The Best Insulation Contractors in El Dorado, CA

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

#1

Sierra Insulation Company

4.8
(180 reviews)
Verified

A highly-rated, locally-owned and operated insulation specialist serving the entire Sierra Foothills region, including El Dorado County. They are known for their expertise in both new construction and retrofit projects, with a strong focus on improving home energy efficiency. They are often recommended for their knowledgeable staff and clean installations.

4350 Golden Center Dr, Placerville, CA 95667 (Serves El Dorado)

Specialties & Features

Spray foam insulation
Blown-in attic insulation
Crawl space encapsulation

Business Information

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

Attic Masters Insulation

4.7
(220 reviews)
Verified

This company has built a strong reputation specifically in attic services and comprehensive home performance upgrades. They emphasize a holistic approach, often combining insulation with air sealing to maximize energy savings. Their reviews consistently praise their professionalism and detailed energy audits.

Serving the Greater Sacramento & El Dorado County areas.

Specialties & Features

Attic insulation removal and replacement
Energy efficiency audits
Air sealing services

Business Information

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

Koala Insulation of Sacramento & El Dorado Hills

4.9
(150 reviews)
Verified

Part of a national brand with a strong local franchise, Koala Insulation is known for its customer education and use of eco-friendly and recycled material options. They offer a wide range of insulation types and are proficient in handling both residential and commercial projects in the area.

Serving El Dorado Hills, Cameron Park, and surrounding areas including El Dorado.

Specialties & Features

Blown-in insulation
Batt insulation for walls
Insulation removal services

Business Information

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

Why These Are the Top Insulation Contractors in El Dorado

** The insulation market in El Dorado County is characterized by a mix of highly skilled local specialists and regional companies extending their service from the Sacramento area. The competition is moderate but quality is generally high, driven by the local climate—with hot, dry summers and cool, wet winters—which creates a significant demand for energy-efficient home solutions. A key factor in this market is the prevalence of older homes, leading to a high volume of insulation *upgrade* and *replacement* projects rather than just new construction. Providers are typically well-versed in local building codes and are knowledgeable about available rebates from providers like SMUD and PG&E, as well as federal tax credits for energy efficiency. Typical pricing is competitive but can be on the higher end for premium services like spray foam. As a rough guide: * **Blown-in Attic Insulation:** $1,500 - $4,000 * **Spray Foam (Roofline):** $4,500 - $7,500+ * **Wall Insulation (Blown-in):** $2,000 - $4,500 * **Whole-House Energy Audit:** $300 - $600 Consumers are advised to obtain multiple quotes and verify contractor licensing with the CSLB before proceeding.

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 El Dorado regulations and climate

Frequently Asked Questions About Insulation in El Dorado

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

1What are the most important insulation considerations for El Dorado County's climate?

El Dorado County experiences hot, dry summers and cold, sometimes snowy winters, making year-round comfort a challenge. The most critical areas to insulate are the attic and roof to block intense summer heat and retain winter warmth, followed by walls and floors over unheated crawl spaces. Using materials with appropriate R-values for our climate zone (like R-38 to R-60 for attics) is essential for efficiency and preventing ice dams in higher-elevation areas like Pollock Pines or South Lake Tahoe.

2Are there any local rebates or incentives for insulation upgrades in El Dorado?

Yes, homeowners should first check with the El Dorado County Energy Watch program and the statewide TECH Clean California initiative, which often have incentives for adding insulation. Additionally, you are eligible for federal tax credits for qualified insulation improvements. Your local insulation contractor should be well-versed in these programs and can often help with the application process to offset your project cost.

3When is the best time of year to install insulation in the El Dorado foothills?

Late spring (April-May) and early fall (September-October) are ideal. These periods typically offer mild, dry weather, which is safer for contractors working in attics and allows for proper ventilation during installation. Avoiding the peak summer heat makes the attic work more bearable, and scheduling before the winter rainy and snowy season ensures your home is sealed and efficient when cold weather arrives.

4How do I choose a reliable insulation contractor in El Dorado County?

Always verify the contractor is licensed, insured, and has specific experience with the diverse home types in our region, from historic Placerville houses to modern builds in Cameron Park. Ask for local references and check reviews. A reputable provider will perform a thorough energy assessment, discuss material options (like blown-in cellulose or fiberglass batts suitable for our climate), and provide a detailed, written estimate that includes air sealing—a critical step often overlooked.

5Besides energy bills, what are other signs my El Dorado home needs new insulation?

Key indicators include uneven temperatures between rooms, cold drafts in winter, and an attic that feels extremely hot in summer. You might also notice higher than normal dust infiltration due to air leaks or, in older homes, visibly compacted or settled insulation in the attic. In our fire-prone region, also consider upgrading to fire-resistant insulation materials like cellulose or mineral wool for added safety.