The Best Insulation Contractors in Lomita, CA

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

#1

Attic Crew

4.8
(280 reviews)
Verified

A highly-rated, specialized contractor focusing primarily on attic services, including insulation, ventilation, and air sealing. They are known for their thoroughness, use of high-quality materials like Owens Corning, and expertise in improving home energy efficiency. They are a go-to provider for the South Bay area.

2327 W 208th St, Torrance, CA 90501 (Approx. 3 miles from Lomita)

Specialties & Features

Attic insulation installation and upgrade
Insulation removal and replacement
Air sealing services

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#2

USI Sunbelt – Los Angeles

4.7
(150 reviews)
Verified

USI is a national company with a strong local branch, offering a comprehensive suite of insulation services. Their scale allows them to handle both residential and commercial projects of any size. They are experts in all insulation types, including spray foam and blown-in, and are well-versed in local rebate programs.

1741 Palm Ave, Long Beach, CA 90813 (Serves the greater LA area, including Lomita)

Specialties & Features

Spray foam insulation
Blown-in insulation installation
Energy efficiency audits

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#3

California Insulation

4.6
(90 reviews)
Verified

A reputable local contractor known for personalized service and expertise in all forms of insulation, including walls, basements, and crawl spaces. They emphasize proper installation techniques to maximize energy savings and comfort, and they have strong relationships with local homeowners and builders.

14727 S Broadway, Gardena, CA 90248 (Approx. 5 miles from Lomita)

Specialties & Features

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

Business Information

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

Why These Are the Top Insulation Contractors in Lomita

The insulation market in Lomita is competitive and service-rich, primarily driven by contractors from neighboring hubs like Torrance, Gardena, and Long Beach. The housing stock in Lomita includes a mix of older homes (built mid-20th century) and newer constructions, creating consistent demand for insulation upgrades, replacement, and energy efficiency improvements. The average quality of service is high, as contractors must adhere to strict California Title 24 energy codes. Typical pricing is in line with the greater Los Angeles area, which is above the national average. For a standard attic blow-in insulation job, homeowners can expect to pay between **$1,500 and $4,500**, depending on square footage and material (e.g., cellulose vs. fiberglass). Spray foam insulation is a premium service, often ranging from **$3,500 to $8,000+** for an attic. The market is also influenced by available rebates from programs like Energy Upgrade California and local utility incentives from SoCalGas and LADWP, which many of the top providers help their customers navigate.

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 Lomita regulations and climate

Frequently Asked Questions About Insulation in Lomita

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

1What is the most cost-effective type of insulation for my Lomita home, and what can I expect to pay?

For our mild coastal climate, blown-in fiberglass or cellulose in attics is often the most cost-effective upgrade, typically ranging from $1.50 to $3.00 per square foot installed. For new construction or major renovations, batt insulation is also competitively priced. It's important to note that California Title 24 energy codes set minimum insulation levels (like R-38 for attics), so any new work must meet or exceed these standards, which can influence the project's scope and final cost.

2When is the best time of year to install or upgrade insulation in Lomita?

The ideal time is during our mild, dry periods, typically late spring (May-June) or early fall (September-October), before the occasional summer heat waves or winter rains. Scheduling during these shoulder seasons ensures attic spaces are at a safer working temperature for installers and allows you to prepare your home for both cooling and heating seasons. However, insulation can be installed year-round, and addressing urgent issues like poor thermal performance should not be delayed.

3Are there any Lomita or California-specific rebates or incentives for adding insulation?

Yes, homeowners should actively check for available incentives. The primary source is the statewide Energy Upgrade California program, which often offers rebates for comprehensive energy upgrades that include insulation. Additionally, Lomita residents served by Southern California Edison (SCE) should check SCE's marketplace for current rebates. These programs frequently require a pre-installation energy audit and the use of a certified contractor, so it's a key question to ask your provider.

4How do I choose a reliable insulation contractor in the Lomita area?

Always verify that the contractor is licensed (check their CSLB number online), insured, and has specific experience with insulation in local homes, which often have unique attic and crawlspace configurations. Ask for references from recent projects in the South Bay area and ensure they provide a detailed written estimate that includes the type of material, R-value, square footage, and compliance with Title 24. A reputable contractor will also conduct a thorough assessment before quoting.

5My house feels drafty near the coast; will adding attic insulation stop the drafts?

While attic insulation is crucial for slowing heat transfer through the ceiling, drafts are primarily caused by air leaks around windows, doors, and penetrations in walls and floors. For Lomita homes, a comprehensive approach is best: first, a professional should perform an air sealing service to plug these leaks, especially in the attic floor, and then add the proper amount of insulation. This two-step process is the most effective way to improve comfort and energy efficiency in our coastal breeze environment.