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    Quality Insulation

    4.9 (100 reviews)
    Closed 8:00 am - 6:00 pm

    Services - Quality Insulation

    Insulation installation

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    Really nice work in the garage.
    Darrell S.

    Greetings fellow Yelpers. We have a townhouse, circa early-80s, a mix of nice construction and the kind of poor construction one finds when it's time to update or fix a problem. Sigh. We knew we needed more insulation in the attic, but after the first winter, discovered how little insulation (read: none) in between garage and the kitchen above. Home construction and codes are not my areas of expertise, so, between my laptop, Google and a couple of helpful sites, I become an apprentice armed with enough information to drive experts crazy. Chris responded via the Yelp messenger, but I also provided my mobile # so we could effect quicker communication. We arranged a time/date for him to assess our issues. He arrived on time, was polite and answered my questions gently. His explanations made sense and he dissuaded me from things I may want, but didn't need, such as a radiant barrier or creating a storage area in the attic. He's right- while I'd love to store more junk, it's just not a great idea to store more in the attic (was not designed as such, and too costly to create). These traits are consistent with others who have evaluated QI. If Chris doesn't, he should pride himself on his honesty. QI's quote was competitive with other service providers. We went with QI because of the positive interaction we had with Chris and all the great evaluations y'all provided here on Yelp. The team arrived on time, were polite, efficient, and effective. They covered the furniture and floor, sealed the wires/plumbing/vents/light fixtures piercing the attic ceiling, blew in insulation into the attic and in between the garage ceiling and kitchen. They also completed other tasks, such as enclosing kneewalls and sealed the joist/joist rim in the garage. Total cost was ~$4K If anyone has specific questions, you are welcome to send a message. We're super happy with QI's work. Note the ceiling drywall cuts- that was done by hand- very good workmanship, allowing the cut-outs to be replaced (greatly reducing potential costs) Not only is the house warmer and far less drafty, it is much more quiet (makes sense- but hadn't planned on the extra benefit). Lastly, our friends who referred QI to us received a $100 referral fee! Great interaction from start to finish. Thanks Chris and his QI team!

    Garage gym
    Stacy L.

    My husband, Mike, has been converting our detached garage into a home gym, and working out in the extreme cold has been tough for him. Insulating the garage was the solution. We reached out to Chris and he came out on a Sunday for the estimate. He took his time with the estimate, explained everything and was very thorough. He was quick to get us a price that day, with no pressure and setting up a day for the installation was very easy. On that day, they were running late but called and let us know. He told us that the job would be done in one day, and he kept his word. On the day of, the crew also discovered that they needed to frame the garage first, but didn't change their estimate, qualities of a true professional. Whatever he outlined on the job was exactly what my husband envisioned for the garage. Husband is extremely happy with the way the garage turned out, and can already feel a difference when he's in there working out. Great company, great team, and a great experience. You will not be disappointed!

    After new insulation.

    Quality Insulation sealed and blew in insulation 8n my 1930s DC rowhome. They were responsive, had reasonable quotes, didn't try and upcharge me, showed up on time, did the job, and left my house cleaner than when they arrived. Their workers were quick and efficient. Highly recommend. My attic is extremely ceiling (can't stand up, slopes down to just a few inches of space at the back). Quality Insulation sealed as many penetrations and cracks as they could reach and blew in about 2 feet of insulation. House is noticeably less humid in the summer. No longer hit that 'wall' of hit air when going to the upper level.

    Sealing leaks in the attic floor

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    Chris J.

    Thank you for putting your trust in us!

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    Chris J.

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    Page 2 of 3

    Ask the Community - Quality Insulation

    Review Highlights - Quality Insulation

    Chris from Quality Insulation (not part of the pepco energy program) was very professional from the start.

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    EDGE Energy - Group photo from our 10th year anniversary in Dec 2016. Thank you to our amazing staff and all our clients over the years!

    EDGE Energy

    (32 reviews)

    The EDGE Energy team is super knowledgeable, great with communication, great on pricing, and…read moreextremely trustworthy!

    Based on my personal experience, I would not recommend this company…read more I was initially given a timeline indicating the project would be completed in time for my MEA application. In my case, that timeline was not met, and I had to request an extension, which I understand may or may not be approved. I potentially lost funding for thousands of dollars. The installation process took significantly longer than originally indicated. My project began in August of last year, and I did not receive permission to operate until mid-April of this year. in my experience, communication was inconsistent, with delays in responses and updates. In early to mid-March, I reached out multiple times and was told there were no updates. After escalating my inquiry, I was later informed that a visit had already been scheduled for the following week, which I had not previously been made aware of. This was confusing and raised concerns for me about how scheduling was communicated. Why are they making in house access appointment without ever confirming with me and telling me no appointment has been made at the same time? During one visit, I observed that the door was left open for periods of time in very cold weather (in the 20s °F), despite my requests to keep it closed. When I raised these concerns, I felt that my feedback was not fully acknowledged, as the responses I received focused more on explanations than on addressing the issues I had raised. Overall, my experience was frustrating and did not meet my expectations for professionalism.

    Elite Thermal - Cleaned and vacuumed attic

    Elite Thermal

    (5 reviews)

    We had a wonderful experience with David at Elite Thermal! From day 1, David was super responsive…read moreand took his time going through all the options and explaining them to us. We really appreciate and value fine customer service, which David provided all through the process. He was in constant communication with us and helped us understand what the process would look like after we narrowed in on what wanted to move forward with. The booking and actual insulation process was quick and it's been SO much more comfortable in our house since this service. We were hitting almost 7-8 degrees higher than our thermostat was set to on hot days, and now our home has been able to maintain its temperature comfortably without running 24/7. So worth it! David kept following up to make sure our expectations were met and he was on top of it all. He was even here the day of to make sure the project was kicked off well. We are so thankful we went with Elite Thermal and David for our insulation needs! Go to David if you want a trustworthy partner who is thorough!

    Although this is a relatively new business to the area, the owner has been working in insulation…read morefor long time, including with his dad who also owns an insulation business. We know this because the owner came out to our house to do a free consultation. He was very talkative and informative, and he went above and beyond in his inspection and communicating what he saw and what possible solutions might be. The problem is that the townhouse my wife and I own does not retain heat very well. As a result, the heater is on all the time during the winter (even at a low temperature setting). To save on electricity, we wanted to see about getting some new insulation. The owner was very honest with us and said that to replace the old insulation would involve a lot of time and money for a hugely invasive process that might not be worth it in the end. He provided with tons of free information and advice to help make the right decision for us and consider alternative options that didn't involve working with his company. We ended up not using his services, but this company comes strongly recommended for their great customer service and the amount of value we got out of their free consultation!

    Quality Insulation - insulationinstallation - Updated May 2026

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