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Find Insulation pros in Beloit

Avatar for Elite Insulators
Elite Insulators
4.8(
21
)

Serving Beloit, WI and surrounding areas

Approved

In business since 2016

Free estimates

Warranties offered

"Owner Kyle Driessen and his team were prompt, courteous, and highly knowledgeable. They provided a thorough assessment of my home’s insulation needs and offered clear, honest recommendations without any pressure. Their expertise in spray foam insulation was particularly impressive, ensuring that every nook and cranny was properly sealed."
Cathedral Ceilings
Ceiling/Wall
Walls
Amish Ice Box
Amish Ice Box

+56

Response time2 days
Recommended by57%of homeowners
RetroFoam of Wisconsin Inc.
New to Angi

Serving Beloit, 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.

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

Serving Beloit, 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 Saunders Insulation Specialists
Saunders Insulation Specialists
5.0(
6
)

Serving Beloit, WI and surrounding areas

In business since 1977

Free estimates

Credit card accepted

"Saunders Insulation was professional from start to finish. They came as scheduled and did an excellent job. I would recommend them to anyone who wants to improve the comfort of their home."
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+5

Recommended by100%of homeowners
Avatar for Saunders Insulation Specialists
Saunders Insulation Specialists
3.1(
230
)

Serving Beloit, WI and surrounding areas

In business since 1977

Credit card accepted

"Saunders installed a bath exhaust fan and light as well as attic insulation for us. Very professional and efficient - a timely installation, performed very soon after contract was written. Great people to work with and great cleanup after. Highly recommend. Also Home Advisor worked well; contact was made within hours of submission."
Recommended by69%of homeowners
Avatar for Skylights by Solar*Brite Ltd
Skylights by Solar*Brite Ltd
4.9(
36
)

Serving Beloit, WI and surrounding areas

In business since 1995

Free estimates

Credit card accepted

"The three men involved in the installation were courteous, professional, knowledgeable and efficient.  The entire project was done within about 3 hours and the results are absolutely amazing!  We LOVE the light these Solatubes provide and may get one or two more. I wish we'd done this sooner!
"
Master Closet after Solatube
Master Bath after Solatube
Master Closet after Solatube
Recommended by100%of homeowners
Avatar for Schloesser Construction
Schloesser Construction
5.0(
11
)

Serving Beloit, WI and surrounding areas

In business since 1976

Free estimates

"Went great..we chose parco windows, mastic siding with versetta stone accent on the front. The stone was a first for Schloesser Construction so the researched 1st and came prepared. The did a wonderful job and we are very please. Mike was diplomatic in guiding us with our choices and helped us make solid choices. Very pleased with quality, looks of the work/products. Steve and his crew were fantastic as well. Sorry for all the wasps guys."
Additional Photos
Recommended by100%of homeowners
Showing 1-10 of 23

FAQs for insulation service projects in Beloit, 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 Beloit, 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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