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Top-Rated Spray foam insulation pros in Wittman - Updated Nov 2026

Avatar for RetroFoam of Philadelphia
RetroFoam of Philadelphia
5.0(
22
)

Serving Wittman, MD and surrounding areas

Approved (Corporate)

In business since 2023

Free estimates

Warranties offered

"They were on time ( actually showed up 30 minutes early) and very quick at completing the job! Cleaned up the job site very well ! I would definitely recommend this company for all interested in getting spray foam installed in theyâ re home!!"
RetroFoam Wall Insulation
Installing RetroFoam
RetroFoam with Siding
RetroFoam with Brick
Response time1 day
Response rate100%
125 neighbors recently requested a quote
Avatar for Peninsula Insulation, LLC
Peninsula Insulation, LLC
5.0(
8
)

Serving Wittman, MD and surrounding areas

Approved

In business since 2021

Free estimates

Credit card accepted

"Will did the estimate same day. Was resonable job was done few days later. They wete quick and efficient. I would definitely recommed this company."
Shed to office space
Shed to office space
Crawl Space Encapsulation
Crawl Space Spray Foam
Pole Barn Spray Foam

+2

Response time2 days
6 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Xanvria LLC
Xanvria LLC
5.0(
5
)

Serving Wittman, 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
Advanced Green Home Solutions
New to Angi

Serving Wittman, 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
Avatar for Total Home Performance, LLC
Total Home Performance, LLC
4.8(
17
)

Serving Wittman, MD and surrounding areas

In business since 2009

Free estimates

Offers commercial services

"Total Home Performance is my trusted source for mold, moisture, crawlspace, attic and related issues. They have done multiple projects for me to improve my recently purchased historic home, which had numerous moisture and mold problems resulting from years of neglect and improper work. They encapsulated the old unimproved sections of crawlspace under the house and newer sun porch addition and installed a dehumidifier and sump pump, blew spray foam into the attic, and have consulted on numerous improvements I wanted to make. All these improvements have lowered my energy bills significantly as they indicated, and allowed me to sleep at night, knowing I'm breathing cleaner air now that the crawlspace is clean and encapsulated. Matt, Derek and their team of workers are extremely professional and great to work with. Their prices are reasonable (even coming in below estimate and charging me the lower amount), their workers are neat and considerate, and their work is top notch. It is an extreme pleasure to work with such a professional company in an area where this kind of quality is rare. Many of my neighbors use them and praise them as well. Highly recommended and deserving of a 5-star rating."
Crawl Space Encapsulation w/ AprilAire Dehu
Crawl Space Encapsulation
Crawl Space Access
Crawl Space Access Door
Crawl Space Encapsulation

+11

Response time2 days
Recommended by88%of homeowners
Avatar for MidAtlantic Pest Services
MidAtlantic Pest Services
4.3(
74
)
Insulation - Install or Upgrade

Serving Wittman, MD and surrounding areas

In business since 1975

Free estimates

Emergency services offered

"I purchased a Big Deal to have three mosquito treatments.  The first two schedulings went fine.  They even worked with me to reschedule treatment # 2 due to the rain forecast.  My back yard gets puddles when it rains which attract a lot of mosquitos.  I requested they pay special attention to that area. I accidently sprayed lavender on a window screen and noticed a lot of mosquitos had later been found on the screen.  I can imagine what would have happened if I had gone outside with a hint of scented lotion or spray.
I don't know what happened; but, they did not come out for treatment # 3 that was scheduled.  I've reached out to them via Angie's list message system and have yet to hear back from them.  They would have gotten almost all "A's" had they responded.  I know things happen, but I did pay for three treatments.  It is now too cold to treat.
The technician and the office personnel were both friendly and professional.  I really liked that I could schedule all three appointments online.  They responded and approved my appointment request online.  /I'm sure it was an over site.  I just would have liked to have gotten all treatments that I paid for.....which was three.
"
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Recommended by82%of homeowners
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FAQs for spray foam insulation projects in Wittman, MD

Old insulation should be removed when it shows damage, contamination, or heavy deterioration. If you notice water stains, rodent droppings, mold, or large gaps, plan on taking it out to protect your home’s energy performance and indoor air quality. Removing compromised material eliminates health hazards, cuts energy loss, and sets the stage for a safer, more efficient attic—all while keeping utility bills in check.

R-value measures how well insulation resists heat flow—the higher the number, the better it slows heat transfer. The right R-value keeps your home warmer in winter and cooler in summer, saving energy year-round. Match the rating to your climate zone and have a pro verify performance over time, because moisture or settling can lower R-value and cut efficiency.

Attic insulation can stay in place for 80 to 100 years, but its performance often drops after the first 15. As dust, moisture, or mold build up, the material loses R-value and allows heat to escape. Schedule periodic inspections so a pro can tell you when replacement makes sense—helping you keep energy bills down and indoor comfort up.

You can over-insulate an attic. Beyond the recommended R-value, extra layers don’t add efficiency and can trap moisture, leading to mold or reduced performance. A local insulation pro can measure current levels, confirm the right target for your climate, and advise on any adjustments so you avoid future energy or maintenance headaches.

Insulation can be damaged by mold, pests, water leaks, or accidental electrical contact. When the material is compromised, it loses R-value and can introduce health hazards. Removing and replacing affected sections restores efficiency, while routine inspections from a qualified pro help you catch problems early and keep your attic safe and energy-smart.