The Best Insulation Contractors in Greenville, CA

Compare the highest-rated insulation professionals in Greenville, California. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Feather River Insulation

4.8
(85 reviews)
Verified

A highly-rated, local contractor specializing in comprehensive insulation solutions for residential and commercial properties throughout Plumas County. They are known for their expertise in both new construction and retrofit projects, with a strong focus on improving home energy efficiency in the Sierra Nevada climate.

436 Main St, Greenville, CA 95947

Specialties & Features

Blown-in insulation
Spray foam insulation
Crawl space insulation

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Sierra Energy Solutions

4.7
(120 reviews)
Verified

Based in the larger nearby hub of Susanville, this company serves a wide region including Plumas County. They are recognized for their professional energy audits and advanced air sealing techniques, helping homeowners qualify for various energy rebate programs.

1710 Main St, Susanville, CA 96130

Specialties & Features

Energy efficiency audits
Air sealing services
Attic insulation upgrades

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#3

Koala Insulation of Chico

4.9
(150 reviews)
Verified

While based in Chico, this franchise is part of a national brand known for its high service standards and comprehensive offerings. They actively service a wide radius that includes the Greenville area, particularly for larger projects like full-home insulation removal and replacement. They are a strong option for homeowners seeking a well-structured, corporate-level process.

2454 Notre Dame Blvd, Chico, CA 95928

Specialties & Features

Insulation removal and replacement
Wall insulation services
Basement and crawl space insulation

Business Information

Years in Business:8 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in Greenville

** The insulation market in Greenville, California, is characteristic of a rural mountain community. The local competition is not dense, with only one or two dedicated providers like Feather River Insulation operating directly within the town. This necessitates reliance on reputable contractors from regional service centers like Susanville (Lassen County) and Chico (Butte County), who regularly cover the broader Northern Sierra region. The average quality of service is high, as contractors in this area must be well-versed in the specific challenges of the Sierra climate, including heavy snow loads, significant temperature swings, and strict wildfire zone building codes. Pricing is typically above the national average due to the remote nature of the work, travel costs, and the high demand for energy efficiency in an area with harsh winters. Homeowners are generally well-served by the available options, especially those who prioritize contractors with specific local knowledge and certifications for state and utility rebate programs (like those from Energy Upgrade California).

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 Greenville regulations and climate

Frequently Asked Questions About Insulation in Greenville

Get answers to common questions about insulation services in Greenville, California.

1How does Greenville's high-elevation, mountain climate affect my insulation choices?

Greenville's climate features hot, dry summers and cold, snowy winters, demanding insulation that performs year-round. We recommend higher R-values (especially for attics) to retain heat in winter and resist heat gain in summer, with materials like blown-in cellulose or fiberglass batts being common, effective choices. Proper air sealing is also critical here to combat the significant temperature swings and prevent drafts that increase energy costs.

2What is the typical cost range for adding or upgrading attic insulation in a Greenville home?

Costs vary by home size, material, and existing conditions, but for a standard 1,500 sq ft attic, you can expect a range of $1,500 to $3,500. Regional factors like material transport to our mountain community and the need for higher R-values (often R-49 to R-60 for attics per California Title 24) influence pricing. Always get a detailed, in-home estimate that includes air sealing, as this greatly impacts final performance and value.

3Are there any specific local permits or regulations in Plumas County I need to know about for insulation work?

While basic retrofit insulation often doesn't require a permit, any work involving structural changes, electrical, or HVAC does. Crucially, all work must comply with California's strict Title 24 Building Energy Efficiency Standards. A reputable local contractor will know these codes intimately, including requirements for high-performance insulation in our climate zone (CZ 16), and will handle any necessary permits or documentation.

4When is the best time of year to schedule insulation work in Greenville?

The ideal times are late spring (May-June) and early fall (September-October). These periods typically offer milder, drier weather, which is safer for contractors working in your attic and allows for proper ventilation during installation. Scheduling outside of the peak summer heat and before the heavy winter snows sets in also helps ensure project availability and protects your home's comfort during extreme seasons.

5What should I look for when choosing a local insulation contractor in the Greenville area?

Prioritize contractors with proven local experience who understand our specific climate challenges and wildfire zone considerations (like using non-combustible materials where needed). Verify they are licensed (California CSLB), insured, and provide detailed quotes that include air leakage testing and sealing. Ask for local references and check reviews, as a reliable contractor familiar with Plumas County homes will be best equipped to address our unique older home stock and weatherization needs.