Spray Foam Insulation in Westminster, CA

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

Compare 10 verified spray foam insulation contractors serving Westminster, California, backed by 654 customer reviews averaging 5.0★. Whether you're insulating a new build, retrofitting an existing home, or upgrading attic and crawl-space insulation, these pre-screened Westminster contractors handle both open-cell and closed-cell spray foam. Homeowners here typically cut energy bills by around 27% — get free quotes and read verified reviews below.

💰 Spray Foam Savings Calculator for Westminster

Homes in Westminster typically cut energy use by 22%–32% with spray foam. Change the numbers below to fit your home.

Foam type
$1,134
Estimated annual savings
At about 27% off your energy bill
$5,100–$8,200
Rough install cost
Attic roofline, about 5.5" of open cell
4–7 years
Estimated payback
Install cost ÷ annual savings

These are estimates, not quotes. Actual savings vary based on home size, current insulation, energy rates, and climate conditions. Savings estimates are based on Department of Energy data for the Hot-Dry climate zone. Cost assumes the attic roofline (about 1.15× your home's square footage) at typical installed prices of $0.40–$0.65 per board foot for open cell and $1.00–$1.50 for closed cell; a two-story home has less roof and usually costs less. Get quotes from the contractors below for real prices.

Verified Contractors in Westminster

5⭐
33 Google reviews

Recent Reviews:

Pedro Aliza★★★★★4 weeks ago

As a retired person on a fixed income, managing utility costs is crucial. Investing in new insulation with Long Term Value was a decision I carefully researched. They were respectful of my budget, helped me understand the payback period, and even assisted with the paperwork for a local utility rebate. The work has made my home so much easier and less expensive to heat and cool. I'm more comfortable and my bills are predictable. This company truly understands ""long term value"" for all kinds of homeowners, and I am so grateful for their respectful and excellent service.

Holden Johnathan★★★★★2 weeks ago

I cannot recommend this company highly enough. We used them for a full home insulation upgrade as part of a major renovation. The project manager, Mike, was our main point of contact and was phenomenal. He coordinated seamlessly with our general contractor, kept us updated daily, and handled a few unexpected issues (like some old wiring they discovered) with proactivity and transparency. The quality of the installation is pristine—everything is snug, even, and according to the highest building standards. They were a critical part of making our renovated home tight, efficient, and comfortable. A first-class operation.

Brayden Cassius★★★★★a week ago

The crew from Long Term Value worked in 95-degree heat in our attic to get our job done. Despite the challenging conditions, their attitude never wavered. They took appropriate breaks, stayed hydrated, and maintained a focus on quality throughout. They even took extra care around our delicate Christmas decorations stored in the attic. This demonstrated a incredible work ethic and respect for the customer's property. We provided cold drinks and gratitude, but their professionalism was inherent. These are good people doing great work.

5⭐
77 Google reviews

Recent Reviews:

Ting Chorng★★★★★6 months ago

I had Ram Insulation help with my attached garage project. They showed up on time with three-man crew and completed my 20' by 20' garage insulation within a day. They have done very nice and detail-oriented work and my garage looks brand new and ready for the next step.

Alaine de Leon★★★★★3 months ago

Miguel and his team were referred to us by our HVAC vendor. We had them remove and replace the insulation in our home. Miguel, Adolfo and the crew were punctual and professional throughout the project. The entire project took 3 days and they did a great job of prepping our home, covering areas to protect and keep clean, removing the old insulation, and cleaning out any remaining debris before installing the new material. Adolfo took the time to explain what would happen during each part of the process including what things I can expect from having the work done. They were also good about the cleanup work when they finished. I already notice the difference in how much the new insulation is helping block out the heat inside my home. Hard working and dedicated crew. Would highly recommend using RAM for your home insulation needs.

LJ★★★★★4 months ago

Miguel’s team, Hector and Alfonso did an outstanding job of insulating our attic. They came bright and early and blew in insulation as well as laid rolls of insulation throughout our space. They were professional and courteous. They even had to deal with sharing space with a painting crew that was at our house to finish up a project. Super good folks and the insulation project was priced very competitively. Give Miguel a chance to bid for your business. You won’t regret it.

5⭐
5 Google reviews

Recent Reviews:

Julianna Shawn★★★★★3 weeks ago

Reduced Cost Insulation made a significant upgrade to our home both affordable and stress-free. From the very first quote, their pricing was transparent and genuinely budget-friendly. The crew arrived on time, worked efficiently, and left our attic perfectly insulated and spotless. We noticed a difference in home comfort almost immediately and are already anticipating lower energy bills. Excellent value!

Kiersten Layton★★★★★a week ago

Choosing Reduced Cost Insulation was a smart decision for our budget. They provided honest advice and a fair price for the work needed. The installation team was courteous and efficient, completing the job in a timely manner with excellent results. Our home is more comfortable, and we have peace of mind knowing it was done correctly. Great job!

Callum Lena★★★★★a week ago

Reduced Cost Insulation delivered high-quality work at a price we could afford. The entire process was smooth, from the initial consultation to the final cleanup. The crew was knowledgeable, friendly, and took pride in their work. Our home is now better insulated and more energy-efficient. Very satisfied customers!

5⭐
5 Google reviews

Recent Reviews:

Kamden Todd★★★★★3 weeks ago

Hiring Next Level Insulation was one of the best decisions we made during our whole home renovation. We were building an addition and wanted to ensure it was as efficient as possible. Their team worked seamlessly with our contractor, advising on the best techniques for insulating the new cathedral ceilings and sealing the existing attic. Their knowledge of modern building science is impressive. The attention to detail, from the precise spray foam application to the comprehensive air sealing, was flawless. Our new space is incredibly comfortable and quiet. We couldn't be happier with their professionalism and the quality of their work.

Lesly Arnav★★★★★a month ago

As someone who values craftsmanship, I was thoroughly impressed with the crew from Next Level Insulation. They treated our home with care, using drop cloths and meticulously cleaning up every day. The installation itself was a work of art—every batt was perfectly cut and fitted, every seal was precise. The project manager followed up personally to ensure we were completely satisfied. It's clear this company hires quality people and stands behind their work. Our older home now performs like a new, energy-efficient build. We are so grateful for their skill and integrity.

Boston Raelynn★★★★★a month ago

We hired Next Level Insulation to fix our home's poor temperature regulation and were blown away by their service. Their initial assessment was incredibly detailed, using tools to pinpoint exactly where we were losing energy. The crew then performed a meticulous air seal and installed high-quality insulation. The transformation is remarkable—our home is now perfectly comfortable and quiet, and our HVAC system runs efficiently. They truly operate on a different level.

5⭐
4 Google reviews

Recent Reviews:

Tripp Larry★★★★★2 weeks ago

Outstanding work from a company that focuses on smart energy solutions. The consultant from Energy Wise took the time to explain how proper attic insulation is one of the most effective ways to improve a home's efficiency. The installation crew was punctual, respectful, and executed the work with precision. They ensured even coverage and proper ventilation. Our home is now consistently comfortable year-round, and we're already seeing the savings. Highly recommend for their knowledgeable and effective approach.

Marely Payten★★★★★2 weeks ago

We had a fantastic experience with Energy Wise Attic Insulation. From the initial consultation, it was clear they prioritize education and smart choices for the homeowner. They helped us understand the best R-value for our climate and focused on proper installation techniques that prevent common issues like compression. The crew was professional, quick, and left everything perfect. Our home is noticeably more comfortable in temperature extremes, proving that their energy-wise approach delivers real results.

Malakai Gustavo★★★★★2 weeks ago

Choosing Energy Wise was a brilliant decision. They provided a clear, sensible plan to maximize our home's efficiency without unnecessary upsells. The crew worked diligently, were very polite, and cleaned up all debris. The attic now has a deep, uniform layer of insulation that works perfectly. Our HVAC system doesn't have to work nearly as hard, which we expect will extend its life. For a smart, long-term upgrade that saves money, this is the company to call.

5⭐
4 Google reviews

Recent Reviews:

Lawson Marisol★★★★★a week ago

These pros did a phenomenal job. We were preparing our home for sale and knew the inadequate attic insulation would be an issue for inspectors. Placentia Attic Insulation Pros provided a cost-effective solution that brought everything up to modern standards quickly. They were in and out in a few hours, left the attic spotless, and provided documentation of the work. Our realtor was impressed, and it gave buyers confidence. A reliable, no-nonsense company that gets the job done right.

Jason Eva★★★★★2 weeks ago

We had a fantastic experience. The team from Placentia Attic Insulation Pros was prompt, professional, and incredibly efficient. They focused on doing a single job—attic insulation—and they do it extremely well. They didn't try to upsell unnecessary services, just quality materials and skilled installation. Our upstairs bedrooms, which used to be stifling by afternoon, are now perfectly comfortable. It's refreshing to work with such straightforward and skilled professionals.

Bailey Malachi★★★★★2 weeks ago

Outstanding service from a true local expert. We had an older home in Placentia with practically no attic insulation left. These pros came in and handled everything perfectly. They removed some old, degraded material, performed necessary air sealing around light fixtures and ducts, and installed high-quality new insulation. The crew was clean, courteous, and answered all our questions. Our home is now noticeably more comfortable and quiet. Highly recommend for professional and effective work.

5⭐
4 Google reviews

Recent Reviews:

Caleb Brandon★★★★★a month ago

We hired Placentia Attic Insulation to address our uneven home temperatures and high cooling costs. The team was professional, provided a clear and competitive quote, and completed the work efficiently. They performed a thorough air seal before adding new insulation, which made a huge difference. Our home is now consistently comfortable and our energy bills have decreased. Great service and results.

Rene Guillermo★★★★★a month ago

The crew from Placentia Attic Insulation was outstanding. They worked in a very hot, cramped attic space with a positive attitude and a focus on quality. They took great care to protect our belongings in the attic and our floors below, and the cleanup was impeccable. The finished insulation looks pristine and performs even better. Our home is more comfortable and energy-efficient than we ever thought possible. For honest pricing, quality materials, and stellar workmanship, this is the company to call.

Lucas Aiyana★★★★★a month ago

Our experience with Placentia Attic Insulation was flawless from start to finish. Their consultant was patient and explained the entire process in a way we could easily understand. The installation team was punctual, professional, and clearly masters of their craft. The transformation in our home's comfort and efficiency has been remarkable. We no longer dread the energy bills each season, and the consistent temperature throughout the house is a game-changer. They have earned our lifelong business and our strongest recommendation. A top-tier local business.

5⭐
11 Google reviews

Recent Reviews:

Davin Waguespack★★★★★a week ago

Great communication and impeccable execution. We added insulation to our garage attic to help regulate temperatures in the rooms above it. The team ensured it was done perfectly, explaining each step. The results have been fantastic—the rooms above are now consistently comfortable. Their expertise in building science is evident. A trustworthy and highly skilled team that I would call again without hesitation.

Christian Jean★★★★★2 weeks ago

These professionals know the science behind home performance. They emphasized the critical step of air sealing before insulating, which many companies overlook. By sealing all the leaks first, they ensured the insulation would work at maximum efficiency. Our home feels more solid, and the indoor air quality seems improved. The crew was efficient, polite, and left no mess behind. Climate Guard delivers superior value through superior methods.

Zachariah Jaylon★★★★★a month ago

We had Climate Guard Insulation upgrade our attic and the results are fantastic. The team was professional, punctual, and took great care to perform a thorough air seal before installing new insulation. Our home now maintains a consistent temperature effortlessly. The difference in comfort is remarkable, and we've already noticed a significant drop in our energy bills. This investment has paid off in both comfort and savings. Highly recommended for quality work.

4.9⭐
35 Google reviews

Recent Reviews:

Mikey Whitee★★★★★4 months ago

The lady was very nice and was very detailed with an explanation as to why they weren't hiring anymore and told me that they would save my contact info if anything changed, I thought that was pretty cool.

P R★★★★★3 months ago

They are very professional,did everything right first time,always on time,100% will refer them to friends and family

Cant stop Wont stop★★★★★6 months ago

They are very nice and respectful and professional I would definitely work with them

4.8⭐
476 Google reviews

Recent Reviews:

Alex Pineda★★★★★a month ago

We’ve always had amazing experiences with Total Comfort, and yesterday was no exception! Their technician, Ricardo, came out and quickly resolved our heater issue. He was incredibly professional, super attentive, and just an all-around great guy. You can tell he genuinely cares about his work and making sure everything is perfect. Highly recommend Total Comfort—Amazing Customer Service!

Craig Rosner★★★★★a month ago

Total Comfort came to my house (via my new home build warranty). After explaining issue to the tech Ricardo, he quickly got up in the attic, diagnosed, fixed the problem and explained what he had to do. It seemed like only a few minutes and he was gone. I wouldn’t hesitate using Total Comfort again, even after warranty expires with builder . Thanks again to total comfort and my tech Ricardo.

L Ford★★★★★a month ago

Ricardo showed up to perform a warranty repair on the heater on my new home. He was able to identify and repair the issue on the spot, and corrected a wiring issue left by the contractor who performed the original install. He was efficient, professional, and skilled at his job.

Frequently Asked Questions — Spray Foam Insulation in Westminster

These are the questions Westminster homeowners ask most about spray foam cost, R-value, and open- vs. closed-cell foam — with context for local pricing and roughly 27% typical energy savings. Compare the 10 verified Westminster contractors above for exact quotes.

Does spray foam insulation work well in hot dry climates like Westminster?▼
Yes — spray foam is highly effective in hot dry climates like Westminster, 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 Westminster?▼
In hot dry climates like Westminster, 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 in Westminster, CA?▼
In Westminster, CA and the surrounding area, spray foam insulation typically costs $1.00–$3.00 per square foot installed, depending on the type and your home's specifics. 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 in Westminster costs $2,000–$6,000. Most Westminster 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 in Westminster, CA?▼
When searching for a spray foam contractor in Westminster, CA, look for ones 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 Westminster 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 in Westminster 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.