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Verified Reviews for Energy Efficiency Auditing pros in Grantville, GA
*The Angi rating for Energy Efficiency Auditing companies in Grantville, GA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Energy Efficiency Auditing needs.
*The HomeAdvisor rating for Energy Efficiency Auditing companies in Grantville, GA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Energy Efficiency Auditing needs.
Last update on November 24, 2025
Find Energy efficiency auditors in Grantville

Coolray Heating & Air Conditioning
Coolray Heating & Air Conditioning
Coolray has served the Atlanta metro area since 1966 and offers professional heating, air conditioning, plumbing and electrical. We base our business principles on people helping people with honest, dependable service backed by our peace of mind warranties and guarantees ensuring your 100% satisfaction. 350 employees. No subs. Charges a flat rate. Senior Discount on Service Repairs only, cannot be used with other offers.
"Stephen and Randy Arrived early, worked professionally and efficiently. Left everything neat and clean and explained to me the installation and the functions of the thermostat and how to change the filter. Very happy with their work."
Maria P on November 2025
Coolray has served the Atlanta metro area since 1966 and offers professional heating, air conditioning, plumbing and electrical. We base our business principles on people helping people with honest, dependable service backed by our peace of mind warranties and guarantees ensuring your 100% satisfaction. 350 employees. No subs. Charges a flat rate. Senior Discount on Service Repairs only, cannot be used with other offers.
"Stephen and Randy Arrived early, worked professionally and efficiently. Left everything neat and clean and explained to me the installation and the functions of the thermostat and how to change the filter. Very happy with their work."
Maria P on November 2025

R Wiley Heating & Air
R Wiley Heating & Air
Super Service Award Winner for 2024-2013 | HVAC Contractor | Owner Operated by Robby Wiley | We are a local Heating and Air Conditioning company in the metro Atlanta and surrounding areas. We offer FREE ESTIMATES on installations only and financing options including 18 months same as cash on all equipment and 60 months same as cash for certain equipment. We provide services to residential and small commercial customers. I have been in the industry for 30 years and enjoy helping my customers maintain their equipment and overcome issues with their equipment. I will work with you and offer recommendations based on your needs. I will make myself available to answer questions you may have without requiring a service call, again I enjoy what I do.
"Good."
Brent L on April 2025
Super Service Award Winner for 2024-2013 | HVAC Contractor | Owner Operated by Robby Wiley | We are a local Heating and Air Conditioning company in the metro Atlanta and surrounding areas. We offer FREE ESTIMATES on installations only and financing options including 18 months same as cash on all equipment and 60 months same as cash for certain equipment. We provide services to residential and small commercial customers. I have been in the industry for 30 years and enjoy helping my customers maintain their equipment and overcome issues with their equipment. I will work with you and offer recommendations based on your needs. I will make myself available to answer questions you may have without requiring a service call, again I enjoy what I do.
"Good."
Brent L on April 2025

Casteel Heating, Cooling, Plumbing & Electrical
Casteel Heating, Cooling, Plumbing & Electrical
**2018, 2017, 2016,2015, 2014, & 2013 SUPER SERVICE AWARD WINNER!** During the past 30 years, Casteel Heating and Cooling has been one of the most respected names in metro Atlanta for heating and air conditioning. Since then we have grown and added a Plumbing and Electrical division with some of the industries best technicians! We are now offering experts in hydro jetting to clear even the worst clogged drains in your commercial or residential property. With over 30,000 5 star and A+reviews, the #1 Plumber in Atlanta as voted by Atlanta Home Improvement Magazine, and having been awarded Top 25 Small Business of the year -7 times in a row, Casteel is your only call to have your home repairs completed in a timely and budget friendly manner by the best! When we say "We'll take Amazing Care of You," we guarantee it! Your Amazing Care continues to our craftsmanship, technician know how, and even to the job clean up. Your home will be left as if we were never there. Knowing that you are a satisfied customer is our top priority and each survey is personally seen and responded to. As one of the top Heating, Cooling, Plumbing and Electrical companies in the metro Atlanta area, Casteel is your one and only call for your home service needs.
"I used Casteel Plumbing and HVAC services. Both technicians were friendly and prompt with their services."
Brittni R on August 2025
**2018, 2017, 2016,2015, 2014, & 2013 SUPER SERVICE AWARD WINNER!** During the past 30 years, Casteel Heating and Cooling has been one of the most respected names in metro Atlanta for heating and air conditioning. Since then we have grown and added a Plumbing and Electrical division with some of the industries best technicians! We are now offering experts in hydro jetting to clear even the worst clogged drains in your commercial or residential property. With over 30,000 5 star and A+reviews, the #1 Plumber in Atlanta as voted by Atlanta Home Improvement Magazine, and having been awarded Top 25 Small Business of the year -7 times in a row, Casteel is your only call to have your home repairs completed in a timely and budget friendly manner by the best! When we say "We'll take Amazing Care of You," we guarantee it! Your Amazing Care continues to our craftsmanship, technician know how, and even to the job clean up. Your home will be left as if we were never there. Knowing that you are a satisfied customer is our top priority and each survey is personally seen and responded to. As one of the top Heating, Cooling, Plumbing and Electrical companies in the metro Atlanta area, Casteel is your one and only call for your home service needs.
"I used Casteel Plumbing and HVAC services. Both technicians were friendly and prompt with their services."
Brittni R on August 2025
Moncrief Heating & Air Conditioning
Moncrief Heating & Air Conditioning
For more than 118 years, we’ve been proudly turning houses into comfortable homes. It’s how we've become Atlanta's most trusted heating and cooling company. Along the way, we discovered something important...becoming a leader isn’t just about installing systems or maintaining equipment. It’s about instilling trust in our customers. We work hard to respect people’s homes and businesses, provide the most energy efficient solutions, and never forget that where we do our job is where you live and work.
"They were on time, kept the work area clean, we very polite and professional, did a great job."
George B on December 2020
For more than 118 years, we’ve been proudly turning houses into comfortable homes. It’s how we've become Atlanta's most trusted heating and cooling company. Along the way, we discovered something important...becoming a leader isn’t just about installing systems or maintaining equipment. It’s about instilling trust in our customers. We work hard to respect people’s homes and businesses, provide the most energy efficient solutions, and never forget that where we do our job is where you live and work.
"They were on time, kept the work area clean, we very polite and professional, did a great job."
George B on December 2020
Brown Property Inspections Corp
Brown Property Inspections Corp
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 the start to the 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.
"Absolutely superb! This company is reliable, professional and prompt! I appreciate the service! I highly recommend their expertise!"
Brandon S on September 2025
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 the start to the 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.
"Absolutely superb! This company is reliable, professional and prompt! I appreciate the service! I highly recommend their expertise!"
Brandon S on September 2025
The Solar Guru
The Solar Guru
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.
"Kyle Dunn is the best"
John A on June 2021
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.
"Kyle Dunn is the best"
John A on June 2021

Aladdin Insulation & Home Improvement
Aladdin Insulation & Home Improvement
Over 10 years Super Service Award winners! At Aladdin, we appreciate the opportunity to share information about making your home more energy efficient and affordable to heat and cool. We use Guaranteed Products with Guaranteed Savings. We offer full service capabilities including exterior design, product selection and special financing for homeowners. We provide free, no hassle estimates.
"The workers were an hour late but called to let me know. When they got here, they got right to work and completed the work within an hour and a half. They were professional, courteous, and left my house looking like they had never been here. Eric K came out to estimate the job and fully explained the work they would perform. All in all, I would definitely recommend Aladdin for blown in insulation."
Gregg R on July 2022
Over 10 years Super Service Award winners! At Aladdin, we appreciate the opportunity to share information about making your home more energy efficient and affordable to heat and cool. We use Guaranteed Products with Guaranteed Savings. We offer full service capabilities including exterior design, product selection and special financing for homeowners. We provide free, no hassle estimates.
"The workers were an hour late but called to let me know. When they got here, they got right to work and completed the work within an hour and a half. They were professional, courteous, and left my house looking like they had never been here. Eric K came out to estimate the job and fully explained the work they would perform. All in all, I would definitely recommend Aladdin for blown in insulation."
Gregg R on July 2022

E Smith Heating & Air Conditioning Inc
E Smith Heating & Air Conditioning Inc
E. Smith celebrated 50 years of serving north metropolitan Atlanta in 2012 and we continue to work to keep our customers satisfied. We have over 50 employees including 12 technicians. Our only subcontracted area is in our commercial installation department. We accept all major credit cards and have equipment financing plans available through Wells Fargo. Each spring and fall we try to offer timely maintenance specials but the most affordable maintenance is with our annual agreement plans. Details of the maintenance plans and all other services are on our website www.esmithair.com.
"Anthony C. of E. Smith did a Great job. He helped get the thermostat working again. What a Blessing! very pleased. And also did our seasonal maintenance. We have had E. Smith for 14 years."
Maria D on October 2020
E. Smith celebrated 50 years of serving north metropolitan Atlanta in 2012 and we continue to work to keep our customers satisfied. We have over 50 employees including 12 technicians. Our only subcontracted area is in our commercial installation department. We accept all major credit cards and have equipment financing plans available through Wells Fargo. Each spring and fall we try to offer timely maintenance specials but the most affordable maintenance is with our annual agreement plans. Details of the maintenance plans and all other services are on our website www.esmithair.com.
"Anthony C. of E. Smith did a Great job. He helped get the thermostat working again. What a Blessing! very pleased. And also did our seasonal maintenance. We have had E. Smith for 14 years."
Maria D on October 2020
PowerWorks Electric
PowerWorks Electric
I hold an unrestricted electrical license in Georgia with freedom to work in NC, TN, and VA. I am a certified Lutron lighting technician and do consulting work for a variety of lighting applications to include all LED installs. I specialize in eliminating receptacles from kitchen back-splashes and installing high intensity, low energy LED under-cabinet lighting with full dimming control. I also teach the Master Electricians Exam Class. My company does both residential and commercial projects. I also am a certified lighting control technician. Recently we've completed projects that range from installing high-bay commercial lighting to changing out a light switch. My customers tell me that they trust my electrical evaluations and my work. I am often commended for being on time and communicating via phone if I will be delayed. I've never had an unhappy customer because I do what I commit to, and I don't bill the customer until the work is completed to their satisfaction.
"In the summer of 2014, I gave Powerworks a B review. Let me clarify something -- I was NOT meaning to give Powerworks that grade. John was very professional, did the job well, and I was very pleased with his work. The only problem I had is that I wasn't very clear about what I needed. He did everything (and beyond) that I actually needed from an electrician. The only thing I can figure out why I gave him that review (unfortunately, did not see it after I hit enter b/c I was at work) is my own mistake and user error. In fact, I want to hire him again for another job. Sorry, John, that it took me 5 years to rectify this. I don't get on Angies List that often so didn't see your response."
Sherri R on July 2019
I hold an unrestricted electrical license in Georgia with freedom to work in NC, TN, and VA. I am a certified Lutron lighting technician and do consulting work for a variety of lighting applications to include all LED installs. I specialize in eliminating receptacles from kitchen back-splashes and installing high intensity, low energy LED under-cabinet lighting with full dimming control. I also teach the Master Electricians Exam Class. My company does both residential and commercial projects. I also am a certified lighting control technician. Recently we've completed projects that range from installing high-bay commercial lighting to changing out a light switch. My customers tell me that they trust my electrical evaluations and my work. I am often commended for being on time and communicating via phone if I will be delayed. I've never had an unhappy customer because I do what I commit to, and I don't bill the customer until the work is completed to their satisfaction.
"In the summer of 2014, I gave Powerworks a B review. Let me clarify something -- I was NOT meaning to give Powerworks that grade. John was very professional, did the job well, and I was very pleased with his work. The only problem I had is that I wasn't very clear about what I needed. He did everything (and beyond) that I actually needed from an electrician. The only thing I can figure out why I gave him that review (unfortunately, did not see it after I hit enter b/c I was at work) is my own mistake and user error. In fact, I want to hire him again for another job. Sorry, John, that it took me 5 years to rectify this. I don't get on Angies List that often so didn't see your response."
Sherri R on July 2019

Reliable Heating & Air Plumbing & Electrical
Reliable Heating & Air Plumbing & Electrical
Since 1978, Reliable has offered home services with exceptional reliability and customer service. We offer more financing options than any other company, even Comfort as a Service, a hassle free way to get energy-efficient heating and cooling systems, water heaters, water purification even generators for a low monthly payment and all repairs, maintenance even filters are NO additional CHARGE EVER. Reliable takes care of everything. That is an UNBEATABLE LIFETIME WARRANTY.
"I had a brand new heat pump system installed in April 2023. They sent subcontractors to install it who were very unprofessional and they left bare wires hanging out of the machine and it did not look like it was installed correctly. It stopped working completely 4 times in 5 months, the last time was on October 10, service tech said, “I really don’t agree with the way they installed it “ he said the wires were barely connected so it kept losing power. He got it working again and left. Two weeks ago it got cold and we turned the system to heat for the very first time. It blew cold air. We made ANOTHER service call. The technician said that a switch had “gone bad” because, “they wear out” we explained that we have never used the heat even once, so how could the switch be worn out. Then they advised they had to order a part. Over a week later the part came in and they returned and that still didn’t fix. Now they say the compressor has, “gone bad” and when we reiterated that we have never even used it so how is it worn out they answered, “they just go bad sometimes” we still don’t have heat, they say they have to order more parts. We asked them to look over the whole system because we don’t think it is installed right and I am genuinely concerned that it is a fire hazard and they looked at it, put electrical tape on some hanging wires and left. We have had to take SIX days off work so far and buy space heaters and we are no closer to having a working system. This unit is less then SIX MONTHS OLD. At this point I have no choice but to pursue legal action. This whole experience has been terrible and has cost me hundreds in missed time at work and I’m still paying for a system that does not work."
Nicole G on November 2023
Since 1978, Reliable has offered home services with exceptional reliability and customer service. We offer more financing options than any other company, even Comfort as a Service, a hassle free way to get energy-efficient heating and cooling systems, water heaters, water purification even generators for a low monthly payment and all repairs, maintenance even filters are NO additional CHARGE EVER. Reliable takes care of everything. That is an UNBEATABLE LIFETIME WARRANTY.
"I had a brand new heat pump system installed in April 2023. They sent subcontractors to install it who were very unprofessional and they left bare wires hanging out of the machine and it did not look like it was installed correctly. It stopped working completely 4 times in 5 months, the last time was on October 10, service tech said, “I really don’t agree with the way they installed it “ he said the wires were barely connected so it kept losing power. He got it working again and left. Two weeks ago it got cold and we turned the system to heat for the very first time. It blew cold air. We made ANOTHER service call. The technician said that a switch had “gone bad” because, “they wear out” we explained that we have never used the heat even once, so how could the switch be worn out. Then they advised they had to order a part. Over a week later the part came in and they returned and that still didn’t fix. Now they say the compressor has, “gone bad” and when we reiterated that we have never even used it so how is it worn out they answered, “they just go bad sometimes” we still don’t have heat, they say they have to order more parts. We asked them to look over the whole system because we don’t think it is installed right and I am genuinely concerned that it is a fire hazard and they looked at it, put electrical tape on some hanging wires and left. We have had to take SIX days off work so far and buy space heaters and we are no closer to having a working system. This unit is less then SIX MONTHS OLD. At this point I have no choice but to pursue legal action. This whole experience has been terrible and has cost me hundreds in missed time at work and I’m still paying for a system that does not work."
Nicole G on November 2023
The Grantville, GA homeowners’ guide to energy efficiency auditing services
From average costs to expert advice, get all the answers you need to get your job done.
•Discover the average home energy audit cost, what impacts pricing, and how to save money on your audit. Get transparent, expert-backed cost info for homeowners.

A home energy audit is a detailed write-up of how to lower your utility bills and increase your comfort level. Find out if they’re worth the cost.
•Get a detailed breakdown of thermal imaging home inspection costs, including average prices, cost factors, and tips to help homeowners budget.

Home energy audits can identify ways to make your home more energy-efficient. Learn whether an energy audit is a good investment for your home.
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