Insulation Company in Van Nuys, CA
Blown in insulation is the single most cost-effective upgrade for Van Nuys homes built between 1940 and 1970, because most of them still have the original thin rock wool batts that have settled to R-7 or less. When summer temperatures push past 100°F, that attic becomes a heat reservoir that radiates down through your ceilings all evening. We’re Laguna Hills Insulation, and we’ve served Van Nuys since 2014. Call us at (866) 393-6041 for a free estimate on upgrading your attic to the R-value your home actually needs.
Why Van Nuys Homes Are Different
Van Nuys sits in the heart of the San Fernando Valley, where summer highs routinely land between 95°F and 105°F and the afternoon sun hits low-pitch roofs almost straight on. The housing stock is dominated by small single-story stucco tract homes and 1950s-to-1960s apartment buildings with wood-frame walls. Most were built when insulation was an afterthought or nonexistent. Unlike coastal Los Angeles, where the insulation battle is against marine damp and cool fog, Van Nuys insulation work is about resisting heat gain. Attic ventilation and the ceiling’s R-value do the heavy lifting here, and in the older tracts around ZIP 91405 and 91406, the original attic material is frequently degraded rock wool or cellulose that has settled into a thin, nearly useless mat.
We also work around what’s inside those older attics. Many Van Nuys homes still have knob-and-tube or early romex wiring running through the attic floor, and unvented or poorly vented attic spaces are common. That does not stop a blow-in job, but it does change how we prep the space and where we direct the insulation. Knee-wall attics over attached garages are a recurring find in the tract homes: spaces that have not been touched since the Eisenhower era. Those are prime candidates for an R-value upgrade because they sit directly above garage doors that leak heat all afternoon.
Our Main Van Nuys Services
Most Van Nuys homeowners call us about two things: restoring the attic’s thermal barrier with Attic Insulation in Van Nuys or air-sealing the home with Spray Foam Insulation in Van Nuys. Here’s what each one involves in this city.
Attic Insulation in Van Nuys
Most Van Nuys attics we open are holding a tired, settled layer of old material that reads R-7 to R-11 on our inspection, nowhere near the R-30 to R-38 we recommend for an inland valley home. We remove or assess what is there, check the ventilation, and lay or blow in a proper thermal barrier across the ceiling plane. In the low-pitch roof geometry common to 91405 and 91406 tract homes, this is the single upgrade that moves the needle most on summer cooling bills. See Attic Insulation in Van Nuys for full details, including what to expect from the existing wiring situation.

Spray Foam Insulation in Van Nuys
Closed-cell spray foam does something blown-in fiberglass cannot: it creates an air barrier and a thermal barrier in one application. That matters in Van Nuys because many older attics are riddled with gaps around wiring penetrations, plumbing vents, and droopy recessed light housings. Foam seals those leaks while adding R-value. On knee-wall attics over garages and along the rim joist where the roof meets the wall, spray foam from Icynene or Demilec is often the right call despite its higher upfront cost. Read the specifics on Spray Foam Insulation in Van Nuys.

What happens when you call
- 1
A real person answersNo phone trees — you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Blown In Insulation in Van Nuys
Blown in insulation is the most practical retrofit for Van Nuys attics because it fills around odd framing, old wiring, and uneven joist spacing without requiring us to tear out ceilings or rebuild the roof. Blown In Insulation generally costs less per installed R-value than spray foam, and it is the fastest way to bring a settled 1950s attic up to modern code for heat resistance. In Van Nuys, where the summer sun turns an under-insulated attic into an oven, a same-day blow-in job can cut ceiling surface temperatures by 20 degrees or more by the following afternoon.
Cellulose Insulation
Signs you need it
Your attic insulation has settled to under six inches, your upper rooms won’t cool below 80°F after 3 p.m. in summer, or you want a recycled-material upgrade over old fiberglass.
What it costs in Van Nuys
Blown-in cellulose in Van Nuys typically runs $1.20 to $2.30 per square foot installed, meaning a 1,000-square-foot attic lands between $1,200 and $2,300 depending on depth and access.
How we do it
We mask the access point, run the hose to the far end of the attic, and blow GreenFiber cellulose in overlapping passes to a depth that delivers the R-value we specified before the job started.
Blown In Attic Insulation
Signs you need it
Your attic has old rock wool batts that crumble when touched, bare ceiling joists are visible, or your AC runs constantly from Memorial Day through October without holding temperature.
What it costs in Van Nuys
Blown-in attic insulation in Van Nuys ranges from $1,500 to $4,000 for a typical 800-to-1,500-square-foot attic, depending on whether we’re topping off an existing layer or filling a bare ceiling cavity.
How we do it
We seal the accessible bypass openings, check that the ventilation path from soffit to ridge is clear, and then blow fiberglass or cellulose to the specified depth in a single day.
Blown In Fiberglass Insulation
Signs you need it
You prefer traditional pink or white fiberglass, you want a dust-controlled install with modern chopped fiber, or your existing blown fiberglass has compressed under roof storage.
What it costs in Van Nuys
Blown-in fiberglass in Van Nuys runs $1.00 to $1.80 per square foot installed, so a 1,200-square-foot attic typically lands between $1,200 and $2,160.
How we do it
We run an Owens Corning or Johns Manville chopped fiberglass product through a calibrated machine that fluffs and distributes the material, then depth-gauge the coverage before we leave.
Loose Fill Insulation
Signs you need it
Your attic has irregular joist spacing, old knob-and-tube wiring that would make batt installation risky, or hard-to-reach corners that batts leave bare.
What it costs in Van Nuys
Loose fill insulation in Van Nuys ranges from $1,000 to $2,500 for most single-story attics, since loose fill is the quickest material to install and the least disruptive to existing framing.
How we do it
We blow the loose fill in an even, measured thickness across the entire ceiling plane, working around wiring and plumbing vents without compressing what is already there.
What Blown In Insulation Costs in Van Nuys
| Item | Typical range in Van Nuys |
|---|---|
| Blown-in cellulose, full attic (1,000 sq ft) | $1,200 – $2,300 |
| Blown-in fiberglass, full attic (1,200 sq ft) | $1,200 – $2,160 |
| Loose fill insulation, typical 1950s tract attic | $1,000 – $2,500 |
Is blown in insulation worth it in Van Nuys heat?
Yes. Most Van Nuys homes from the 1950s and 1960s have attic insulation performing at R-7 to R-11, and raising that to R-38 cuts heat gain through the ceiling by roughly two-thirds. Your AC runs fewer hours daily, and the upper rooms hold temperature into the evening.
Can you blow insulation into an attic with old wiring?
Yes, with one condition: we inspect the wiring first and keep loose fill away from old knob-and-tube runs. Cellulose and fiberglass both work over early romex. Call (866) 393-6041 and we’ll give you a straight answer about your attic.
Brands We Service in Van Nuys
We install and service insulation from Owens Corning, Johns Manville, Rockwool, and Knauf, across fiberglass, mineral wool, and cellulose product lines. We carry the common attic-stock materials locally in Van Nuys, which means most blow-in jobs start within a day or two of your estimate. See our brands for the full material catalog.
Pricing for Insulation Company in Van Nuys, CA
| Service | Typical range in Van Nuys |
|---|---|
| Blown-in cellulose attic insulation | $1.20 – $2.30 per sq ft |
| Blown-in fiberglass attic insulation | $1.00 – $1.80 per sq ft |
| Loose fill insulation (attic) | $1,000 – $2,500 total |
| Blown-in attic insulation (full attic) | $1,500 – $4,000 total |
| Spray foam insulation (open-cell) | $0.60 – $1.70 per board ft |
| Spray foam insulation (closed-cell) | $1.30 – $3.00 per board ft |
| Radiant barrier (attic) | $0.75 – $1.50 per sq ft |
| Attic air sealing | $700 – $1,800 total |
What pushes the price up in Van Nuys is access: low-pitch roofs with cramped eave corners, attic wiring that demands careful hose work, and knee-wall attic spaces that require extra hose length and more passes. We give you a line-item quote before the job starts, and that number does not move unless you add scope.
Neighborhoods We Serve in Van Nuys
We run insulation jobs across the Van Nuys ZIP codes 91405, 91406, 91470, 91482, 91496, and 91499. Our crews know the housing stock block by block, from the older tracts south of Victory Boulevard to the apartment-heavy corridors near Sepulveda. We’re usually on-site within 48 hours of your estimate.
- Van Nuys Corridor
- Valley Glen border area
- Sepulveda Basin area
- Greater Van Nuys (91405, 91406)
- Van Nuys Airport area
Service Area – Cities Near Van Nuys
Our crews run insulation jobs across the central San Fernando Valley. We serve Valley Glen, CA to the east, Sherman Oaks, CA to the south, Encino, CA to the southwest, and North Hills, CA to the north. If you are just outside Van Nuys proper, call and we’ll confirm the schedule for your neighborhood.
Serving Van Nuys, CA — Our Local Coverage Area
We’re based in the Van Nuys area and know this community well. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs About Insulation Company in Van Nuys
Most Van Nuys estimates are scheduled within one business day, and blow-in attic jobs typically start within 48 hours after you approve the quote. Spray foam and full air-sealing jobs take a little longer to schedule because of the prep and cure time. Call (866) 393-6041 for today’s openings.
In most Van Nuys single-family homes, adding blown-in attic insulation or batts does not require a city permit. If the project includes air sealing, ventilation changes, or work that touches the building envelope’s structure, the rules change. We check the current Van Nuys and City of Los Angeles requirements before the job starts.
Yes. We insulate attics, knee-wall spaces, and rim joists in 1950s and 1960s Van Nuys apartment buildings. The larger the building, the more important the pre-job inspection is, because older multi-family buildings often have shared attic voids and wiring we need to map before we blow or spray.
If your Van Nuys attic has not been touched since it was built, call Laguna Hills Insulation at (866) 393-6041. We’ll inspect what is up there, tell you what it is doing right now, and quote you a straight price to bring it up to what a San Fernando Valley summer demands.
What happens when you call
- 1A real person answersNo phone trees — talk to a local insulation pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3A background-checked tech heads outLicensed & insured, typically within 1-hour.
- 4You approve before work beginsNothing starts until you say go.
What Van Nuys Customers Say
"Plastic laid from the front door to the attic hatch and they vacuumed the hallway afterward."
— Rafael Garcia"Told me the crawlspace didn't need doing and only the attic did. Half the job, half the money."
— Hector Hernandez"He did a blower door test before and after and gave me the numbers. I like being able to see the difference rather than being told about it."
— Elena Herrera