Top-rated energy efficiency auditors.

Get matched with top energy efficiency auditors in New Athens, IL

Enter your zip and get matched with up to 5 pros

Need a pro for your energy efficiency auditing project in New Athens, IL?

Select your specific project to find the pro for you.

Find Energy efficiency auditors in New Athens

Avatar for Indoor Comfort Team

Indoor Comfort Team

4.95(
258
)

Indoor Comfort Team

4.95(
258
)
Customers say: True professional
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers

Our customer-first approach has been at core of Indoor Comfort Team® business model since we first began servicing customers in the St. Louis, St. Charles and the Metro East areas with professional air conditioning as well as heating services back in 1979. Customer-first means honesty and integrity are the foundation of everything we do. From your initial phone call, to our certified and licensed service technician completing the job, to your full satisfaction. Trust, knowledge and competitive pricing have made us one of the most respected and trusted home services companies. But the fact is, we owe our success to our great customers and dedicated team who provide dependable service. Our team is proud to serve our customers.

"Indoor Comfort Team installed my HVAC system in 2019 and I have continued to use them for my regular fall and spring servicing. They consistently do an outstanding job. I had my most recent service done today, and the technician, Sabrina McIntyre, was no exception. She was prompt and efficient and carefully explained everything she checked. I was highly satisfied with her work. "

Steve M on November 2025

Our customer-first approach has been at core of Indoor Comfort Team® business model since we first began servicing customers in the St. Louis, St. Charles and the Metro East areas with professional air conditioning as well as heating services back in 1979. Customer-first means honesty and integrity are the foundation of everything we do. From your initial phone call, to our certified and licensed service technician completing the job, to your full satisfaction. Trust, knowledge and competitive pricing have made us one of the most respected and trusted home services companies. But the fact is, we owe our success to our great customers and dedicated team who provide dependable service. Our team is proud to serve our customers.

"Indoor Comfort Team installed my HVAC system in 2019 and I have continued to use them for my regular fall and spring servicing. They consistently do an outstanding job. I had my most recent service done today, and the technician, Sabrina McIntyre, was no exception. She was prompt and efficient and carefully explained everything she checked. I was highly satisfied with her work. "

Steve M on November 2025


Avatar for Classic Aire Care Inc

Classic Aire Care Inc

4.58(
85
)

Classic Aire Care Inc

4.58(
85
)
Customers say: Super punctual
1926 years of experience

From winter's chill through the dog days of summer, our primary goal at Classic Aire Care, Inc. is to keep your home comfortable for you and your family. But, that's just the beginning. We also offer you peace of mind, ensuring your equipment operates safely. We help you save money on your fuel bills. And, we help deliver relief to those with Allergiesand many others concerned with the Quality of the Air they breathe.

"I purchased a new AC unit last summer. When firing it up last month, the motor was dead and required a replacement. The motor had to be ordered, and I was told they would cover the cost of the motor (I should hope so), but I'd have to pay for the installation. I feel that, when purchasing a piece of equipment that expensive, one expects both the vendor and manufacturer to fully stand behind their products. Obviously, they did not. I tried to call the service manager to discuss this, but had to leave a message since he wasn't available. No return call. When the repair person came out to do the installation, I also asked him to have the service manager call. Again, no follow through. CAC also schedules for full day windows. For many households, that is simply not manageable. We have jobs, and I think the CAC policy is simply indicative that they are taking their customers' needs seriously. I have no complaints about the service technician that did the repair"

Christopher L on June 2023

From winter's chill through the dog days of summer, our primary goal at Classic Aire Care, Inc. is to keep your home comfortable for you and your family. But, that's just the beginning. We also offer you peace of mind, ensuring your equipment operates safely. We help you save money on your fuel bills. And, we help deliver relief to those with Allergiesand many others concerned with the Quality of the Air they breathe.

"I purchased a new AC unit last summer. When firing it up last month, the motor was dead and required a replacement. The motor had to be ordered, and I was told they would cover the cost of the motor (I should hope so), but I'd have to pay for the installation. I feel that, when purchasing a piece of equipment that expensive, one expects both the vendor and manufacturer to fully stand behind their products. Obviously, they did not. I tried to call the service manager to discuss this, but had to leave a message since he wasn't available. No return call. When the repair person came out to do the installation, I also asked him to have the service manager call. Again, no follow through. CAC also schedules for full day windows. For many households, that is simply not manageable. We have jobs, and I think the CAC policy is simply indicative that they are taking their customers' needs seriously. I have no complaints about the service technician that did the repair"

Christopher L on June 2023


Energy Stars Heating & Cooling

5.00(
10
)

Energy Stars Heating & Cooling

5.00(
10
)
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

We're a locally owned & operated HVAC company, licensed, bonded, & certified in St. Louis, MO & IL. Our technicians are efficiency & comfort experts, trusted & highly rated by our customers and partners. Energy Stars Heating & Cooling Co Big company expertise, small company price. Call us today!

"Well done also my name is Walter Chase"

BEVERLY C on October 2020

We're a locally owned & operated HVAC company, licensed, bonded, & certified in St. Louis, MO & IL. Our technicians are efficiency & comfort experts, trusted & highly rated by our customers and partners. Energy Stars Heating & Cooling Co Big company expertise, small company price. Call us today!

"Well done also my name is Walter Chase"

BEVERLY C on October 2020


Avatar for Mosby Building Arts Ltd

Mosby Building Arts Ltd

4.65(
97
)

Mosby Building Arts Ltd

4.65(
97
)
Customers say: Quality work
1947 years of experience

St. Louis remodeling and repair firm of KMOX Home Answer Man Scott Mosby. Improving home since 1947. Offering Consultation to help you prioritize remodeling projects, repairs and maintenance so you do it right the first time.

"Mosby did a residential project about a year ago for us. Everything went well and Mosby was professional and courteous. Now there is a complication, and I am getting stonewalled with zero discussion of responsibility. After this, I would not use them again. They are not the cheapest; I expected better"

David and Maureen B on June 2023

St. Louis remodeling and repair firm of KMOX Home Answer Man Scott Mosby. Improving home since 1947. Offering Consultation to help you prioritize remodeling projects, repairs and maintenance so you do it right the first time.

"Mosby did a residential project about a year ago for us. Everything went well and Mosby was professional and courteous. Now there is a complication, and I am getting stonewalled with zero discussion of responsibility. After this, I would not use them again. They are not the cheapest; I expected better"

David and Maureen B on June 2023


"My garage floor cracked and coating discolored 1 year after install. Crack was the size of your hand. Wanted to charge me $400-600 for repair. Was told it would not crack. Way too expensive for sub par filling material thats shrinks and cracks. They talk a good talk but do not stand behind there work. Stay away from this company and find one that will stand behind there product and material."

Robert O on August 2023

Patriot Sunrooms & Home Solutions is independently owned and operated.

"My garage floor cracked and coating discolored 1 year after install. Crack was the size of your hand. Wanted to charge me $400-600 for repair. Was told it would not crack. Way too expensive for sub par filling material thats shrinks and cracks. They talk a good talk but do not stand behind there work. Stay away from this company and find one that will stand behind there product and material."

Robert O on August 2023


Avatar for StraightUp Solar

StraightUp Solar

4.57(
14
)

StraightUp Solar

4.57(
14
)
Customers say: Quality work
2006 years of experience

StraightUp Solar is a BBB A+, locally owned Certified B Corp founded in 2006. StraightUp Solar has completed more than 1,700 solar energy installations totaling over 22 MW, and continues to serve the region from offices located in Bloomington, Illinois and St. Louis, Missouri. StraightUp Solar is a member-owner in both the Amicus Solar Cooperative and the Amicus O&M Cooperative, and is proud to be an active voice in the Illinois Solar Energy Association. Solar Design & Installation, Energy Storage/Solar Battery, Solar Service & Maintenance, Electric Vehicle Charging Stations, Solar Remove & Replace

StraightUp Solar is a BBB A+, locally owned Certified B Corp founded in 2006. StraightUp Solar has completed more than 1,700 solar energy installations totaling over 22 MW, and continues to serve the region from offices located in Bloomington, Illinois and St. Louis, Missouri. StraightUp Solar is a member-owner in both the Amicus Solar Cooperative and the Amicus O&M Cooperative, and is proud to be an active voice in the Illinois Solar Energy Association. Solar Design & Installation, Energy Storage/Solar Battery, Solar Service & Maintenance, Electric Vehicle Charging Stations, Solar Remove & Replace


SHOW ME HOME ENERGY SOLUTIONS LLC

4.80(
10
)

SHOW ME HOME ENERGY SOLUTIONS LLC

4.80(
10
)
Customers say: Quick response
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers

Show Me Home Energy Solutions LLC is a referral practice in that its services are typically for those clients who have demonstrated efficiency or comfort problems, those who are seeking deep energy reductions, or those who have had unsatisfactory solutions from other companies. We currently accept new clients by referral only. SMHES LLC is a Certified Missouri Home Energy Auditor, a certified BPI Professional (both Building Analyst and Envelope Professional), a certified Home Energy Rating System Rater, and a Leadership in Energy and Environmental Design Accredited Professional (LEED AP). A former Field Engineer (Staff) in Lockheed Martin's residential energy efficiency division, David Rabenau provides you with an objective and independent audit of your home. Most of our services and recommendations qualify for federal and state tax credits and deductions. SMHES LLC is a Certified Missouri Home Energy Auditor, a certified BPI Professional (both Building Analyst and Envelope Professional), a certified Home Energy Rating System Rater, and a Leadership in Energy and Environmental Design Accredited Professional (LEED AP). A former Field Engineer (Staff) in Lockheed Martin's residential energy efficiency division, David Rabenau provides you with an objective and independent audit of your home. Most of our services and recommendations qualify for federal and state tax credits and deductions. BBB Accredited.

Show Me Home Energy Solutions LLC is a referral practice in that its services are typically for those clients who have demonstrated efficiency or comfort problems, those who are seeking deep energy reductions, or those who have had unsatisfactory solutions from other companies. We currently accept new clients by referral only. SMHES LLC is a Certified Missouri Home Energy Auditor, a certified BPI Professional (both Building Analyst and Envelope Professional), a certified Home Energy Rating System Rater, and a Leadership in Energy and Environmental Design Accredited Professional (LEED AP). A former Field Engineer (Staff) in Lockheed Martin's residential energy efficiency division, David Rabenau provides you with an objective and independent audit of your home. Most of our services and recommendations qualify for federal and state tax credits and deductions. SMHES LLC is a Certified Missouri Home Energy Auditor, a certified BPI Professional (both Building Analyst and Envelope Professional), a certified Home Energy Rating System Rater, and a Leadership in Energy and Environmental Design Accredited Professional (LEED AP). A former Field Engineer (Staff) in Lockheed Martin's residential energy efficiency division, David Rabenau provides you with an objective and independent audit of your home. Most of our services and recommendations qualify for federal and state tax credits and deductions. BBB Accredited.


Energy Smart Homes

5.00(
6
)

Energy Smart Homes

5.00(
6
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Making your home energy efficient, healthy and comfortable will save you money and increase the value of your investment. Whole house energy audits by Energy Smart Homes includes Tectite blower door testing with infrared thermography diagnostics to investigate whole house performance. In a comprehensive report we prioritize repairs for you according to those which will yield the greatest return for your dollars and provide the essential details contractors or do-it-yourselfers need to make cost effective improvements. Insured and certified, we are committed to helping you make smart energy choices to achieve comfort, energy efficiency and a healthy living environment in your home. Our audit qualifies you for all state and federal tax incentives.

Making your home energy efficient, healthy and comfortable will save you money and increase the value of your investment. Whole house energy audits by Energy Smart Homes includes Tectite blower door testing with infrared thermography diagnostics to investigate whole house performance. In a comprehensive report we prioritize repairs for you according to those which will yield the greatest return for your dollars and provide the essential details contractors or do-it-yourselfers need to make cost effective improvements. Insured and certified, we are committed to helping you make smart energy choices to achieve comfort, energy efficiency and a healthy living environment in your home. Our audit qualifies you for all state and federal tax incentives.


Avatar for Spengler Plumbing, Heating and Cooling

Spengler Plumbing, Heating and Cooling

4.06(
64
)

Spengler Plumbing, Heating and Cooling

4.06(
64
)
Customers say: Quick response
1971 years of experience

Serving the community for over 45 years. Heating, Cooling, and Plumbing Company also providing water treatment and remodeling services and products. We use upfront pricing, never overtime and provide 24 7 services. Founded in 1971 by Syd Spengler, Spengler Plumbing, Heating and Cooling has been a five star rated service company for the past 45 years. Headquartered in O’Fallon, Illinois, The Spengler Company services the entire metro-east including communities like Belleville, Edwardsville, Troy, Highland, Collinsville, Waterloo, Columbia and more. When customers need us we are there: 24 hours a day, seven days a week. That is not something everyone can say. The safety of our homeowners is of our utmost concern, which is why every employee is drug tested and background checked.

"The water line replacement went much better than I imagined. The company was prompt and completed the work within 48 hours. As part of the repair, the associate convinced me to purchase a maintenance package. The package reduced the total cost of the job and basically paid for itself. My issues with this company really began when I scheduled the AC maintenance. I was told that technicians would be coming between 8-11. At 11 no one showed up yet. I called and was told that the window for service was 8-12, which was not what I was originally told. I had to reschedule. On the second attempt for service I chose the window of 8-12. At 11:00 a costumer service rep called me and said the technician would arrive closer to 12:30 due to some emergency calls. At 1:40 I called customer service and was told the technician was still in another job. They again mentioned that there were several emergency jobs and that they were down a technician. I completely understand that emergencies can crop up. However this company does not appear to be very accommodating or forthright; you work on their schedule and better not have anything more important to take care of while you wait all day for them to show up."

Justin N on June 2019

Serving the community for over 45 years. Heating, Cooling, and Plumbing Company also providing water treatment and remodeling services and products. We use upfront pricing, never overtime and provide 24 7 services. Founded in 1971 by Syd Spengler, Spengler Plumbing, Heating and Cooling has been a five star rated service company for the past 45 years. Headquartered in O’Fallon, Illinois, The Spengler Company services the entire metro-east including communities like Belleville, Edwardsville, Troy, Highland, Collinsville, Waterloo, Columbia and more. When customers need us we are there: 24 hours a day, seven days a week. That is not something everyone can say. The safety of our homeowners is of our utmost concern, which is why every employee is drug tested and background checked.

"The water line replacement went much better than I imagined. The company was prompt and completed the work within 48 hours. As part of the repair, the associate convinced me to purchase a maintenance package. The package reduced the total cost of the job and basically paid for itself. My issues with this company really began when I scheduled the AC maintenance. I was told that technicians would be coming between 8-11. At 11 no one showed up yet. I called and was told that the window for service was 8-12, which was not what I was originally told. I had to reschedule. On the second attempt for service I chose the window of 8-12. At 11:00 a costumer service rep called me and said the technician would arrive closer to 12:30 due to some emergency calls. At 1:40 I called customer service and was told the technician was still in another job. They again mentioned that there were several emergency jobs and that they were down a technician. I completely understand that emergencies can crop up. However this company does not appear to be very accommodating or forthright; you work on their schedule and better not have anything more important to take care of while you wait all day for them to show up."

Justin N on June 2019


Avatar for Goley Insulation, Inc.

Goley Insulation, Inc.

4.90(
10
)

Goley Insulation, Inc.

4.90(
10
)
Customers say: True professional
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Goley Insulation has been helping clients save energy and maximize comfort since 1973. Our goal is to offer quality products while giving our clients an exceptional service experience. We rely on referrals and reputation to help grow our business. We look forward to exceeding your expectations. We serve new and existing residential homeowners along with commercial projects in the St. Louis metro area and central Midwest. Goley Insulation specializes in spray foam insulation and offers a wide range of energy saving products and services to customers. Call us for a quote on your uninsulated or under insulated project.

Goley Insulation has been helping clients save energy and maximize comfort since 1973. Our goal is to offer quality products while giving our clients an exceptional service experience. We rely on referrals and reputation to help grow our business. We look forward to exceeding your expectations. We serve new and existing residential homeowners along with commercial projects in the St. Louis metro area and central Midwest. Goley Insulation specializes in spray foam insulation and offers a wide range of energy saving products and services to customers. Call us for a quote on your uninsulated or under insulated project.

Showing 1-10 of 43
Energy Efficiency Auditing questions, answered by experts

Installing weather stripping or upgrading to insulated panels can improve efficiency.

Some types of electric fireplaces use more electricity than others. Models that produce 1,500 watts will have more of an effect on your heating bill than 750-watt models. 

Electric fireplaces use an average of $1.85 of electricity every eight hours. These minimal operational costs aren’t likely to make a big difference in your electric bill—unless you’re using it as a primary heating source for your home and it’s running most of the time.

Yes, these services often increase home value by preventing moisture-related issues and enhancing the usable space in basements or crawlspaces.

Yes, energy-efficient options such as LEDs and solar-powered lights are available. These alternatives consume less electricity, resulting in lower utility costs. They are also more environmentally friendly due to their reduced carbon footprint and longer lifespan.

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 New Athens, 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.