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    Average homeowner rating
  • Verified reviews icon66
    Verified insulation services reviews

Find Insulation pros in Harwood

Avatar for RetroFoam of Philadelphia
RetroFoam of Philadelphia
5.0(
22
)
Spray Foam Insulation - InstallInjection Insulation - Install

Serving Harwood, 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%
113 neighbors recently requested a quote
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 Harwood, MD and surrounding areas

Approved

In business since 2009

Free estimates

Credit card accepted

"I hired Atlas Home Energy Solutions to remove old insulation and replace it with the foam technique. However, I ran into numerous unexpected problems due to a slow leak from old pipes. It took awhile to sort out. Atlas Home Energy Solutions gave me lots of expert advice. They were willing to come out and review the situation. They were also willing to reschedule and wait until another contractor dealt with the water issue and its ensuing problems. They helped me make some difficult decisions before they could insulate the crawl space. When it was ready for them to come and insulate the area they bumped their schedule forward to get it done. This company did sterling work. Their expertise and professionalism were outstanding. They really know what they are doing and guided me through a more protracted process than originally envisioned. I would highly recommend them to anyone."
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
New to Angi
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or Upgrade

Serving Harwood, MD and surrounding areas

Approved

Free estimates

Credit card accepted

Xanvria is a licensed and insured insulation contractor specializing in attic and crawl space services throughout Maryland. We help homeowners improve comfort, energy efficiency, and the condition of their homes with insulation installation, insulation removal, air sealing, attic cleaning, crawl space insulation, crawl space encapsulation, vapor barriers, and rodent proofing.\n\nWith more than 15 years of hands-on experience, we inspect each attic or crawl space carefully and recommend only the work the home actually needs. Whether you are dealing with high energy bills, old or contaminated insulation, rodents, moisture, musty odors, cold floors, or an unhealthy crawl space, Xanvria can provide a clear plan and written estimate.\n\nWe are committed to professional workmanship, honest recommendations, clean job sites, and dependable communication from the initial inspection through completion.\n\nMHIC #05-168337. Free inspections and estimates.

Advanced Green Home Solutions
New to Angi
Blown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving Harwood, MD and surrounding areas

Approved

In business since 2021

Free estimates

Credit card accepted

Advanced Green Home Solutions is dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. Advanced Green Home Solutions is a leader in providing our customers with the highest quality products and craftsmanship in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you!

Response time2 days
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Insulation questions, answered by experts

If you need to insulate behind finished walls, the best option will likely be to have an insulation professional install blown-in insulation. The installation requires small holes cut in your wall, after which the installer can blow loose-fill insulation into the void. After the installation, you’ll have minor drywall patching, which shouldn’t cost more than $100. Compared to ripping down the existing drywall, using a different type of insulation, and replacing and finishing the drywall, this should save you hundreds or even thousands, depending on the size of the room you’re insulating.

Unfortunately, pipes can freeze when exposed to prolonged freezing temperatures, whether or not you have installed insulation covers. Insulation covers, however, are still an excellent idea as they can reduce the chance of your pipe freezing by keeping the pipes closer to the temperature of the water inside the pipe.

You can insulate an existing garage door. But while it’s a cost-effective option upfront, it may not perform as well as a garage door that comes with insulation. If you live in a colder climate—or if you plan on working in your garage and need a new door—you should purchase one with existing insulation for better efficiency. 

For standard 2x4 walls, the ideal insulation has an R-value between R-13 and R-15. This level of insulation, typically around 3.5 inches thick, fits well within the wall cavity. Common options include fiberglass batts and spray foam. The best choice for your home can depend on your climate; use R-value maps, like those from Energy Star, to determine the recommended level for your region. For colder climates, you might also consider adding exterior insulation for greater efficiency. Always check with your local building codes to ensure you meet any required standards.

Insulation provides additional protection for your tankless water heater. Even if the unit is installed inside the house, it’s still a good idea to wrap the unit up with insulation batts, especially if you live in cold climates. For outdoor units, you can build an insulated box around the tankless water heater for freeze protection.

The Harwood, MD homeowners’ guide to insulation services

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