Energy Efficiency Experts
2nd year as a Best Pick
certified company
A
rated
Based on 68 reviews
Our Certification Process
Best Pick Guarantee
Verified License(s)
Verified General Liability Ins.
Verified Workers' Comp
2nd year as a Best Pick Call
"We are problem solvers; our whole-house approach focuses on identifying and solving issues to make your home more comfortable and efficient."

Pascale Maslin | Owner
Company Information
Services Offered
Energy Efficiency Experts provides residential insulation services, including air leak sealing, insulation removal and retrofitting, attic insulation and ventilation, and crawl space encapsulation. The company offers spray foam, cellulose, blown-in, and fiberglass batt insulation and radiant barriers. Energy Efficiency Experts also performs home energy audits, duct cleaning and repair, and Aeroseal duct sealing.
Minimum Job
A $2,000 minimum is required.
Warranty
The company provides a customer satisfaction guarantee and honors manufacturers' warranties.
Company History
Energy Efficiency Experts is a local, woman-owned, family-owned-and-operated company that has served the DC metro area since 2007.
Distinctions
The company hires Building Performance Institute trained technicians and is a Greater Bethesda Chamber of Commerce member and a Home Performance with ENERGY STAR program participant.
Licenses
#420216000119
Areas Served
Washington, DC
A selection of 68 homeowner reviews:
“Energy Efficiency Experts was definitely an A+. They did an energy audit and insulation work. They were very thorough—it was impressive to me. The report that they gave me was specific and very detailed, and their overall approach to the work was highly professional.”
“They were fantastic. I've already recommended them to my neighbors, and they've used them. They did insulation and an audit for me. I would give Energy Efficiency Experts an A+ rating.”
“I definitely had a positive experience with them. They were punctual, and they explained everything in very good detail. They did some insulation work for me. I can honestly say I noticed the difference after they did the work. I'd rate them as an A+. I have recommended them.”
“They were very knowledgeable and worked with my schedule well. They did a good job as far as I know. They did attic insulation and put an exhaust fan on the roof. I'd give them an A grade.”
“They did what they said they were going to do. They were very pleasant to work with, and what they did is working very well. They did a bunch of insulation work and some venting.”
“They were very good. They were very pleasant and efficient. They got the work done in a short amount of time. I have no complaints. They just did insulation for me. I'd rate them as an A.”
“They came to install an attic fan. A few months ago, they did the audit and insulation work. I'd rate them as an A. The work they did was in the attic, and they said they would take pictures. I didn't actually get pictures that showed a clear image of everything they did, but I trust them. They did a great job. I can't imagine that they did a poor job. I'm waiting for customer service to answer one question that I had, and it's been a week. They were right on time. I would definitely recommend Energy Efficiency Experts.”
“They explained what they were going to do and why they were doing it, so I felt I had a pretty good understanding of what we were looking for. They did both energy audit and insulation work. They deserve an A. The work seems pretty good. They were very positive, and they were punctual. I had no problems.”
“They were very detailed oriented, and they did what they said they were going to do. They did energy audit and insulation work. I'd grade them as an A. We have already recommended them.”
“They were fine. They did a fine job, and I have no complaints—A.”
“I had a fine experience with them. They were efficient and did what they said they were going to do. They did both energy audit and insulation work. I'd give them an A rating.”
“I'd give Energy Efficiency Experts an A-. They did an energy audit and insulation work for me.”
“The experience was positive.”
“The work was really good. The test results at the end of the work were good. They did a bunch of weatherproofing. They did sealing for the joints and lots of insulation. There was lots of sealing. I'd give them an A+.”
“Their service was useful. I like that they gave lots of attention to detail. They did the energy audit and the insulation work.”
“As I recall, they were prompt and clean. They did the work that was in the contract. They did both energy audit and insulation work for me. They were fine.”
“Energy Efficiency Experts were just no fuss, no muss. They just knew their stuff. They weren't trying to sell me anything; they were just giving me the facts. They did an assessment and home energy audit, and then they recommended improvements to decrease our energy consumption. And then, I believe using subcontractors, they performed the work. They did insulation for me as well.”
“They're professional. The people of Energy Efficiency Experts kept us informed at all times, every step of the way. They were trying to improve the thermal retention of the house. They provided some additional insulation work for me. I'd rate them as an A+.”
“I'd give them an A+. They did insulation work and energy auditing for me.”
“They were just very attentive and very detailed. I met with a lot of efficiency experts or insulation experts, and they were easily the best. They did insulation work, and then they helped out with follow-up. They did a follow-up check. I'd give them an A rating.”
“I liked everything about their work. They did their job, and they explained it to me well. They did both energy auditing and insulation work. My overall experience was the best—A+.”
“They were great. They were honest. They told me they could save me money on my electric bill and heating, and they did. They did both energy audit and insulation work. I'd say Energy Efficiency Experts deserves an A+.”
“They were really professional. They did the work really efficiently and effectively. It was both auditing and insulation work. I'd grade them as an A+.”
“They did what they said they were going to do in the time frame they said they were going to do it. They did energy auditing and the insulation. I'd give Energy Efficiency Experts an A rating.”
“I'd give them an A for the energy auditing and insulation work they did for me.”
“I liked their professionalism. They did the audit and insulation work for me. I'd give them an A.”
“They were very concrete about what they could do, and they did it. My house is more consistently heated, and I'm not having to run the air conditioner as much. They did a lot of insulation for me. I would give them an A. I assume the work was really good. They were very punctual, and they seemed both knowledgeable and clean. I've already recommended them.”