Spray Foam Insulation in Pasadena, CA

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

💰 Estimated Energy Savings in Pasadena

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 Pasadena

Guardian Angel Insulation Contractor

Direct: 6266578698

5
3 Google reviews

Recent Reviews:

Jose byrne★★★★★3 years ago

The employees showed up on time. They carefully covered the flooring, doors, and stairs with thick plastic sheets to prevent harm from the heavy rubber hose. They thoroughly vacuumed the old insulating material out of the attic and left the area spotless. Very professional and kind employees. To my friends, I would recommend Guardian Angel Insulation Contractor.

Samson Vandervort★★★★★3 years ago

Fast, reliable and professional! These guys did everything right from start to finish and left my house clean and tidy! Keep up the great work guys! Thanks for everything.

Holly Mueller★★★★★3 years ago

I am very pleased with the service. They really know what they are doing. My house is now warm and quieter.

Altadena Pros

Direct: 6266933375

5
4 Google reviews

Recent Reviews:

Kilran Williams★★★★★7 months ago

Kindra Barral★★★★★6 months ago

Great service and staff!!!!!

Adebayo Abosede★★★★★6 months ago

Titan Insulation - Pasadena

Direct: 8186479475

5
2 Google reviews

Recent Reviews:

matt★★★★★4 years ago

The day Titan came, the technician was very nice and prepared. He went in and before I knew it, he was done. I went in after they were done and saw all the holes and gaps blocked like they said they would. They were so pleasant from the first phone call to the service. I am happy with my attic now being rodent proofed!

jacob acosta★★★★★4 years ago

Showed up on time. Took their time to guide us through the process. Performed his work in a professional manner, and explained all further steps. Don’t hesitate, nothing but a great experience with them .

Pure Layer Insulation

Direct: 6268999280

5
7 Google reviews

Recent Reviews:

pacifikah Nyanchoka★★★★★4 months ago

The service was worth and I pay less and I really liked it

Hesborn Odira★★★★★4 months ago

I was not sure of the servce until when i tried it my self and ireally reccomend it

Celment Rickendy★★★★★9 months ago

It definitely was worth it getting quoted now they even will help me out with their prices good professionals!

Arcadia Top Contractors

Direct: 6268291428

4.8
9 Google reviews

Recent Reviews:

dustin farmer★★★★★3 weeks ago

My attic in Arcadia was filled with old, dirty insulation, rodent droppings, and had several holes and vents that needed fixing. I contacted a few insulation contractors, but their prices were too high. Then I found a local insulation company online and reached out for a quote. Collin from their team gave me a very fair estimate that was much more affordable than the others. When the crew arrived, they were extremely professional and made sure to cover and protect all areas before starting work. They removed all the old insulation, cleaned up the mess, sealed any holes, and sanitized the attic thoroughly. A couple of days later, they returned and quickly installed new insulation throughout the attic. They also checked my air ducts for leaks, making sure everything was in great shape. The team, led by Erik, was very respectful and took care to leave everything neat and tidy. Overall, I had a fantastic experience. The service was excellent from start to finish. I highly recommend them to anyone in Arcadia looking for reliable and affordable insulation services.

Shaun Fuller★★★★★in the last week

Collin and Jamie from the insulation team did an excellent job bringing my home’s insulation up to proper standards. After their work, I quickly noticed my house stays cooler during hot days, and the AC doesn’t have to work as hard. Their prices were better than several other insulation contractors I contacted, and they were among the fastest to reply when I asked for a quote. Collin came out right away to inspect my home and gave a clear, honest assessment of what needed to be done—nothing extra or unnecessary. I highly recommend giving this insulation company a chance if you’re looking for quality work and fair pricing.

Luke Knight★★★★★a week ago

My older home was built with an unfinished attic, and over the years the space was finished, but there wasn’t much insulation put in. Erik came out to do a thorough energy assessment and recommended several affordable ways to improve my home’s comfort and efficiency. He and his team added insulation under the attic floor and upgraded the insulation in all the upstairs walls. The quality of their work has even been praised by other contractors who have visited my house. Erik also gave me great advice about other insulation upgrades that his company doesn’t handle, all for free during a follow-up visit. I really appreciated how much he understood the unique needs of an older home and treated the house as a whole system, not just a single insulation project. I highly recommend this company if you want to make your home more energy efficient and comfortable, especially with California’s warm weather.

Alhambra Insulation Masters

Direct: 6267907419

4.7
10 Google reviews

Recent Reviews:

Justin Swanson★★★★★9 months ago

Once again, the team at Alhambra Insulation Masters provided exceptional service on my home. They applied foam insulation in my basement and successfully sealed an old root cellar that needed attention. Evan and Jay introduced themselves when they arrived, and they were very tidy, worked efficiently, and took the time to explain all the work they were doing. I've always had the same energy consultant for my projects, and I continue to be impressed. He came to assist Evan and Jay and showed real care for me, my dog, and my property each time he visited. I can't express enough how pleased I am with the company and their team. I highly recommend their services!

zachary berger★★★★★10 months ago

I reached out to Alhambra Insulation Masters after seeing great reviews about their services. I discussed my project, which was around 5,000 sq. ft., and received an estimate of $2,400, which I found to be an excellent price for a home that wasn't new construction. They sent Jay to inspect the area first, and I must say, he brought fantastic positive energy and was extremely polite and professional. The company is fortunate to have such a dedicated team member. I am very satisfied with the work done and wholeheartedly recommend them for your insulation needs. Reviews are essential for helping people make smart choices about businesses that truly deserve it. So, keep sharing your experiences, everyone! Wishing everyone good health!

Leilani Riley★★★★★2 weeks ago

Choosing Alhambra Insulation Masters was the best decision for our major renovation. We needed insulation for a new addition that matched the performance of the original home. Their team coordinated seamlessly with our builder and executed the work with master-level precision. Their attention to detail in air sealing and ensuring a continuous thermal barrier was remarkable. Living in the finished space, the comfort and quiet are exceptional. Worth every penny for master craftsmanship.

Insulation Contractor - Alhambra

Direct: 3236216820

4.2
5 Google reviews

Recent Reviews:

Benard Mwindi★★★★★2 years ago

Thanks for your excellent service. Their services are amazing. they always arrive on time and finish on time. Best attic insulation company in Alhambra. I am only writing this review because I absolutely loved their service and friendliness. I recommend them for their honesty and efficiency.

Maria Brewer★★★★★3 years ago

Insulation Contractor Alhambra is handsdown the best company and I recommend them highly. I'm glad to see how well these match up with mine. The workers are so skilled and professional. Very thankful that you did the work as I demanded.

Mike Robin★★★★★3 years ago

Their work is effective and efficient and I highly recommend them. I love the service area, and I really enjoy using this area to get my home services.

Bright Home Insulation

Direct: 6265074232

4.2
5 Google reviews

Recent Reviews:

COLLINS RUTO★★★★★4 months ago

I appreciate there services there really at very smart prices which no one can afford

Andrew Weber★★★★★6 months ago

I would 100% recommend this company, very professional and very knowledgeable in the work and service this company provides

Margaret Peter★★★★★6 months ago

Staff are motivated, knowledgeable, pleasant.

Pasadena Insulation

Direct: 6264062369

Frequently Asked Questions — Spray Foam Insulation in Pasadena

Does spray foam insulation work well in hot dry climates like Pasadena?
Yes — spray foam is highly effective in hot dry climates like Pasadena, 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 Pasadena?
In hot dry climates like Pasadena, 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.