4.5 
83 *The Angi rating for Insulation Service companies in Mount Rainier, MD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Insulation Service needs.
*The HomeAdvisor rating for Insulation Service companies in Mount Rainier, MD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Insulation Service needs.
Last update on October 29, 2025
Serving Mount Rainier, MD and surrounding areas
Approved
In business since 2023
Free estimates
Warranties offered
"Very prompt. Gave us a great price and did a wonderful job installing insulation in a tight area. Would definitely hire him again."
Serving Mount Rainier, MD and surrounding areas
Approved
In business since 2022
Free estimates
Credit card accepted
"Founders Insulation did a very good job on installing insulation in ceilings! They were careful, courteous and cleaned up."
+11
Serving Mount Rainier, MD and surrounding areas
Approved (Corporate)
In business since 2023
Free estimates
Warranties offered
"We are extremely satisfied with the whole process of our house being insulated. First we had the walls done, and then a couple weeks later we had our attic insulated. The crew were so nice, friendly, and knowledgeable. We are very satisfied with everything. Thank you, everyone."
Serving Mount Rainier, MD and surrounding areas
Approved
In business since 2002
Free estimates
Warranties offered
"The company did an assessment that we did not need as much insulation as we thought. The gave us a better approach which was cheaper and more efficient."
+93
Serving Mount Rainier, MD and surrounding areas
Approved
In business since 2009
Free estimates
Credit card accepted
"I selected this company because they are a member of my energy provider's energy saving program network. The customer service was top notch and the insulation installation team was top rate. There was a problem with the aeroseal team assigned to seal any holes in the air vents. The aeroseal solution leaked throughout the house, even into drawers, closets, on clothes, everywhere. It took over a month to clean up. Throughout this process, the owners remained in contact and assisted as best they knew how. The cleanup was stressful, but in the end, all worked out and I have noticed an improvement in energy savings. Thanks!"
+11
Serving Mount Rainier, MD and surrounding areas
Approved
In business since 2004
Free estimates
Credit card accepted
"Window & roof insulation quick, easy, & affordable!"
+77
Serving Mount Rainier, MD and surrounding areas
Approved
In business since 1974
Free estimates
Warranties offered
"We had a great experience with ROI Construction sales representative David Burke. David was very knowledgeable about ROI's porducts and services. We look forward to getting our attic insulation project completed and will provide a more thorough review at that time. Thanks, Tim"
+19
Serving Mount Rainier, MD and surrounding areas
Approved (Corporate)
Free estimates
Offers commercial services
Home contractors
Serving Mount Rainier, MD and surrounding areas
In business since 2011
Free estimates
Warranties offered
"the whose is warmer after upgraded insulation ï¼"
+5
Serving Mount Rainier, MD and surrounding areas
In business since 2005
Free estimates
Credit card accepted
"We needed insulation applied only to the underside of the house at this time. The guy who came out to give an estimate was great. The guy that came out to do the spray job (I expected a team and got just one guy) was super nice. The spray foam would appear to be difficult to manage during application as some spots only have a skim of insulation while others seem to have 7 inches of it. The office..... trying to get any information from that office.... was a hassle way beyond my wildest nightmares. Getting the estimate took days, getting scheduled took days. They have only one person working to do all of the scheduling and she "is out of the office" during a whole heck of a lot of "our office hours are from...". Figuring out what I needed to know to pay online took pulling teeth. It was the best price I got and it will make a world of difference to that house structure and its moisture issues.... but good grief!"
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