Insulation Company in Tujunga, CA
Blown in insulation solves the comfort problem that defines so many Tujunga homes: a 1950s or 1960s stucco-on-frame house with a thinly insulated attic, single-pane windows, and rooms that can swing 40 degrees between mid-afternoon and midnight. We’re Comfort Zone Insulation Co, and we install insulation and nothing else. Our crews work the Foothill Boulevard corridor and the flat basin north of it every week, densifying attics, air-sealing venting, and cutting the heat gain that turns summer afternoons into an oven. Call (855) 341-7856 to talk through what your attic actually needs.
Why Tujunga Homes Are Different
Tujunga’s housing stock clusters along Foothill Boulevard and the basin north of it, where mid-century stucco-over-wood-frame tract homes sit on slab foundations poured before modern vapor barriers were standard. That matters for insulation work in two ways. First, the slab itself wicks ground moisture into floor assemblies, which means attic and wall insulation is only half the equation. Second, the strong afternoon sun here routinely pushes summer highs past 100°F, and when winter nights near the foothills drop to freezing, the thermal swing stresses every seam in the building envelope. Poorly sealed attic venting compounds both problems. After a Santa Ana wind event, fine ash and dust settle through unsealed vents and mat down existing attic insulation, which is why we air-seal before adding anything new. Tujunga also sits in a high-fire-severity zone tucked against the San Gabriels, so every upgrade we do has to satisfy brush-clearance and ember-resistant venting rules that most neighboring cities don’t enforce. That’s not a complication. It’s the reason a specialist who understands Tujunga specifically is worth more than a generalist with a truck full of batts.
Our Main Tujunga Services
Two services account for most of the calls we take from Tujunga homeowners, and both target the same root issue: an attic that acts as a heat reservoir instead of a thermal barrier.
Attic Insulation in Tujunga
Most Tujunga homes built between 1950 and 1980 left the factory with 3 to 4 inches of fiberglass batts in the attic, which settles to roughly R-11 or less over the decades. In a climate where summer attic temperatures can exceed 140°F, that’s almost no protection at all. Our Attic Insulation in Tujunga work starts with a real diagnostic: we inspect venting, check for bypasses around can lights and plumbing chases, and measure existing depth before recommending a specific material. The goal is not to sell square footage. It’s to make the upper floor stop radiating heat into the living space by 4 p.m. every day from June through October.

Spray Foam Insulation in Tujunga
For Tujunga homes with cathedral ceilings, awkward dormers, or attics that double as storage, spray foam is often the right answer. Closed-cell foam air-seals and insulates in one pass, which matters when brush-clearance rules limit venting changes you can make to a roofline. Our Spray Foam Insulation in Tujunga crews install Icynene and Demilec systems, both open- and closed-cell, depending on whether the priority is air-sealing, R-value per inch, or budget. We carry those brands because a stucco house on a Tujunga slab needs different foam than a cabin in the hills above Foothill Boulevard, and we’re not limited to whatever one product line happens to sell.

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 Tujunga
Blown in insulation is the most straightforward retrofit for Tujunga’s mid-century tract homes, and it’s the service we recommend most often when an attic is accessible, vented, and simply under-insulated. Most houses we inspect along Foothill Boulevard and in the basin north of it have 4 inches of settled fiberglass batts at best, often matted and discolored from years of Santa Ana dust and wildfire smoke residue pulled through unsealed vents. Dense-packing blown in cellulose or blowing in fiberglass over an air-sealed attic floor brings those attics up to current R-value targets in a single day, with no tear-out and no need to move out. We install blown in products from several brands, including GreenFiber recycled-content cellulose and Knauf fiberglass, and you can read more about the full Blown In Insulation approach on our service hub page.
Cellulose Insulation
Signs you need it
Your attic insulation is less than 8 inches deep, visibly matted, or you can feel heat radiating through bedroom ceilings by late afternoon.
What it costs in Tujunga
Blown in cellulose in Tujunga typically runs $1.20 to $2.10 per square foot for attic fills, depending on target R-value and how much prep work the existing venting needs.
How we do it
We air-seal the attic floor, install or repair baffles at the eaves, and dense-pack or loose-fill GreenFiber cellulose to the specified depth, then verify coverage with a depth gauge.
Blown In Attic Insulation
Signs you need it
Rooms on the second floor or at the far end of a ranch stay 8 to 10 degrees warmer than the rest of the house, or your AC short-cycles on hot afternoons but never cools the bedrooms.
What it costs in Tujunga
Attic-only blown in jobs in Tujunga typically fall between $1,500 and $3,400 for a standard single-story tract home, with final cost driven by attic accessibility and venting work.
How we do it
We lay down a protective drop path, air-seal around plumbing stacks and electrical penetrations, then blow in fiberglass or cellulose to a uniform depth across the entire attic floor.
What Blown In Insulation Costs in Tujunga
| Item | Typical range in Tujunga |
|---|---|
| Blown in cellulose attic fill (1,000 sq ft) | $1,200 – $2,100 |
| Blown in fiberglass attic fill (1,000 sq ft) | $1,000 – $1,800 |
| Air-sealing before blown in (typical attic) | $400 – $900 |
How long does blown in insulation take in Tujunga?
Most Tujunga attics are done in four to six hours, including air-sealing and cleanup. Larger ranch homes or attics with difficult access can stretch to a full day, but you’re back to normal the same evening.
Is blown in insulation safe for older Tujunga framing?
Yes. We check for knob-and-tube wiring and recessed light clearances before recommending anything. In homes where old wiring is present, we adjust material and installation method rather than burying live circuits.
Brands We Service in Tujunga
Comfort Zone Insulation Co installs products from eight named manufacturers, and we choose by application, not habit. In Tujunga, that usually means Knauf or CertainTeed fiberglass, Rockwool mineral wool for fire-resistance priorities near the brush zone, and GreenFiber cellulose for homeowners who want recycled content. Parts and materials are stocked locally in our San Bernardino yard, so turnaround runs days, not weeks. See the full our brands list for specifics.
Pricing for Insulation Company in Tujunga, CA
| Service | Typical range in Tujunga |
|---|---|
| Attic insulation air-sealing only | $400 – $900 |
| Blown in cellulose attic fill | $1,200 – $2,100 |
| Blown in fiberglass attic fill | $1,000 – $1,800 |
| Dense-pack wall cellulose (per 100 sq ft) | $180 – $320 |
| Spray foam rim joist sealing | $15 – $30 per linear foot |
| Open-cell spray foam attic application | $3.50 – $6.00 per sq ft |
| Closed-cell spray foam attic application | $4.00 – $7.00 per sq ft |
| Mineral wool batt replacement | $1.80 – $3.20 per sq ft |
| Blown in wall cavity injection | $2.50 – $4.50 per sq ft |
| Full-house insulation retrofit (1,200 sq ft home) | $3,500 – $8,000 |
What pushes cost up in Tujunga is almost always the condition of the existing venting and the presence of old wiring or recessed fixtures that need clearance work before insulation goes in. You’ll get a written, line-item price before any material arrives, and that price doesn’t change unless the scope changes.
Neighborhoods We Serve in Tujunga
We work the full stretch of Tujunga, from the flat basin north of Foothill Boulevard up into the hills where ranch-style and cabin-like homes sit on steeper lots. Response time across the 91042 and 91043 ZIP codes is typically same-day or next-day for emergency attic work, and we schedule regular retrofits within a few business days.
- Foothill Boulevard corridor
- Plainview Avenue basin
- Hillhaven area
- Seven Hills
- Stonehurst
Service Area – Cities Near Tujunga
Comfort Zone Insulation Co runs crews into every city that shares Tujunga’s foothill climate and mid-century housing stock. We cover Sunland, CA to the north, Shadow Hills, CA to the west, and La Crescenta-Montrose, CA across the ridge. We also serve Burbank, CA for homeowners who want the same insulation-only approach closer to the valley floor.
Serving Tujunga, CA — Our Local Coverage Area
We’re based in the Tujunga 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 Tujunga
For attic emergencies like a roof leak that’s soaked insulation or a vent that’s pulled loose during a Santa Ana event, we can usually be on site the same day or next morning. Regular estimates are typically scheduled within two to three business days.
Most attic insulation retrofits and air-sealing jobs don’t require a permit in Tujunga. When work touches a roof deck, changes venting configurations, or involves spray foam against living space, we’ll flag permit requirements before the job starts and handle the paperwork.
Yes. Insulation and windows are separate problems, and we don’t pressure homeowners to replace glass before treating the attic or walls. A well-insulated attic and air-sealed envelope will improve comfort in a single-pane home immediately, and the insulation work holds its value if you replace windows later.
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 Tujunga Customers Say
"Attic was at maybe R-11 from the 1970s and blown in over the top would have just buried the problem. They removed the old material, air sealed the top plates and penetrations first, then blew in to R-49. The upstairs is a completely different house in August."
— Dustin Sullivan"Handled the utility rebate paperwork, which knocked a real amount off the final cost."
— Marco Morales"Told me the crawlspace didn't need doing and only the attic did. Half the job, half the money."
— Doug Barrett