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TRUSTED BY WOODLAWN, MD HOMEOWNERS

  • Average homeowner rating star icon4.1
    Average homeowner rating
  • Verified reviews icon116
    Verified insulation services reviews

Top-Rated Insulation pros in Woodlawn - Updated Nov 2026

Avatar for Koala Insulation of The Greater Baltimore Area
Koala Insulation of The Greater Baltimore Area
4.8(
13
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install+1 more

Serving Woodlawn, MD and surrounding areas

Approved

In business since 2023

Free estimates

Warranties offered

"We had insulation installed a week earlier by Koala. During the insulation, Jasper (insulator) suggested another area that we might consider installing blown-in insulation. We agreed and the second job was performed on Friday, the 24th. Jasper and Richard were on time, the insulation project was well done and they left the area very clean. Would use them again."
Insulation Projects
Spray Foam Insulation
Insulation Projects
Blow-in Rig
Truck

+9

Response time8 hrs
2 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for RetroFoam of Philadelphia
RetroFoam of Philadelphia
5.0(
22
)
Spray Foam Insulation - InstallInjection Insulation - Install

Serving Woodlawn, 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."
RetroFoam Wall Insulation
Installing RetroFoam
RetroFoam with Siding
RetroFoam with Brick
Response time1 day
Response rate100%
130 neighbors recently requested a quote
Avatar for Terra Insulation
Terra Insulation
4.4(
16
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving Woodlawn, MD and surrounding areas

Approved

In business since 2020

Free estimates

Credit card accepted

"They took the time to explain the options and inform my decision-making. They answered all of my questions with patience and good humor. I believe I have received great value for the money I have spent. They were flexible when I wanted to make a change once work had begun. Since the house has been air sealed and insulated we have been warm and comfortable. I highly recommend Terra Insulation for your insulation needs."
R-49 Blown Fiberglass
Baffle Vents
Recessed Can Light Covera
Attic Penetrations- before air sealing
Air Sealing After

+1

Response time3 days
Response rate97%
Recommended by92%of homeowners
Avatar for Atlas Home Energy Solutions
Atlas Home Energy Solutions
4.1(
34
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeSpray Foam Insulation - Install

Serving Woodlawn, MD and surrounding areas

Approved

In business since 2009

Free estimates

Credit card accepted

"Our first interaction with Atlas was with Shannon. As knowledgeable and personable as one could hope for. She clearly explained cost effective measures to better insulate our house. We opted for sealing and insulating our attic and weather stripping a number of doors. We were very pleased with the workmanship and the energy savings they produced. They also helped us get a PEPCO credit which reduced the overall cost of the job. A winner!"
Visual Inspection of all Areas of your Home
Attic Insulation and Air Sealing
Infrared Camera Inspection
Attic Spray Foam
Blower Door Whole House Air Leakage Test

+11

Response time1 day
Recommended by87%of homeowners
Avatar for Xanvria LLC
Xanvria LLC
5.0(
5
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or Upgrade

Serving Woodlawn, MD and surrounding areas

Approved

Free estimates

Credit card accepted

"We had Xanvria remove the old insulation in our attic, air seal the attic, and install new R-49 batts. They did a really good job, were professional, and explained what they were doing along the way. Everything came out clean and we?re very happy with the work. I would definitely recommend them."
before
after
Insulation
Insulation
2 neighbors recently requested a quote
Cameron Home Insulation
4.6(
40
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install+2 more

Serving Woodlawn, MD and surrounding areas

In business since 1907

Free estimates

Credit card accepted

"There was a problem initially with the radiant barrier installation - the first crew of two were installing 30" wide rolls lengthwise along the roof end to end  instead of from ridge to eave as the manufacturer recommends and made a couple of other minor mistakes which were easily corrected. After talking to the manufacturer, the sales rep offered to take out what had been installed and re-install according to spec or continue as already done with sealing of all seams and a discount on the job. Done this way, the foil would not have the insulation properties per spec but would provide the radiant barrier I desired. I chose the letter option and the barrier work was continued by another crew on the 2nd day. On the 3rd day the crew finished up with the barrier then blew in the installation.

With the exception of the initial problem, the work was done neatly and professionally by courteous workmen who cleaned up completely after the job was done.

"
Recommended by100%of homeowners
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Insulation FAQs, answered by experts

Depending on where you live and the conditions of your basement, you may not need to insulate your basement. Your best bet is to talk to a basement remodeling company to find out what they recommend doing.

Insulating your basement can help improve your home's energy efficiency, but it will also increase the cost of your basement remodel project. The average cost of installing basement insulation is $2,400.

The lifespan of insulation depends on the material type. Fiberglass can last between 80 and 100 years, but it is important to start checking it around the 15-year mark. Spray foam has a lifespan of up to 100 years, and mineral wool can last up to 100 years. Cellulose, an eco-friendly option, has a lifespan of 20 to 30 years.

In nearly all cases, you are required to install a vapor barrier in your crawl space. However, local regulations will change based on the local climate and the crawl space's susceptibility to moisture. Even if a vapor barrier is not legally required, it is often a good idea to keep your crawl space dry.

Expect your home insulation project to take between five and 12 hours to complete on average for batts or boards and two to five hours for spray foam or blown-in insulation. It might take longer if you need to remove your home’s existing insulation, you have a higher-than-average square footage, or accessibility is limited.

The most energy-efficient windows are double—or triple-pane windows with low-emissivity (Low-E) coatings and gas fills between the panes. These windows reduce heat transfer, prevent drafts, and help maintain a consistent indoor temperature. But if replacing windows isn’t in your budget, pairing your existing windows with insulating window treatments can still make a noticeable difference in home comfort and monthly bills. 

The Woodlawn, MD homeowners’ guide to insulation services

From average costs to expert advice, get all the answers you need to get your job done.