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Find Insulation pros in Barnwell

Avatar for Home Genius Exteriors
Home Genius Exteriors
4.9(
390
)

Serving Barnwell, SC and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"Home Genius did an amazing job on my windows and siding protect of the entire home. AJ, Dylan and Mike the project managers all were easy to work with and made the this process very easy. Would highly recommend for your exterior needs"
Asphalt Roofing
Asphalt Roofing
Asphalt Roofing
Asphalt Roofing
Asphalt Roofing

+5

858 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Koala Insulation of The Midlands
Koala Insulation of The Midlands
5.0(
3
)

Serving Barnwell, SC and surrounding areas

Approved

In business since 2023

Free estimates

Credit card accepted

"I received the best estimate from Chris with Koala Insulation of the midlands. Chris guided me every step of the way from answering every phone call and every text message at any time. Chris was very thorough in his work and providing me the best quote I have received. I highly recommend Chris and koala insulation. I am very happy with my results and their work!"
Ancient Fiberglass Removal
Ancient Fiberglass Removal
Blow-In Fiberglass
Blown-in fiberglass
Removal of cellulose

+13

Response time2 days
13 neighbors recently requested a quote
Recommended by66%of homeowners
Better Built Custom Home Builders
5.0(
1
)

Serving Barnwell, SC and surrounding areas

Approved

In business since 2022

Free estimates

Small jobs welcome

Better Built Custom Home Builders 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. \n \nBetter Built Custom Home Builders 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. \n \nWe look forward to working with you!

Response time7 hrs
Recommended by100%of homeowners
Avatar for All Foam Insulation of the Carolinas
All Foam Insulation of the Carolinas
4.5(
13
)
Insulation - Install or Upgrade

Serving Barnwell, SC and surrounding areas

In business since 2010

Free estimates

Credit card accepted

"Did not do work, but pricing was competitive with everyone else.  Invoice got lost in junk e-mail, so did not think I ever received invoice, but I found it a month or so after job was completed again.  If\when I have another job will call All Foam and make sure Invoice doesn't get lost in junk e-mail!
"
Recommended by100%of homeowners
Avatar for Advanced Spray Foam and Coatings, LLC
Advanced Spray Foam and Coatings, LLC
4.7(
21
)

Serving Barnwell, SC and surrounding areas

In business since 2015

Free estimates

Credit card accepted

"Eric and his team at Advanced Spray Foam and Coatings exceeded expectations with their roof work, clear communication, quick and quality service, at an excellent price. Highly recommend for their commitment to excellence and customer satisfaction!"
Response time2 days
Recommended by95%of homeowners
Avatar for Energy Sharks Heating & Air
Energy Sharks Heating & Air
4.4(
39
)
Insulation - Install or Upgrade

Serving Barnwell, SC and surrounding areas

In business since 2012

Free estimates

Credit card accepted

"It was incredible!!!! They showed up in the morning at 7:15 sharp with 4 well-equipped gentlemen and left 3 hours later with my two brand new York HVAC units completely installed, floors were left clean, everything was absolutely impressive! They were very respectful and professional. I couldn't be happier with this experience and the price was very fair!"
Commercial Oven Wraps
LED & CFL Bulbs
Duct Sealing
Recommended by88%of homeowners
Avatar for ADT Solar
ADT Solar
4.4(
111
)
Insulation - Install or Upgrade

Serving Barnwell, SC and surrounding areas

In business since 2008

Free estimates

Warranties offered

"MARC JONES CONSTRUCTION TEAM  ARRIVED ON SCHEDULE AND INSTALLED THE SOLAR ARRAY OVER TWO DAYS.  ON MONDAY, WE HAD INSPECTION AND A FEW DAYS LATER THE ATTIC WAS INSULATED WITH FOAM TO REDUCE HEAT LOAD ON AIR CONDITIONING SYSTEM.  EVERYTHING WENT SMOOTHLY EXCEPT FOR INADVERTANTLY UNPLUGGING THE SYSTEM CIRCUITBREAKER DURING THE FOAMING OPERATIO.
"
11 kW PV Installation
5 kW PV Installation
9.5 kW PV Installation
Recommended by89%of homeowners
Showing 1-10 of 16

FAQs for insulation service projects in Barnwell, SC

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 Barnwell, SC 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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