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Find Insulation pros in New London

RetroFoam of Wisconsin Inc.
New to Angi

Serving New London, WI and surrounding areas

Approved (Corporate)

Free estimates

Credit card accepted

Offers commercial services

RetroFoam of Wisconsin specializes in RetroFoam injection foam insulation for existing walls, helping homeowners improve comfort and energy efficiency without the mess or disruption of a full remodel. Our insulation solution is designed to reduce drafts, help maintain consistent indoor temperatures, and make homes more comfortable year-round. We serve homeowners across the state. Whether you live in a historic home or a newer build, our team provides a proven insulation solution tailored to your needs.

11 neighbors recently requested a quote
Avatar for Patriot Spray Foam L.L.C.
Patriot Spray Foam L.L.C.
New to Angi

Serving New London, WI and surrounding areas

Approved

In business since 2022

Free estimates

Credit card accepted

We’re a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. Our services are customized to the individual project, paying close attention to the details of each project that we're involved with. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guaranteeing your satisfaction!\n

Response time10 hrs
Avatar for Keeney Home Services
Keeney Home Services
5.0(
1
)

Serving New London, WI and surrounding areas

Approved

In business since 2000

Free estimates

Credit card accepted

At Keeney Home Services, our commitment to excellent service sets us apart from other home improvement companies. We are true masters of our craft and hold numerous certifications and awards for both our workmanship and our customer service. We hold third-party recognition that includes the GuildQuality Award for Service Excellence and an A+ rating with the Better Business Bureau. We are also members of several Home Builders Associations throughout the area and are certified by Good Housekeeping.\n\nAdditionally, our technicians are factory-trained in every product we offer, ensuring your new products are installed flawlessly to maximize their performance. Our top-of-the-line products include GutterShutter® Gutters, GAF asphalt shingle roofing, and Ultimate Attic Solution insulation. Our expertise in each of these products as well as their proper installation is why homeowners throughout Northeast Wisconsin prefer us over other home improvement companies in the area.\n \n

4 neighbors recently requested a quote
Avatar for Stendahl Exteriors
Stendahl Exteriors
4.1(
252
)

Serving New London, WI and surrounding areas

In business since 2005

Credit card accepted

"Stendahl Exteriors was very knowledgeable about the insulation problem/getting a new roof and new siding. They were able to complete the work in a very timely manner.  We weren't planning on the insulation being done but they were very helpful and courteous in helping us fix this."
Before
During
Completion
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+3

Recommended by82%of homeowners
Avatar for BayTherm Insulation, LLC
BayTherm Insulation, LLC
3.3(
13
)

Serving New London, WI and surrounding areas

In business since 1995

Free estimates

"I had a Ice Dam in December, due to that the attic needed to upgrade the insulation along with additional proper vents. Had several bids Bay Therm had the best bid, plus they took the time to explain every step very pleased with Bay Therm."
Recommended by87%of homeowners
Avatar for 1st Choice Pest Control & Restoration
1st Choice Pest Control & Restoration
5.0(
4
)

Serving New London, WI and surrounding areas

In business since 2014

Emergency services offered

Warranties offered

1st Choice Pest Control & Restoration is a leader in providing our customers with the highest quality service 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!

Injection Drying
Tech
Demo
Response time1 day
Avatar for American Home Shield – Home Warranty
American Home Shield – Home Warranty
3.5(
5,688
)

Serving New London, WI and surrounding areas

In business since 1971

Credit card accepted

"Roberto was the technician and he was very professional, polite, and personable. He inspected the rest of our system and told us things that needed to be changed or repaired. He showed me pictures of everything. Everything he told me about was accurate. He quoted me a price for R38 insulation , Some of our ducts were plastic and he recommended them to be changed. I agreed completely and didn't know they were plastic. I would have had them done the work but I had no price comparisons to make and besides I didn't have the money right then. So he just finished the vent cleaning and left his card. He did a great job on the vent cleaning and was happy with the work."
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+2

Recommended by65%of homeowners
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FAQs for insulation service projects in New London, WI

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.

The New London, WI homeowners’ guide to insulation services

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

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