Top-rated insulation pros.

Best insulation pros near Harleyville, SC

Enter your zip and get matched with up to 5 pros

Need a pro for your insulation service project in Harleyville, SC?

Select your specific project to find the pro for you.

Top-Rated Insulation pros in Harleyville - Updated Nov 2026

Avatar for Home Genius Exteriors
Home Genius Exteriors
4.8(
410
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or Upgrade

Serving Harleyville, SC and surrounding areas

Approved

In business since 2004

Free estimates

Warranties offered

Elevate your home with Home Genius Exteriors, setting the standard in Charleston by offering full-service solutions for roofing, siding, windows, doors, gutters and insulation. We support our veterans and communities by supporting local and national charitable organizations through our Home Genius Cares initiative. With an Owens Corning® Platinum Preferred designation, we also offer flexible payment options, industry leading warranties and a wide range of premium products tailored for your home. It's time for a different experience, entrust your next home project to a genius and schedule your free inspection today!

Asphalt Roofing
Asphalt Roofing
Asphalt Roofing
Asphalt Roofing
Asphalt Roofing

+53

422 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for All Foam Insulation of the Carolinas
All Foam Insulation of the Carolinas
4.5(
13
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install+2 more

Serving Harleyville, 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 Thermal Core Insulation, LLC
Thermal Core Insulation, LLC
3.2(
3
)
Batt, Rolled or Reflective Insulation - Install or UpgradeInjection Insulation - InstallSpray Foam Insulation - Install

Serving Harleyville, SC and surrounding areas

In business since 2006

Free estimates

Small jobs welcome

Thermal Core Insulation, LLC, is your one stop shop for all Insulation projects! With our extensive experience in serving your area, there is no job to big or small! We pride ourselves on quality and with our world class customer service and competitive pricing, you will choose us every time! Call us today!

Interior Walls  and Hardwood Floors
Marsh Deck
Interior Walls and Hardwood Floors
Balcony
Balcony

+11

Response time2 days
Recommended by50%of homeowners
Showing 1-10 of 15
Insulation FAQs, answered by experts

Asphalt roofs provide better insulation than metal roofs, but that doesn’t always mean that asphalt roofs are better for reducing heating and cooling bills. In hotter climates, metal roofs will usually be better for home efficiency because the material reflects more sunlight and reduces solar heat gain. In colder climates, asphalt roofs are sometimes superior in terms of efficiency because they introduce more solar heat gain to your home and have greater insulating capabilities. However, metal roofs installed with an air gap can provide similar levels of insulation.

Structural insulated panels and rigid foam boards have the highest R-value of any insulation that contractors commonly use, with R-values reaching up to around 8.0. These types of insulation are best in extremely cold climates, but they’re generally preferred for new construction, as they can be challenging to retrofit. Blown-in and loose fill insulation provide the next best insulative value, provided the installation is done properly. It’s important to choose an insulation type that meets your needs based on climate, as maximizing R-value may not always be financially worthwhile if you live in a moderate climate.

R-value stands for resistance value and is a number assigned to insulation that states how good the insulation is at heat transference (insulation). The R-value of injection foam is around 4 which homeowners will be happy to know is actually quite good. Another benefit of injection foam versus fiberglass foam is that the colder it gets, the more injection foam retains its resistance properties, whereas fiberglass tends to lose its efficiency in colder temperatures.

Depending on where you live and the conditions of your basement, you may not need to insulate your basement. Your best bet is to talk to a basement remodeling company to find out what they recommend doing.

Insulating your basement can help improve your home's energy efficiency, but it will also increase the cost of your basement remodel project. The average cost of installing basement insulation is $2,400.

High humidity, bad insulation, warmth from sunlight, and poor circulation are all reasons your home’s hotter inside than out. While this is what you want in the colder months, summer can become unbearable if this is a constant. Try to find the cause, but you need to remember that issues like this require a permanent fix (unless you want to bear down during the summer months).

The Harleyville, SC homeowners’ guide to insulation services

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