The Best Insulation Contractors in Winston Salem, NC

Compare the highest-rated insulation professionals in Winston Salem, North Carolina. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Koala Insulation of Piedmont Triad

4.8
(150 reviews)
Verified

A highly-rated, modern insulation company that emphasizes education and energy efficiency. They are known for their detailed free estimates and expertise in both new installation and replacement of old, inefficient insulation. They serve the entire Piedmont Triad, including Winston-Salem.

401 S. Swing Rd, Greensboro, NC 27409 (Serves Winston-Salem)

Specialties & Features

Blown-in insulation
Spray foam insulation
Insulation removal and replacement

Business Information

Years in Business:5 years
Licensed:Yes
Insured:Yes
#2

A+ Insulation

4.7
(200 reviews)
Verified

A well-established local contractor with a strong reputation for reliability and quality workmanship across a wide range of insulation services. They are often praised in reviews for their professional crews and clear communication.

200 Staley Dr, Kernersville, NC 27284 (Serves Winston-Salem)

Specialties & Features

Attic insulation installation and upgrade
Crawl space insulation
Air sealing services

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

Energy Guard Insulation & Home Performance

4.6
(80 reviews)
Verified

This company specializes in a comprehensive home performance approach. They are experts in combining insulation with air sealing to maximize home comfort and energy savings, and they are well-versed in the science of building envelopes.

109 N. Regional Rd, Greensboro, NC 27409 (Serves Winston-Salem)

Specialties & Features

Energy efficiency audits
Air sealing services
Spray foam insulation

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in Winston Salem

** The insulation market in Winston Salem is competitive and service-oriented, driven by the city's humid subtropical climate with hot summers and cool winters, which creates a high demand for year-round climate control. The market consists of a mix of long-standing local specialists and regional branches of national brands. **Average Quality:** The quality is generally high, with several contractors holding advanced certifications from organizations like the Building Performance Institute (BPI), indicating a move towards whole-home performance solutions rather than just material installation. **Competition Level:** The market is moderately competitive. While there are many general contractors who offer insulation, the top-tier is occupied by a smaller group of dedicated insulation specialists who differentiate themselves through expertise in air sealing, energy audits, and knowledge of local utility rebates (e.g., from Duke Energy). **Typical Pricing:** Pricing is in line with national averages and is highly dependent on the project scope and material. * **Blown-in Attic Insulation:** $1,500 - $2,500 for an average home. * **Spray Foam Insulation:** $3,500 - $7,500+ (significantly more expensive but offers superior R-value and air sealing). * **Air Sealing Service:** $500 - $2,000, often performed in conjunction with insulation. Most reputable companies offer free, detailed estimates, and homeowners are encouraged to get multiple quotes to compare both price and the proposed solution.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Winston Salem regulations and climate

Frequently Asked Questions About Insulation in Winston Salem

Get answers to common questions about insulation services in Winston Salem, North Carolina.

1What is the best type of insulation for my attic in Winston Salem's climate?

For our humid subtropical climate with hot summers and cool winters, spray foam and blown-in fiberglass are top choices. Spray foam provides an excellent air seal against humidity, while blown-in fiberglass is cost-effective and great for filling irregular attic spaces in older Winston Salem homes. The Department of Energy recommends higher R-values (R-38 to R-60) for our region to manage both summer heat gain and winter heat loss effectively.

2How much does attic insulation typically cost for a Winston Salem home?

Costs vary based on home size and material, but for a standard 1,500 sq ft attic, expect $1,500 to $3,500 for blown-in fiberglass or cellulose, and $3,500 to $7,500+ for spray foam. Local factors like attic accessibility in historic districts (e.g., West End, Ardmore) can increase labor costs. Many Winston Salem providers offer free estimates, and North Carolina's Duke Energy may offer rebates for qualifying insulation upgrades.

3When is the best time of year to install insulation in Winston Salem?

Fall (September-November) and early spring (March-April) are ideal, offering mild temperatures for contractors to work safely in your attic. Scheduling during these shoulder seasons also ensures your home is prepared before Winston Salem's peak summer humidity and heat or the occasional winter cold snaps. Avoid the peak summer heat for attic work, as it can be dangerously hot for installers and may affect some materials.

4What should I look for when choosing an insulation contractor in Winston Salem?

Always verify the contractor is licensed by the North Carolina Licensing Board for General Contractors and carries proper insurance. Look for local experience with Winston Salem's mix of historic and newer homes, as techniques differ. Ask for references in neighborhoods like Pfafftown or Kernersville and check for certifications from manufacturers (like Owens Corning) or industry groups (BPI).

5My energy bills are high year-round. Could poor insulation be the cause, and what are local signs to look for?

Absolutely, given our climate. Specific local signs include uneven temperatures between floors, ice dams on roofs during our occasional winter freezes, and excessive dust or pollen infiltration during Winston Salem's high-pollen seasons. You may also feel drafts around windows and doors in older homes, a common issue in many neighborhoods built before modern energy codes. A professional energy audit can pinpoint if inadequate insulation is the primary culprit.