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  • Verified reviews icon31
    Verified energy efficiency auditing services reviews

Find Energy efficiency auditors in Glendale Heights

Avatar for Energy Services Air Conditioning & Heating Co

Energy Services Air Conditioning & Heating Co

512 W 5th Ave
4.72(
927
)
Approved Pro

Energy Services Air Conditioning & Heating Co

512 W 5th Ave
4.72(
927
)
Approved Pro
Customers say: Super punctual
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
84 local quotes requested

At Energy Services Air Conditioning, Heating & Electrical, we go beyond the level of service you expect, and deliver the exceptional results you deserve. From routine system maintenance, to emergency repair, equipment upgrades and complete system install, our goal is to bring more expertise, resources, and professionalism to every job than any other HVAC service provider in Naperville, Aurora, Geneva, St. Charles & Wheaton IL. We offer flexible solutions for spaces large and small, customizing our designs to meet your exact needs, and providing the most cutting-edge products on the market. Cost is determined by the job. Additional Phones: (630) 969-1400, (630) 687-1383, (630) 420-2275. Fax: (630) 420-2096 DBA: GFI Heating & Cooling. Senior Discount: $5.00

"Tech came out and heard my concerns, went over the blower, and found that it had been mis-diagnosed of where the other company who installed it was looking. Hugely appreciated that the tech listened to what I was having a problem with and not exact information provided, and was able to provide me with information to go back to my install company with."

Grant P on October 2025

At Energy Services Air Conditioning, Heating & Electrical, we go beyond the level of service you expect, and deliver the exceptional results you deserve. From routine system maintenance, to emergency repair, equipment upgrades and complete system install, our goal is to bring more expertise, resources, and professionalism to every job than any other HVAC service provider in Naperville, Aurora, Geneva, St. Charles & Wheaton IL. We offer flexible solutions for spaces large and small, customizing our designs to meet your exact needs, and providing the most cutting-edge products on the market. Cost is determined by the job. Additional Phones: (630) 969-1400, (630) 687-1383, (630) 420-2275. Fax: (630) 420-2096 DBA: GFI Heating & Cooling. Senior Discount: $5.00

"Tech came out and heard my concerns, went over the blower, and found that it had been mis-diagnosed of where the other company who installed it was looking. Hugely appreciated that the tech listened to what I was having a problem with and not exact information provided, and was able to provide me with information to go back to my install company with."

Grant P on October 2025


Avatar for TR Miller Heating, Cooling, Plumbing and Electrical

TR Miller Heating, Cooling, Plumbing and Electrical

11917 S. Aero Dr.
4.56(
95
)
Approved Pro

TR Miller Heating, Cooling, Plumbing and Electrical

11917 S. Aero Dr.
4.56(
95
)
Approved Pro
Customers say: Super punctual
22 local quotes requested
17 years of experience

TR Miller Heating, Cooling, Plumbing and Electrical has provided the Plainfield, IL area with excellent HVAC, plumbing and electrical services since 2008. Offering straightforward pricing, emergency services and the latest technology, they will help with all of your home service needs. Call today to schedule your appointment!

"TR Miller Heating, Cooling & Plumbing I think an obvious first step for the company is to be more upfront with pricing. By offering an upfront cost of $79 to assess a plumbing issue seems reasonable. To then have a minimal price that starts at $494 for something as simple as a 45 minute repair seems very unfair. It is similar to a bait and switch--reasonable to ridiculous. I was very specific in my needs--which was to connect two 1" water pipes 4 3/8" apart. I even forwarded a pic before anyone from TR Miller came out to the residence. The explanation from the manager was inadequate and false. Manager stated pricing was based on 50% going to the technician, 40% for overhead, and 10% profit. While I have already gone through the manager's exaggerated pay rate for the technician repair at roughly $250 per hour, Glassdoor site shows a technician hourly salary ranging from $20-$33 per hour. Even at an hourly rate of $50 per hour, a 40 hour per week technician would be at an annual salary of $100k per year-- which is probably closer to reality for pricing. With inflated non-factual pricing to start for labor and then factoring your overhead and profit off of an inflated labor rate, you literally are overinflating pricing by a large margin. Very unfair for a homeowner enticed to use your service which supposedly starts at $79. Will continue to be dissatisfied with my experience with TR Miller. You are a predatory company taking advantage of people. Based on my math, you would have still had great and more fair margins for a 45 minute job charging $250 for the job."

Mel S on November 2024

TR Miller Heating, Cooling, Plumbing and Electrical has provided the Plainfield, IL area with excellent HVAC, plumbing and electrical services since 2008. Offering straightforward pricing, emergency services and the latest technology, they will help with all of your home service needs. Call today to schedule your appointment!

"TR Miller Heating, Cooling & Plumbing I think an obvious first step for the company is to be more upfront with pricing. By offering an upfront cost of $79 to assess a plumbing issue seems reasonable. To then have a minimal price that starts at $494 for something as simple as a 45 minute repair seems very unfair. It is similar to a bait and switch--reasonable to ridiculous. I was very specific in my needs--which was to connect two 1" water pipes 4 3/8" apart. I even forwarded a pic before anyone from TR Miller came out to the residence. The explanation from the manager was inadequate and false. Manager stated pricing was based on 50% going to the technician, 40% for overhead, and 10% profit. While I have already gone through the manager's exaggerated pay rate for the technician repair at roughly $250 per hour, Glassdoor site shows a technician hourly salary ranging from $20-$33 per hour. Even at an hourly rate of $50 per hour, a 40 hour per week technician would be at an annual salary of $100k per year-- which is probably closer to reality for pricing. With inflated non-factual pricing to start for labor and then factoring your overhead and profit off of an inflated labor rate, you literally are overinflating pricing by a large margin. Very unfair for a homeowner enticed to use your service which supposedly starts at $79. Will continue to be dissatisfied with my experience with TR Miller. You are a predatory company taking advantage of people. Based on my math, you would have still had great and more fair margins for a 45 minute job charging $250 for the job."

Mel S on November 2024


"They came out when they said they would, and did a wonderful job."

MIKE N on July 2023

80% of our jobs are referrals from previous customers. We have never had a BBB complaint in 52 years. Our equipment has a 10 year parts and labor warranty.

"They came out when they said they would, and did a wonderful job."

MIKE N on July 2023


Avatar for Daniel Nagel

Daniel Nagel

2910 South Justen Road
4.90(
37
)
Approved Pro

Daniel Nagel

2910 South Justen Road
4.90(
37
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
11 years of experience

Get the B.E.S.T for your home (Building Energy Services and Testing) from ZENERGY LLC. We strive to help our clients find the 'ZEN' in their homes, that point where there improved comfort and the utility bills aren't emptying your pocket. We take a whole house approach to identify and resolve any issues within the home's attic, basement, or crawl space to improve the homes performance against the weather. Our services focus on targeted air sealing, increasing the insulation, installing proper ventilation, or making adjustments to the home to improve the comfort. ZENERGY is your one stop for full home energy auditing or home performance improvements. Let us help solve your homes energy consumption and comfort issues with our 3D approach. We are able to Discover the root cause of the issue. Design a solution for repair and Deliver the corrective action to improve the situation. WWW.greenzenergy.com 773-710-1090

"We reached out to Dan with the issue of freezing pipes and cold rooms in our old house. Dan inspected the house and proposed a plan to remedy these issues. Aside from the more traditional air sealing and insulation solutions, Dan also recommended insulating the area of our house above our soffit, which was difficult to access but that appeared to be a major insulation issue. I should add the other firms we requested quotes for did not identify this area in their proposal. I firmly believe the proposals from the other firms would not have fixed our issues. Dan worked for ~2 weeks on air sealing our attic and house, adding insulation to our attic, removing our soffit and adding insulation and reinstalling soffit. Work was done well and within budget and at a fair price. Dan is very easy to work with and takes pride in his work. We are very happy to report our pipes have not frozen and the cold rooms are no longer cold - would highly recommend Dan to others - he went above and beyond."

Daniel C on January 2023

Get the B.E.S.T for your home (Building Energy Services and Testing) from ZENERGY LLC. We strive to help our clients find the 'ZEN' in their homes, that point where there improved comfort and the utility bills aren't emptying your pocket. We take a whole house approach to identify and resolve any issues within the home's attic, basement, or crawl space to improve the homes performance against the weather. Our services focus on targeted air sealing, increasing the insulation, installing proper ventilation, or making adjustments to the home to improve the comfort. ZENERGY is your one stop for full home energy auditing or home performance improvements. Let us help solve your homes energy consumption and comfort issues with our 3D approach. We are able to Discover the root cause of the issue. Design a solution for repair and Deliver the corrective action to improve the situation. WWW.greenzenergy.com 773-710-1090

"We reached out to Dan with the issue of freezing pipes and cold rooms in our old house. Dan inspected the house and proposed a plan to remedy these issues. Aside from the more traditional air sealing and insulation solutions, Dan also recommended insulating the area of our house above our soffit, which was difficult to access but that appeared to be a major insulation issue. I should add the other firms we requested quotes for did not identify this area in their proposal. I firmly believe the proposals from the other firms would not have fixed our issues. Dan worked for ~2 weeks on air sealing our attic and house, adding insulation to our attic, removing our soffit and adding insulation and reinstalling soffit. Work was done well and within budget and at a fair price. Dan is very easy to work with and takes pride in his work. We are very happy to report our pipes have not frozen and the cold rooms are no longer cold - would highly recommend Dan to others - he went above and beyond."

Daniel C on January 2023


Avatar for ARC Insulation, Inc.

ARC Insulation, Inc.

29 Forestwood Court, Unit 1
4.91(
43
)
Approved Pro

ARC Insulation, Inc.

29 Forestwood Court, Unit 1
4.91(
43
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
118 local quotes requested

ARC Insulation, has been insulating homes in the Chicagoland area for over 27 years. Our staff of friendly professional Energy Auditors can assess your home and provide you with a free energy consultation offering the best most cost-effective solutions customized for your home and budget. Our mission is to help our customers make their homes more comfortable, safe and energy efficient. Because every home is unique, ARC Insulation specializes in all types of safe and efficient insulation, Cellulose, Spray Foam and Fiberglass. We also offer services Energy Audits, New Construction Modeling, Energy Consulting and Mold Remediation. A home energy upgrade costs less than you think. Stop wasting money and start saving on your home energy costs year-round! Call ARC Insulation today.

"X"

Kenneth J on April 2024

ARC Insulation, has been insulating homes in the Chicagoland area for over 27 years. Our staff of friendly professional Energy Auditors can assess your home and provide you with a free energy consultation offering the best most cost-effective solutions customized for your home and budget. Our mission is to help our customers make their homes more comfortable, safe and energy efficient. Because every home is unique, ARC Insulation specializes in all types of safe and efficient insulation, Cellulose, Spray Foam and Fiberglass. We also offer services Energy Audits, New Construction Modeling, Energy Consulting and Mold Remediation. A home energy upgrade costs less than you think. Stop wasting money and start saving on your home energy costs year-round! Call ARC Insulation today.

"X"

Kenneth J on April 2024


Avatar for Inka Solar

Inka Solar

1265 Borough Court
No reviews yet

Inka Solar

1265 Borough Court
No reviews yet
Free onsite estimate

Would you like to contribute to improving the environment and save money at the same time? At Powur we offer you friendly and powerful solutions to reduce your carbon footprint and help you create a more sustainable future. We are experts in finding opportunities for improvement to reduce your costs or increase your productivity, through innovative, ecological and economic proposals and projects. With our solar panel systems, you can generate your own clean and renewable energy, and enjoy the benefits of cheaper, safer and more independent energy. In addition, by choosing Powur, you join a community of more than 100,000 satisfied customers, who receive a quality service, personalized attention, and a participation in the company's actions. What are you waiting for to join the solar revolution? Contact us today and request a free and no-obligation quote. Powur: the energy of the future, at your fingertips.

Would you like to contribute to improving the environment and save money at the same time? At Powur we offer you friendly and powerful solutions to reduce your carbon footprint and help you create a more sustainable future. We are experts in finding opportunities for improvement to reduce your costs or increase your productivity, through innovative, ecological and economic proposals and projects. With our solar panel systems, you can generate your own clean and renewable energy, and enjoy the benefits of cheaper, safer and more independent energy. In addition, by choosing Powur, you join a community of more than 100,000 satisfied customers, who receive a quality service, personalized attention, and a participation in the company's actions. What are you waiting for to join the solar revolution? Contact us today and request a free and no-obligation quote. Powur: the energy of the future, at your fingertips.


Anura Energy

123 Ambassador Drive
No reviews yet

Anura Energy

123 Ambassador Drive
No reviews yet
9 years of experience

Full home Energy Efficiency and Weatherization Services. Insulation, Air Sealing, Energy Audits, HVAC tune-ups, and upgrades. Insulation Removal, Mold Remediation. Energy Star Partner, Indoor airPLUS Verification Organization, Residential Energy Rating Company,

Full home Energy Efficiency and Weatherization Services. Insulation, Air Sealing, Energy Audits, HVAC tune-ups, and upgrades. Insulation Removal, Mold Remediation. Energy Star Partner, Indoor airPLUS Verification Organization, Residential Energy Rating Company,


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.


Holistic Health Care Centers

No reviews yet

Holistic Health Care Centers

No reviews yet

At Holistic Health Care Centers, we offer compassionate, leading edge, individualized holistic and integrative healthcare in one easy and convenient location. Our doctors and practitioners consider all aspects of your health and lifestyle when establishing your best treatment options. Our providers work as a team determining if acupuncture, chiropractic care, massage, cupping, colorpuncture, somatic experiencing, reiki, healing touch, foot detox or herbs and supplements would be the most beneficial option, or if a combination of options will work best. Our goal is to provide you superb holistic and integrative healthcare with options that fit your health and daily life in one location.

At Holistic Health Care Centers, we offer compassionate, leading edge, individualized holistic and integrative healthcare in one easy and convenient location. Our doctors and practitioners consider all aspects of your health and lifestyle when establishing your best treatment options. Our providers work as a team determining if acupuncture, chiropractic care, massage, cupping, colorpuncture, somatic experiencing, reiki, healing touch, foot detox or herbs and supplements would be the most beneficial option, or if a combination of options will work best. Our goal is to provide you superb holistic and integrative healthcare with options that fit your health and daily life in one location.


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Energy Efficiency Auditing questions, answered by experts

If you install LED bulbs, they will use much less energy than incandescent bulbs. LED light strips also use less power. Battery-operated puck lights use no electricity at all, but you will need to replace the batteries as needed. They are beneficial if your power goes out, too, as they will remain on as a light source. 

After you receive your audit and report, review the findings and determine which of the prescribed changes you want to make to improve your home’s energy efficiency. Start by contacting the type of professionals recommended by the auditor who can help you remedy the issues discovered during the audit. Prioritize the projects by urgency, importance, and budget. Then, gather estimates from several professionals, remembering to verify any necessary licensing and experience information.

Depending on the level of audit you choose, a home energy audit will at least include a walk-through of the home to determine visible inefficiencies, but may include testing and a highly detailed inspection and report laying out the home’s inefficiencies and providing recommendations to fix those issues. The audit may also include a review of utility bills and mechanical testing. Consult your home energy auditor about the types of services they provide before hiring.

Yes, including optimizing settings and suggesting upgrades if needed.

Fireplaces can theoretically help you save on heating bills if you lower the temperature throughout the rest of your home and heat only a single room that you occupy using the fireplace. However, in most cases, homeowners won’t save any money on heating bills. Gas and electric fireplace inserts could actually lead to a spike in your respective energy bills if you use them frequently, and if you don’t keep up with chimney maintenance and repairs, your traditional masonry fireplace could actually be a source of heat loss in the winter.

The Glendale Heights, 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.