4.6 
32 *The Angi rating for Energy Efficiency Auditing companies in Hanover, 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 Hanover, 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 October 31, 2026
Serving Hanover, 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 Hanover, MD and surrounding areas
Approved
Super Service Award Winner
In business since 2021
Free estimates
Credit card accepted
"Company was efficient, professional and got the job done. I was pleased with the work and workers."
+5
Serving Hanover, MD and surrounding areas
Approved
In business since 2020
Free estimates
Credit card accepted
"I highly recommend Lumeco Energy. They did my home energy audit and gave me some good recommendations. We chose to air seal our attic and add more insulation. They were able to get me some rebates from BGE so the pricing was discounted."
+5
Serving Hanover, MD and surrounding areas
Approved
In business since 2002
Free estimates
Warranties offered
"Complete Home Solutions has a great sales representative and customer server to explain in detail your project. The crew was good and took care of the task well done. They save the picture of before and after that give you 100% satisfaction. The installation crew gives you a brief of what they have done and cleans up the mess."
+93
Serving Hanover, MD and surrounding areas
Approved
Warranties offered
Small jobs welcome
Credit card accepted
"Very professional very good work"
+10
Serving Hanover, 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 Hanover, MD and surrounding areas
Approved
In business since 2021
Free estimates
Credit card accepted
Advanced Green Home Solutions is dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. Advanced Green Home Solutions is a leader in providing our customers with the highest quality products and craftsmanship in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you!
Serving Hanover, 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 Hanover, MD and surrounding areas
In business since 2004
Free estimates
Emergency services offered
"The Energy audit crew were punctual. They expected time of the audit was within the time frame that they quoted. I received a overall evaluation and list of things of suggested that would help to improve the overall energy efficiency of my home along with rebates."
+1
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