4.6 
32 *The Angi rating for Energy Efficiency Auditing companies in Harmans, 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 Harmans, 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 March 10, 2026
Serving Harmans, MD and surrounding areas
Approved
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 Harmans, MD and surrounding areas
Approved
In business since 2006
Free estimates
Emergency services offered
"Edge Energy did an energy audit for us, then sealed the house, installed a new roof with excellent insulation, and an ERV fan to ensure fresh air. They were a delight to work with throughout, very friendly and professional. We needed some follow up work due to quirks in the house, not bad work by Edge, and they did it promptly and without charge. I couldn't recommend them more highly."
+5
Serving Harmans, MD and surrounding areas
Approved
In business since 2009
Free estimates
Warranties offered
"Atlas Home Energy performed an energy audit in my home, and based on the findings corrected all issues over a four day course. Their workmanship is flawless and their employees are pleasant and courteous. The bulk of their charge was reimbursed by BGE and my energy cost has declined. I recommend them highly"
+16
Serving Harmans, MD and surrounding areas
Approved
In business since 2020
Free estimates
Credit card accepted
"Brian came out to perform an energy audit on my home. He arrived on time, was respectful of my home and showed me where my insulation was missing with his infrared camera! His report came two days later as promised with a reasonable quote."
+8
Serving Harmans, MD and surrounding areas
Approved
Super Service Award Winner
In business since 2021
Free estimates
Credit card accepted
"Installation took longer than anticipated, but work was top notch. Installer was professional and did excellent work and cleanup. Gas Company repeatedly said they had no record of rebate application, but I received rebate yesterday (5 days after being told they had no record), no fault of Renewable Energy. Brian was true to his word. Thank you."
+5
Serving Harmans, 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 Harmans, MD and surrounding areas
Approved
In business since 2002
Free estimates
Warranties offered
"Very professional. Fully explained the process before starting and showed photos of the areas that needed insulation in my home. Before and after photos. Used energy company rebates to reduce my out of pocket expenses and did follow up evaluation. I saw the change in my energy bill! Thanks!"
+93
Serving Harmans, MD and surrounding areas
Approved
Warranties offered
Small jobs welcome
Credit card accepted
I am a Maryland licensed home inspector serving the Greater Baltimore area. I have an extensive background in construction and enjoy working with home buyers, realtors, and anyone who needs an inspection.
+10
Serving Harmans, 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 Harmans, 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!
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