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Explore Our Solution Center for Helpful Insulation Contractor Articles

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4 Common Types of Home Insulation

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Pile of insulation
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How Energy-Efficient Insulation in the Attic Cuts Heating, Cooling Costs

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white, fluffy cellulose insulation in attic

Insulation reviews in Bethesda

  • A
    Home Energy Saving Solutions
    The representative we worked with, Mohammed El-Ghoul, was very knowledgeable, professional and patient. The audit identified areas that could be addressed to make our house more energy efficient. Mohammed helped us find the right combination of options to fit our issues and budget. The crew that came to do the work was very prompt, neat and thorough.
    - Mary W.
  • A
    Green Step
    Jim was awesome. He explained everything needed, did not upsell anything we did not need, and was friendly and professional. Green Step took the rebate off the cost of the work, so we would not need to wait for Pepco to give us money back. His team was timely and efficient, and left a clean and well insulated top floor. He came in under budget, and provided help for getting rebates for services I would need to get from other contractors.
    - James D.
  • A
    Quality Insulation
    Perfectly! Not only did Chris and his crew do their job wonderfully, but they also helped out correct issues in the house not related to insulation (e.g. seal ducts, air seal other areas in the house). They were extremely professional, careful, punctual (there at 7:45AM!), and polite. If there was any other area of the house where we would need insulation work done, I would call them right away! One last note: Chris (manager) is there at every job, throughout, and they have a small crew (2-3) that is highly trained.
    - ivana k.
  • A
    Home Energy Saving Solutions
    Hess did excellent work in our house in Bethesda! The results of your test-out were impressive. Previously, our home needed 6582 cubic feet of air per minute (CFM50) blown out to keep the house at a -50Pascal pressure difference (according to the audit report), versus 3620 CFM50 with the test-out. This equates to your Natural Air Exchange Rate improving from .61 to .33, almost 50% improvement! That means that our HVAC system has to cool/heat that much less air that is being lost to the outside. This test does not measure the impact of all the additional insulation in reducing heat loss that was done, only the air leakage portion of the work! It's 104F outside today, and we already feel the difference! All work was done in one day, they left house clean as it was before they came. Mohammed was very responsive, provided detailed explanation during the whole process, and replied promptly to my requests. Pepco rebate is supposed to cover 40+% of total cost. Mohammed submitted all paperwork himself. Updated as of 12/21 Mohammed did a great job to follow up with PEPCO on my rebate. For whatever reason, I haven't received the check. I wrote the email to Mohammed asking to follow up with PEPCO. Within 10 days I receive the check. Mohammed did not only great job on weatherization, but was also quick and responsive to follow up with PEPCO.
    - Roman K.
  • A
    Atlas Home Energy Solutions LLC
    It was a pleasure working with Atlas from start to finish. Initially, Atlas performed an energy audit (via the Pepco Home Energy Check-Up Program) and provided a number of recommendations to improve the energy efficiency of my house. Their report was thorough and their auditor took a lot of time to answer all of my questions, particularly around the rebates I may be able to achieve based on the improvements to my home. I decided to move forward with most of their recommendations. The contract Atlas put together for the work was detailed and clear on the work that would be performed and the cost breakdown of each component. On the first day (of two) I received a call from the team lead to say exactly when they'd arrive. He said they would be 15 minutes late - but they were easily still in the first part of the arrival window (so it wasn't actually late). He introduced his team and explained all of the work that they would be doing and how long he thought it would take. He kept me posted throughout the day. At the end of the day when their work was complete he asked me if I had any questions, took the time to answer them all (I did not feel rushed or put upon) and then told me who would be coming on day two to complete the other tasks. Day two was a similarly good experience. Two team would take part in the insulation and sealing of my attic. Each team lead introduced themselves and their teams, explained what they'd be doing and asked if I had any questions. They even asked if I had a pet to know if they should keep doors closed so a pet wouldn't get out. The work went smoothly. Along the way they showed my pictures of the work (before and after), as it was in the attic and I could not easily go see for myself. At the end of the day they again asked if I had any questions or needed anything else. They sent me a final report with annotated pictures so I could see all of the work that was done. Additionally, they completed all of the paperwork with all of the metrics to submit to Pepco for a energy improvement rebate, and Pepco has accepted the changes and will be issuing a rebate. The experience was very pleasant, the work was good, and I would definitely hire Atlas again.
    - Brad C.
  • A
    Quality Insulation
    Dan and his crew did an outstanding job! The most professional/knowledgeable and quick contractor i have ever hired, as real estate agent, investor, and property manager. They put fiberglass, closed all crevices with foam, and sealed everything like a space ship. The best insulation i have seen. The crew looked like astronauts, with complete coverage of eyes, entire body, and the best respirator masks. Dan cares about his team! Thank you Dan, crew!! Daniel
    - Isamu N.
  • A
    Atlas Home Energy Solutions LLC
    Excellent. The way Atlas sealed all the cracks and later carefully filled the entire attic with fiber glass could not more professional. I was impressed by Atlas and recommend their services to anyone.
    - Mohammad V.
  • C
    James A Wheat & Sons Inc
    Work was done properly and as quoted and I assumed the invoice went straight to the owner. Apparently not as I didn't receive it until A YEAR LATER; I told them that there would be a delay as the owner was traveling. Then a week later we need emergency service and initially it was a hard "no" because of the past due balance despite the fact that I was willing to be sure this was covered up front and pay OT rates. Over $50,000 has been paid to this company over the last decade with no other delays in payment so was rater annoyed. Full disclosure, they did email back and were willing to come out but apparently I have more allegiance to them than they have to us. They do excellent work, always to code or beyond but can be pricey and (generally) their field staff is well trained, personable and knowledgeable if not punctual, but the office...eh PS - if you purchase the Eagle Agreement be sure to confirm end date. I always thought it was 365 days from the date of purchase but apparently it's the calendar year as it was purchased in January 2017 and I was told it expired 12/31/2017.
    - Arlene G.
  • A
    S & R General Construction
    My wife and I are expecting and wanted to redo our bathroom and expanded it's size ahead of her due date. We reached out to three different general contractors, S&R being one of them. S&R emailed us a proposal within 3 days while the second contractor took a week and the third contractor submitted their bid three weeks later and construction was already underway with S&R. S&R was the most reasonable bid with one of the three bids being way out of the ballpark. We were very impressed with how well they protected our house and our belongings and they were very concerned about containing dust especially due to my wife being pregnant at the time. I'm sure that the project would have been completed in the original time frame had we not requested so many change orders, which they handled with ease. Even with all the change orders, the project was completed in a very reasonable amount of time. The final project is absolutely stunning. I have recommended them to both friends and family and all have been happy. We plan on using them in the future when we're ready to redo our kitchen.
    - Andrew W.
  • A
    USA Insulation of Central Maryland
    Mehran is the owner and came out to look at my attic. I told him that I was looking for options to remove the existing insulation, clean and disinfect the attic, air-seal the attic, and replace with blown-in insulation. He suggested R-60 (>20 inches) of blown-in fiberglass. Mehran was communicative, helpful, and accommodating. I got 5 quotes before deciding to go with USA Insulation of Central Maryland. Mehran's team did the removal on a Friday, allowing me time to work in the attic over the weekend to make sure that the electrical, air sealing, and disinfection were done right. I was meticulous in the quality control to make sure everything was up to snuff. His team returned on Monday to finish airsealing, putting up baffles, and blowing the insulation in. The team was superb -- Philip, Jimmy, and Nate were courteous, professional, and thorough. It was a difficult job, and the first day of the job was one of the hottest days of the summer. They worked through it for nearly 12 hours and did not complain. They are truly professional, and I personally appreciated their effort and attitude. This kind of project is a major undertaking and requires a team that you can trust. USA Insulation of Central Maryland seems to have the name and backing of a large company, but the Central Maryland team is a small and human-centric operation. Loretta is their office support staff and she was very kind and helpful throughout the process when little things didn't go quite right. I was very glad that I decided to go with these guys. It has now been over a month and a half since the cleaning and installation and I have much better air quality in the house. The AC turns on about half as often and clearly doesn't have to work as hard. These guys are great, they will do what it takes to do a good job.
    - Timofey S.
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Insulation Contractors in Bethesda

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