4.5 
74 *The Angi rating for Energy Efficiency Auditing companies in Colesville, 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 Colesville, 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 09, 2026
Serving Colesville, 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 Colesville, MD and surrounding areas
Approved
Super Service Award Winner
In business since 2021
Free estimates
Credit card accepted
"I had a full house evaluation. Elite Thermal was able to use that to get me a significant discount. They came and did the service in in one day and then returned a few weeks afterwards to find tune and the leaks that were identified on the follow up blower test. They changed the wrong exhaust fan and then did the right one at no additional charge. I would definitely work with them again. Actually, they have done an evaluation and an estimate on my second home and I expect to have them start soon."
+5
Serving Colesville, MD and surrounding areas
Approved
In business since 2012
Free estimates
Emergency services offered
"It took a few hours to set up. After I figured out the Ecobee thermostat I was able to successfully program it. Technicians are considerate and aim to please."
+13
Serving Colesville, MD and surrounding areas
Approved
In business since 2022
Free estimates
Credit card accepted
"Awesome service. Brian came out and preformed a custom job for me after hours. We had reschedule a couple times and he was very flexible and accommodating. Would def recommend and hire again"
+11
Serving Colesville, MD and surrounding areas
Approved
In business since 2020
Free estimates
Credit card accepted
"Lumeco did an awesome job on my attic insulation. They also ran a test to see how much my air leakage reduced. Highly recommend this company. They have good pricing too."
+5
Serving Colesville, MD and surrounding areas
Approved
In business since 2002
Free estimates
Warranties offered
"They communicated well, showed up on time, weâ re very polite and thorough."
+93
Serving Colesville, MD and surrounding areas
Approved
Warranties offered
Small jobs welcome
Credit card accepted
"Yes, everything is in order and perfect."
+10
Serving Colesville, 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 Colesville, 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 Colesville, 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
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