Top-rated energy efficiency auditors.

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There are 5 highly-rated local energy efficiency auditors.

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Avatar for True Tech

True Tech

P.O. Box 2329; 924 A&A Drive
4.33(
6
)
Approved Pro

True Tech

P.O. Box 2329; 924 A&A Drive
4.33(
6
)
Approved Pro
Customers say: Super punctual
124 local quotes requested
47 years of experience

In Business since 1978. Subcontracting available, On site, Monthly and Quarterly billing. We offer full service in HVAC, Electrical, Security with Installation and Monitoring, and Security Cameras for home and business. Our mission is to provide the highest level of customer satisfaction by treating our client's property as our own. We serve both residential and commercial and offer a variety of money-saving solutions. We combine our use of the highest quality parts and equipment, and our dedication to deliver exceptional service to provide you with top quality service. Your safety and comfort is our goal! Ask about "The Club" Membership today and see what it offers. Call us today to set up an appointment! We will be glad to assist you in all your needs!

"Thank you very much for the professional job. They gave me a very fair quote and completed the job in a timely manner. I am very happy with the work that they did and would hire them again. Thanks again."

Mark N on May 2025

In Business since 1978. Subcontracting available, On site, Monthly and Quarterly billing. We offer full service in HVAC, Electrical, Security with Installation and Monitoring, and Security Cameras for home and business. Our mission is to provide the highest level of customer satisfaction by treating our client's property as our own. We serve both residential and commercial and offer a variety of money-saving solutions. We combine our use of the highest quality parts and equipment, and our dedication to deliver exceptional service to provide you with top quality service. Your safety and comfort is our goal! Ask about "The Club" Membership today and see what it offers. Call us today to set up an appointment! We will be glad to assist you in all your needs!

"Thank you very much for the professional job. They gave me a very fair quote and completed the job in a timely manner. I am very happy with the work that they did and would hire them again. Thanks again."

Mark N on May 2025


Efficiency 1st

4988 Hot Rod Road
No reviews yet

Efficiency 1st

4988 Hot Rod Road
No reviews yet
3 years of experience

Welcome to Efficiency 1st, your trusted partner in creating a more comfortable, healthier, and energy-efficient home. Our team's deep expertise in building science, coupled with a commitment to sustainability, enables us to take a holistic, performance-based approach to your home's energy retrofit needs. Whether you're looking to enhance your indoor air quality, improve your home's insulation, or simply wish to lower your energy bills, we're here to guide you every step of the way. Together, let's unlock the potential of your home and contribute to a more sustainable future.

Welcome to Efficiency 1st, your trusted partner in creating a more comfortable, healthier, and energy-efficient home. Our team's deep expertise in building science, coupled with a commitment to sustainability, enables us to take a holistic, performance-based approach to your home's energy retrofit needs. Whether you're looking to enhance your indoor air quality, improve your home's insulation, or simply wish to lower your energy bills, we're here to guide you every step of the way. Together, let's unlock the potential of your home and contribute to a more sustainable future.


Avatar for RSS Solar

RSS Solar

Aurora Ave.
No reviews yet

RSS Solar

Aurora Ave.
No reviews yet
Free onsite estimate

We make solar simple-- We are dedicated to making solar energy affordable and accessible to everyone-- with ZERO upfront costs.* Your home can become its own tiny power station and generate plenty of reliable energy, all while reducing your electricity bill. Plus, it doesn't hurt that your greener lifestyle will help your state achieve its renewable energy goals.

We make solar simple-- We are dedicated to making solar energy affordable and accessible to everyone-- with ZERO upfront costs.* Your home can become its own tiny power station and generate plenty of reliable energy, all while reducing your electricity bill. Plus, it doesn't hurt that your greener lifestyle will help your state achieve its renewable energy goals.


Avatar for RetroFoam of the Carolinas

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


Avatar for EcoGreen Home Services

EcoGreen Home Services

20100 Zion Ave
5.00(
10
)

EcoGreen Home Services

20100 Zion Ave
5.00(
10
)
Customers say: Quick response
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers

Our vision is to create a better tomorrow by offering Plumbing, Electrical, HVAC equipment and indoor air quality products that offers the highest level of efficiency and keeps your home and family safe, clean and comfortable. We hope that you will join us.

"Austin and his partner's professional service was what the doctor ordered. Respectful and courteous,you couldn't ask for better service!"

Anthony J on October 2025

Our vision is to create a better tomorrow by offering Plumbing, Electrical, HVAC equipment and indoor air quality products that offers the highest level of efficiency and keeps your home and family safe, clean and comfortable. We hope that you will join us.

"Austin and his partner's professional service was what the doctor ordered. Respectful and courteous,you couldn't ask for better service!"

Anthony J on October 2025


"We will never use this company again. They were not upfront on their labor charge for a part under warranty and then threatened us to send us to collections when we asked to meet them half way. They also tried selling us an air scrubber yet neglected to tell us the reason we are having a mold issue is because the seal between the house and the unit has holes in it. They also did not put back things moved to get to the unit and crawl space. It is unfortunate that there are companies out there who choose to do business in this manor."

Colleen S on December 2022

Since 2012, Air Tech has offered quality services with professional attention that our clients deserve. Contact us to know more about Air conditioning repair service.

"We will never use this company again. They were not upfront on their labor charge for a part under warranty and then threatened us to send us to collections when we asked to meet them half way. They also tried selling us an air scrubber yet neglected to tell us the reason we are having a mold issue is because the seal between the house and the unit has holes in it. They also did not put back things moved to get to the unit and crawl space. It is unfortunate that there are companies out there who choose to do business in this manor."

Colleen S on December 2022


Avatar for Comfort First Heating and Cooling - Charlotte

Comfort First Heating and Cooling - Charlotte

646 Matthews Mint Hill Rd
4.67(
121
)

Comfort First Heating and Cooling - Charlotte

646 Matthews Mint Hill Rd
4.67(
121
)
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



Avatar for USA Alarm Service, Inc

USA Alarm Service, Inc

510 S Clearwater Loop
No reviews yet

USA Alarm Service, Inc

510 S Clearwater Loop
No reviews yet
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.


"Thank you Arce. Friday night my air conditioner stopped working. Called Arce. They sent a tech out within an hour. Alijandro found the problem quickly, replaced the part and explained everything he was doing. He was very knowledgeable, and professional. No hard upsell and customer service was excellent. Great experience."

Kerry A on August 2024

We take care of all your heating and cooling needs, maintenance, repair and replacements. We will "Leave your home better than when we arrived!"

"Thank you Arce. Friday night my air conditioner stopped working. Called Arce. They sent a tech out within an hour. Alijandro found the problem quickly, replaced the part and explained everything he was doing. He was very knowledgeable, and professional. No hard upsell and customer service was excellent. Great experience."

Kerry A on August 2024

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Energy Efficiency Auditing questions, answered by experts

Yes, barndominiums are energy-efficient as long as insulation professionals properly install quality insulation, windows, and doors. Utility bills for barndo living can be up to 50% lower than those for a traditional home.  Make your barndo more energy efficient by working with contractors and HVAC professionals to strategically place windows, doors, and heating/cooling systems. 

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.

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.

R-value is calculated by dividing the thickness of an insulation material by its thermal conductivity. The material's composition and density influence thermal conductivity. Materials with lower conductivity values provide better insulation. The higher the R-value, the better the material is at insulating, helping homeowners select insulation that meets the energy needs of their climate and home layout.

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 Harmony, NC homeowners’ guide to energy efficiency auditing services

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