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TRUSTED BY DECATUR, GA HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon26
    Verified energy efficiency auditing services reviews

Find Energy efficiency auditors in Decatur

Avatar for Coolray Heating & Air Conditioning

Coolray Heating & Air Conditioning

4.82(
1,232
)
Approved Pro

Coolray Heating & Air Conditioning

4.82(
1,232
)
Approved Pro
Super Service Award
Customers say: Super punctual
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
59 years of experience

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.

"Did a great job on annual HVAC maintenance. Waylon Coley is an excellent HVAC tech."

Douglas I 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.

"Did a great job on annual HVAC maintenance. Waylon Coley is an excellent HVAC tech."

Douglas I on November 2025


Avatar for Energy Consulting Services, LLC

Energy Consulting Services, LLC

4.98(
41
)
Approved Pro

Energy Consulting Services, LLC

4.98(
41
)
Approved Pro
Customers say: True professional
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
15 years of experience

Energy Consulting Services (ECS) is located in Cabbagetown just east of downtown Atlanta. We are experts in resolving comfort issues and reducing energy usage in homes and apartment complexes. We believe that doing the right thing for the environment is also the right thing for your bank account. We specialize in conducting energy audits to determine where a home or building is losing energy. We then make recommendations based on our findings. We work closely with our sister company, Energy Construction Services, so they implement the high-priority improvements identified in the audit report to make the structure more energy efficient and comfortable. ECS is a top-rated Georgia Power contractor, and part of our service is to ensure that our clients get maximum rebates available to maximize return on investment. Our recommendations are very specific to our client's specific needs. ECS files all rebate paperwork to ensure our clients receive their rebate checks in a timely fashion.

"ECS performed an energy audit on my home and identified multiple ways to improve the energy efficiency. Shane and Cole did a great job explaining the options and helping me choose the ones that would make the biggest impact. The result was a 36% reduction in air leakage. They also helped get rebates from Georgia Power. I highly recommend their services!"

Greg S on November 2025

Energy Consulting Services (ECS) is located in Cabbagetown just east of downtown Atlanta. We are experts in resolving comfort issues and reducing energy usage in homes and apartment complexes. We believe that doing the right thing for the environment is also the right thing for your bank account. We specialize in conducting energy audits to determine where a home or building is losing energy. We then make recommendations based on our findings. We work closely with our sister company, Energy Construction Services, so they implement the high-priority improvements identified in the audit report to make the structure more energy efficient and comfortable. ECS is a top-rated Georgia Power contractor, and part of our service is to ensure that our clients get maximum rebates available to maximize return on investment. Our recommendations are very specific to our client's specific needs. ECS files all rebate paperwork to ensure our clients receive their rebate checks in a timely fashion.

"ECS performed an energy audit on my home and identified multiple ways to improve the energy efficiency. Shane and Cole did a great job explaining the options and helping me choose the ones that would make the biggest impact. The result was a 36% reduction in air leakage. They also helped get rebates from Georgia Power. I highly recommend their services!"

Greg S on November 2025


Avatar for R Wiley Heating & Air

R Wiley Heating & Air

4.68(
1,045
)
Approved Pro

R Wiley Heating & Air

4.68(
1,045
)
Approved Pro
Customers say: Super punctual
39 years of experience
Free onsite estimate

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


Brown Property Inspections Corp

5.00(
3
)
Approved Pro

Brown Property Inspections Corp

5.00(
3
)
Approved Pro
Super Service Award
Free onsite estimate

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

5.00(
1
)
Approved Pro

The Solar Guru

5.00(
1
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
5 years of experience

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


Avatar for Aladdin Insulation & Home Improvement

Aladdin Insulation & Home Improvement

4.93(
403
)

Aladdin Insulation & Home Improvement

4.93(
403
)
Customers say: Quality work
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers

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


Avatar for E Smith Heating & Air Conditioning Inc

E Smith Heating & Air Conditioning Inc

4.88(
133
)

E Smith Heating & Air Conditioning Inc

4.88(
133
)
Customers say: Super punctual
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers

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


Nier Building Inspections

5.00(
29
)

Nier Building Inspections

5.00(
29
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Highly certified inspection company we possess over 50 certifications in residential and commercial inspections and mold inspection and have combined over 40 years of construction experience.

"An outstanding comoany for Home Inspections. Thorough, efficient, reasonable fee and very professional. Rest assured that Michael Nier will perform an inspection that can leave you knowing he did fine work."

Robin B on February 2019

Highly certified inspection company we possess over 50 certifications in residential and commercial inspections and mold inspection and have combined over 40 years of construction experience.

"An outstanding comoany for Home Inspections. Thorough, efficient, reasonable fee and very professional. Rest assured that Michael Nier will perform an inspection that can leave you knowing he did fine work."

Robin B on February 2019


Avatar for Central Heating & Air Conditioning

Central Heating & Air Conditioning

4.74(
180
)

Central Heating & Air Conditioning

4.74(
180
)
Customers say: Super punctual
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers

Central Heating and Air Conditioning bring more than 70 years of experience in providing customers with stellar HVAC services. The company believes in providing customers with the best of services at the most affordable prices in the region. Contact our Residential & Commercial HVAC Experts at 404-975-2917 or Visit centralheatofga.com

"They were great at answering all of my questions and worked to get me on the schedule as quickly as possible. No air conditioning during an Atlanta summer escalates the need! They even cleaned up well upon completion."

Raye W on July 2018

Central Heating and Air Conditioning bring more than 70 years of experience in providing customers with stellar HVAC services. The company believes in providing customers with the best of services at the most affordable prices in the region. Contact our Residential & Commercial HVAC Experts at 404-975-2917 or Visit centralheatofga.com

"They were great at answering all of my questions and worked to get me on the schedule as quickly as possible. No air conditioning during an Atlanta summer escalates the need! They even cleaned up well upon completion."

Raye W on July 2018


Avatar for Comfort Control Heating & Air Conditioning

Comfort Control Heating & Air Conditioning

4.71(
560
)

Comfort Control Heating & Air Conditioning

4.71(
560
)
Customers say: Super punctual
33 years of experience

Comfort Control, Inc. will perform all of your HVAC services including air conditioner and heating service, replace your air conditioner, perform the heating service on your heating furnace and replace the heating furnace. Enjoy yearly peace of mind with our 100% guaranteed HVAC inspection. FOR EMERGENCIES PLEASE CALL (770) 203-1600

"Technician Vu Tran provided "excellent quality customer service" as he has always for the last 3years that "he" has serviced my system."

Keturah H on August 2020

Comfort Control, Inc. will perform all of your HVAC services including air conditioner and heating service, replace your air conditioner, perform the heating service on your heating furnace and replace the heating furnace. Enjoy yearly peace of mind with our 100% guaranteed HVAC inspection. FOR EMERGENCIES PLEASE CALL (770) 203-1600

"Technician Vu Tran provided "excellent quality customer service" as he has always for the last 3years that "he" has serviced my system."

Keturah H on August 2020

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Energy Efficiency Auditing questions, answered by experts

Audits typically take 2-4 hours, depending on the property size and energy systems.

Not all homes are suited for solar panel systems. Older roofs or those in poor condition may need repairs or replacement before solar panels can be installed. Some other factors to consider are the amount of sunlight your roof receives, the roof’s orientation and pitch, and any shading from nearby trees or buildings.

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.

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.

The effect a gas fireplace has on your gas bill will depend on how often you use it, the size of the rooms you’re heating with it, and the BTUs of the fireplace itself, but generally speaking, it should only cost a few cents an hour to run it when it’s on. It will consume minimal energy when it’s “off” if you have a pilot light running constantly, but some modern gas fireplaces don’t require a constant pilot light.

The Decatur, 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.

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