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*The Angi rating for Energy Efficiency Auditing companies in Downers Grove, IL 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 Downers Grove, IL 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 December 01, 2025
Find Energy efficiency auditors in Downers Grove

Perma-Seal Basement Systems
Perma-Seal Basement Systems
Perma-Seal specializes in protecting the value of your home backed by 45 years of serving the Chicagoland and NW Indiana areas. Our basement waterproofing stops leaks and flooding, our foundation repairs fix settling and bowed walls, and our crawl space solutions control humidity and improve air quality. Our concrete lifting and leveling service offers a reliable, quick, and highly effective way to repair your sunken, cracked driveway, patio, pool deck, or sidewalk for a fraction of the cost of replacement. Additionally, we provide yard drainage solutions, sewer and plumbing services, and home comfort solutions such as air sealing, and insulation to ensure your home remains in top condition. What sets us apart? Our commitment to superior customer service and our solid warranty. Any product or work covered by our warranty is serviced free of charge for the entire warranty period. Choose Perma-Seal for reliable, quality solutions to keep your home safe and comfortable.
"Permaseal expert workers laid new drainage pipe and replaced sump pump, they were polite, on time, and cleaned up their work area. I would highly recommend them"
Marcus S on November 2025
Perma-Seal specializes in protecting the value of your home backed by 45 years of serving the Chicagoland and NW Indiana areas. Our basement waterproofing stops leaks and flooding, our foundation repairs fix settling and bowed walls, and our crawl space solutions control humidity and improve air quality. Our concrete lifting and leveling service offers a reliable, quick, and highly effective way to repair your sunken, cracked driveway, patio, pool deck, or sidewalk for a fraction of the cost of replacement. Additionally, we provide yard drainage solutions, sewer and plumbing services, and home comfort solutions such as air sealing, and insulation to ensure your home remains in top condition. What sets us apart? Our commitment to superior customer service and our solid warranty. Any product or work covered by our warranty is serviced free of charge for the entire warranty period. Choose Perma-Seal for reliable, quality solutions to keep your home safe and comfortable.
"Permaseal expert workers laid new drainage pipe and replaced sump pump, they were polite, on time, and cleaned up their work area. I would highly recommend them"
Marcus S on November 2025

Gabriel
Gabriel
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
Anura Energy
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,

RSS Solar
RSS Solar
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.
Cool Air Systems
Cool Air Systems
Hvac installs repairs and and service
Hvac installs repairs and and service

Flow-Rite Heating & Cooling
Flow-Rite Heating & Cooling
Up and coming Residential & Commercial HVAC Company. We Service all makes and models. Furnaces, Boilers, Water Heaters, A/C, Rooftop units and more. I've been in the Heating and Cooling business since 2012. I opened my own business in 2020 and named it Flow-Rite Heating & Cooling.
"Very satisfied. Great customer service."
Jeremiah F on January 2022
Up and coming Residential & Commercial HVAC Company. We Service all makes and models. Furnaces, Boilers, Water Heaters, A/C, Rooftop units and more. I've been in the Heating and Cooling business since 2012. I opened my own business in 2020 and named it Flow-Rite Heating & Cooling.
"Very satisfied. Great customer service."
Jeremiah F on January 2022
Apex LED Solutions, LLC
Apex LED Solutions, LLC
We upgrade lighting to LED and we also do other electrical services. See our website https://apexledsolutions.com/ and you will have a good idea of what we can do for you. Reliable Service and reasonable rate.
We upgrade lighting to LED and we also do other electrical services. See our website https://apexledsolutions.com/ and you will have a good idea of what we can do for you. Reliable Service and reasonable rate.
Direct Solar of America
Direct Solar of America
Our second-to-none brokerage model benefits our customers by making sure they see increased benefits and complete satisfaction, while we make sure they realize the most optimal cost savings. With various financing options, multiple choices for Solar Power technology, and installation our customers value our extensive experience in creating customized solutions that meet their needs. After years of experience and more than 3,500 homes powered with the help of our solar brokerage services, we think the choice is clear! Direct Solar America is a subsidiary of Single Point, Inc. (OTC: SING).
Our second-to-none brokerage model benefits our customers by making sure they see increased benefits and complete satisfaction, while we make sure they realize the most optimal cost savings. With various financing options, multiple choices for Solar Power technology, and installation our customers value our extensive experience in creating customized solutions that meet their needs. After years of experience and more than 3,500 homes powered with the help of our solar brokerage services, we think the choice is clear! Direct Solar America is a subsidiary of Single Point, Inc. (OTC: SING).
Verde Sustainable Solutions, L3C
Verde Sustainable Solutions, L3C
Commercial Energy Efficiency Firm specializing in reducing energy in small and medium sized businesses
Commercial Energy Efficiency Firm specializing in reducing energy in small and medium sized businesses

USA Alarm Service, Inc
USA Alarm Service, Inc
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.
The Downers Grove, 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.
•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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