodeling, roofing, solar water heaters, solar pv systems, battery back-up systems and much more. See what Solar Wolf Energy can do for you!


Wilson Heating & Air
2602 Marshville-Olive Branch Rd
4.46(
13
)
Wilson Heating & Air
2602 Marshville-Olive Branch Rd
4.46(
13
)
Customers say: Terrific value
10 years of experience

Wilson Heating & Air was founded on the principles of great customer service, quality work, & unbeatable prices! We are here to serve you!

"I was assigned Wilson’s HVAC by AHS 7/10. The technician Scott came out 7/13 and made the assessment that my first stage compressor on my Trane unit was not working and would call in the repair to AHS to have it replaced or repaired. I had independently had another HVAC company come out and they made the same assessment so I knew he was being honest. I stood there with Scott as he diagnosed the issue and told me on 7/13 that he would call it in to AHS to have the system replaced since the faulty compressor was on an r22 unit and would ask for AHS to replace the entire unit. I then heard nothing from Wilson’s HVAC or AHS over the next week. I grew concerned and called on Thursday to see what the status was and learned that they had not even contacted AHS yet on the repair and claimed they had sent me a quote for thousands of dollars to upgrade my system. It was also at this point that I was told that Scott the technician was now claiming that the compressor was in fact not faulty. So here is the rundown so far: first Scott comes out and I witness him checking the compressor and him telling me it’s bad while I’m standing there. Tells me he’s calling it in to be fixed that day...he doesn’t, I call on Thursday and learn nothing has been done but the diagnosis has been mysteriously changed from a faulty compressor to nothing was wrong with my system (even though it was not cooling) but instead sent a quote to upgrade my system 4 days later when I call wondering what is going on. When I called Thursday the lady that handled the customers waffled back and forth when I was surprised that they were now saying that the compressor is good 4 days after telling me it was shot. She said that she would correct it and submit it to AHS with the original diagnosis that day. I call back Friday to check if it had been submitted yet and the folks working the phones did everything thing they could to avoid taking my call. I then call Monday morning 7/20 and I was told that the diagnosis was changed again...this time it was working. When I called out the inconsistency and apparent misrepresentations that were being thrown back and forth by their company to my self and AHS I was told that they would transfer the ticket to another company."

Nathan B on July 2020

Wilson Heating & Air was founded on the principles of great customer service, quality work, & unbeatable prices! We are here to serve you!

"I was assigned Wilson’s HVAC by AHS 7/10. The technician Scott came out 7/13 and made the assessment that my first stage compressor on my Trane unit was not working and would call in the repair to AHS to have it replaced or repaired. I had independently had another HVAC company come out and they made the same assessment so I knew he was being honest. I stood there with Scott as he diagnosed the issue and told me on 7/13 that he would call it in to AHS to have the system replaced since the faulty compressor was on an r22 unit and would ask for AHS to replace the entire unit. I then heard nothing from Wilson’s HVAC or AHS over the next week. I grew concerned and called on Thursday to see what the status was and learned that they had not even contacted AHS yet on the repair and claimed they had sent me a quote for thousands of dollars to upgrade my system. It was also at this point that I was told that Scott the technician was now claiming that the compressor was in fact not faulty. So here is the rundown so far: first Scott comes out and I witness him checking the compressor and him telling me it’s bad while I’m standing there. Tells me he’s calling it in to be fixed that day...he doesn’t, I call on Thursday and learn nothing has been done but the diagnosis has been mysteriously changed from a faulty compressor to nothing was wrong with my system (even though it was not cooling) but instead sent a quote to upgrade my system 4 days later when I call wondering what is going on. When I called Thursday the lady that handled the customers waffled back and forth when I was surprised that they were now saying that the compressor is good 4 days after telling me it was shot. She said that she would correct it and submit it to AHS with the original diagnosis that day. I call back Friday to check if it had been submitted yet and the folks working the phones did everything thing they could to avoid taking my call. I then call Monday morning 7/20 and I was told that the diagnosis was changed again...this time it was working. When I called out the inconsistency and apparent misrepresentations that were being thrown back and forth by their company to my self and AHS I was told that they would transfer the ticket to another company."

Nathan B on July 2020


Power Home Solar
919 N Main St
4.25(
4
)
Power Home Solar
919 N Main St
4.25(
4
)
Customers say: Quality work
19 years of experience

Power Home Solar is a provider of residential solar energy systems for the North Carolina Area. We provide an excellent service from the survey appointment through commissioning of our systems. We pride ourselves in our ability to provide a quality solar energy system with $0 down. Additional email address - [email protected]. Please call us at 704.237.3928: to get a quote for your Solar project.

Power Home Solar is a provider of residential solar energy systems for the North Carolina Area. We provide an excellent service from the survey appointment through commissioning of our systems. We pride ourselves in our ability to provide a quality solar energy system with $0 down. Additional email address - [email protected]. Please call us at 704.237.3928: to get a quote for your Solar project.

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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.

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