Spray Foam Insulation in Hawthorne, CA

Find top-rated spray foam contractors and save up to 27% on energy bills

💰 Estimated Energy Savings in Hawthorne

27%
Average Energy Savings
Typical range: 22% - 32%
$1,134
Estimated Annual Savings
Based on $350/month average energy cost
5 years
Average Payback Period
Return on investment timeline

Note: Actual savings vary based on home size, current insulation, energy rates, and climate conditions. These estimates are based on Department of Energy data for Hot-Dry.

Verified Contractors in Hawthorne

Upgrade Insulation

Direct: 3236128057

5
4 Google reviews

Recent Reviews:

Beau Thompson★★★★★4 months ago

We just finished renovating our home and needed new insulation throughout, and Upgrade Insulation took care of the crawl space, attic, and walls. They used batt insulation in most areas and closed-cell spray foam in the attic. Everything passed inspection, and the rooms are cooler and quieter. They worked fast, didn’t leave a mess, and respected our home. Such a reliable crew.

Bryan Lee★★★★★a year ago

The crew from Upgrade Captain did an excellent job with my home insulation installation. They showed up on time as scheduled, thoroughly went over the details of the project, completed the job per our demands, and even cleaned up everything afterwards. Thank you, John!!

Jean Barrett★★★★★a year ago

I hired them for full home insulation, and I'm glad they did a job. They came in on time, covered everything around the house, and started working. The work turned out beautiful and clean. I highly recommend this Upgrade Insulation to anyone. Thank you.

Armour Hawthorne Insulation

Direct: 4244874483

5
5 Google reviews

Recent Reviews:

Dean Enrique★★★★★a month ago

We chose Armour Hawthorne Insulation based on their strong local reputation, and they lived up to every bit of it. Their team was knowledgeable, honest, and focused on solving our specific comfort issues rather than just selling a service. The installation was flawless and the cleanup was impeccable. Our home is now cozy in the winter without the heater running constantly. The improvement in both comfort and energy efficiency has been dramatic. Highly recommended.

Abril Simone★★★★★a month ago

Our experience with Armour Hawthorne Insulation was excellent. From the initial consultation to the final walkthrough, everything was handled professionally. The crew was skilled, efficient, and respectful of our home. They transformed our under-insulated attic into a properly sealed thermal barrier. The results speak for themselves: a more comfortable living environment and lower monthly utility bills. A reliable and trustworthy company that does exceptional work.

Nico Alessandra★★★★★a month ago

We hired Armour Hawthorne Insulation to tackle our home's significant temperature imbalance. The team was outstanding from start to finish. They performed a comprehensive air seal in the attic before installing new, high-quality insulation. The attention to detail was remarkable. Now, our entire home is consistently comfortable, our energy bills have dropped, and the house is noticeably quieter. Professional, efficient, and highly effective. We couldn't be more pleased with the results.

Lawndale

Direct: 4242695733

5
5 Google reviews

Recent Reviews:

Yohann Boua★★★★★3 years ago

Their services were exceptional and exactly what i was looking for. Thank you so much Lawndale Insulation Contractor for doing the work as I wanted! I recommend this company. They provide excellent services. The team of Lawndale Insulation Contractor always delivers high end results.

Betty Burke★★★★★3 years ago

Lucas was focused on the task at hand and was not a nuisance to me at all and wasVery well desciplined! Thanks a lot Lucas for such wonderful work. The work was done perfectly and I'm thankful for your quality services.

Ean Vaughan★★★★★2 years ago

Lawndale Insulation Contractor features a staff of experts who are experienced and helpful.

Frequently Asked Questions — Spray Foam Insulation in Hawthorne

Does spray foam insulation work well in hot dry climates like Hawthorne?
Yes — spray foam is highly effective in hot dry climates like Hawthorne, CA. While moisture control is less of a concern than in humid climates, the air sealing properties are critical for keeping hot desert air out and cooled air in. In extreme heat climates, an unsealed attic can reach 150°F+, dramatically increasing AC load. Spray foam in the attic can reduce attic temperatures by 30–40°F.
What is the best area of my home to insulate in Hawthorne?
In hot dry climates like Hawthorne, CA, the attic is typically the highest-impact area to spray foam insulate. Desert sun heats roofs to extreme temperatures, and an uninsulated attic transfers that heat directly into your living space. After the attic, crawl spaces and rim joists are the next highest-impact areas. A local contractor can perform an energy audit to identify where your home loses the most conditioned air.
Is spray foam insulation worth the cost?
For most homeowners, yes. Spray foam creates an air-tight seal that traditional insulation cannot match, reducing energy bills by 15–35% annually. It also adds structural rigidity, acts as a moisture and vapor barrier, reduces outside noise, and can increase home resale value. The higher upfront cost compared to fiberglass is typically recovered within 3–7 years. One important note: because spray foam creates a very tight building envelope, proper mechanical ventilation is important to maintain healthy indoor air quality and prevent interior moisture buildup. This is typically handled by an Energy Recovery Ventilator (ERV) — a system that brings fresh outside air in while pushing stale air out, recovering the energy from the outgoing air so you don't waste what you paid to heat or cool — or a Heat Recovery Ventilator (HRV), which works similarly but is optimized for cold climates. A qualified contractor will assess whether your home needs ventilation upgrades as part of the installation.
How much does spray foam insulation cost?
Spray foam insulation typically costs $1.00–$3.00 per square foot installed, depending on the type and your location. Open-cell foam runs $0.44–$0.65 per board foot, while closed-cell foam costs $1.00–$2.00 per board foot. A typical 2,000 sq ft home attic costs $2,000–$6,000. Most homeowners recoup this investment within 3–7 years through energy savings of 15–35% annually.
What is the difference between open-cell and closed-cell spray foam?
Open-cell spray foam is softer, less dense, and less expensive. It expands significantly and is ideal for interior walls, attics, and soundproofing. Closed-cell spray foam is denser, stronger, and provides a moisture barrier — making it better for exterior applications, crawl spaces, and areas prone to flooding or humidity. Closed-cell also has a higher R-value per inch (R-6 to R-7 vs R-3.5 to R-4 for open-cell). One key difference: open-cell foam allows some vapor movement, while closed-cell acts as a vapor barrier — an important consideration for your home's ventilation needs.
How long does spray foam insulation last?
Spray foam insulation is one of the most durable insulation options available, with a lifespan of 80+ years when properly installed. Unlike fiberglass batting which can sag and settle over time, spray foam maintains its shape and insulating properties indefinitely. It will typically outlast the building it is installed in.
How do I find a qualified spray foam insulation contractor?
Look for contractors who are licensed, insured, and have verifiable reviews. Spray foam requires specialized equipment and training — improper installation can cause off-gassing, adhesion failure, or fire hazards. Ask for references, verify their insurance, and get at least 2–3 quotes. A qualified contractor will also assess your home's ventilation needs — a tightly sealed spray foam installation requires adequate mechanical ventilation to prevent moisture and indoor air quality issues. FoamMatch pre-screens all listed contractors for licensing and insurance so you can compare verified professionals in your area.
How long does spray foam installation take?
Most residential spray foam jobs take 1–2 days depending on the size of the area. A standard attic takes 4–8 hours. After spraying, the foam cures within 24 hours, though most contractors recommend waiting 24–72 hours before occupying the space due to off-gassing during the curing process.
Does spray foam insulation need to be replaced?
No — spray foam insulation does not need to be replaced under normal circumstances. Unlike fiberglass insulation which degrades over time, spray foam maintains its R-value and air sealing properties for the life of the building. The only reasons to remove or replace spray foam are water damage, renovation work, or improper original installation.