4.8 
38 *The Angi rating for Energy Efficiency Auditing companies in Frederick, MD 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 Frederick, MD 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 18, 2025
Serving Frederick, MD and surrounding areas
Approved
In business since 2006
Free estimates
Emergency services offered
"He's a good guy. He was nice, professional and went above and beyond."
+5
Serving Frederick, MD and surrounding areas
Approved
In business since 2012
Free estimates
Emergency services offered
"Thanks Blue Star Walter and Deyvis did an excellent job They are so professional Highly recommend Thanks again Blue Star"
+13
Serving Frederick, MD and surrounding areas
Approved
In business since 2022
Free estimates
Credit card accepted
"The whole process was easy, from the initial assessment to the finished project."
+11
Serving Frederick, MD and surrounding areas
Approved
In business since 2020
Free estimates
Warranties offered
"The insulation was fast. They did a good job cleaning up. They quickly resolved a problem that occurred. The sales man Seth was super nice and took time to answer my questions. Ami from the office was very good at communicating with me throughout the process."
+76
Serving Frederick, MD and surrounding areas
Approved
Warranties offered
Small jobs welcome
Credit card accepted
"Very professional very good work"
+10
Serving Frederick, MD and surrounding areas
Approved
In business since 2007
Free estimates
Credit card accepted
Elysian Energy, LLC is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have over 50 years of hands on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today! \n \n
Serving Frederick, MD and surrounding areas
In business since 2010
Warranties offered
Credit card accepted
"Great. The energy audit identified the source of the humidity infiltration. And the audit report identified adjustments needed to the exhaust fan."
+1
Serving Frederick, MD and surrounding areas
In business since 2009
Free estimates
Warranties offered
"This probably the most professional service organization I've worked with in any capacity. They did a comprehensive audit and we discussed issues that could be remediated prioritized by the biggest bang for the buck and then they did the fixes we agreed upon. I always felt like I was dealing with an expert who had my best interests at heart - work that they could have done that they advised could be deferred. Ended up increasing the insulation in the attic which I'd known for years was a problem and sealing the ducts which has made a noticeable difference. I'd happily recommend Atlas to anyone who thinks they might benefit from a home energy audit and efficiency upgrades."
+16
Serving Frederick, MD and surrounding areas
In business since 2010
Free estimates
Credit card accepted
"Have a problem with cold basement and hired Home Energy Saving Solutions, LLC to do home energy audit. Energy consultant Mohammed El-Ghoul came on time and after short inspection suggested that we do need more specific HVAC audit, not whole home energy audit. Mohammed suggested a company which can do this, also made some very useful suggestions, and checked couple of things for free. We were not charged for service despite fact that Mohammed spent almost an hour at our home and provided useful advices. Very professional and honest service and I strongly recommend Home Energy Saving Solutions, LLC and especially energy consultant Mohammed El-Ghoul!"
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.
Get a detailed breakdown of thermal imaging home inspection costs, including average prices, cost factors, and tips to help homeowners budget.
Discover the energy-efficient window costs. Learn about installation prices, cost factors, and tips to save money on your window upgrade.
Wondering what an energy audit is and how it can help keep you safe? Keep reading to learn about home energy audits and how they can save you money.
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.
Thinking about scheduling a home energy audit? Learn how to improve energy efficiency, lower your utility bills, and hire the right local pro for the job.
