Insulation Company in North Hollywood — Same-Day Service, Done Right the First Time

Insulation Company in North Hollywood, CA

Blown in insulation is the most common retrofit we install in North Hollywood, and for good reason: most of the housing stock here was built before attic insulation was standard, and the San Fernando Valley heat turns those under-insulated attics into ovens. We’re Fontana Insulation, and we’ve served North Hollywood since 2011 across all eight of our brand lines, with blown in cellulose and fiberglass being the workhorse solution for the bungalows and stucco tract homes that define this area. Call us at (866) 271-1602 for a free estimate on getting your attic to hold its own against a 105°F July afternoon.

Call (866) 271-1602

Why North Hollywood Homes Are Different

North Hollywood sits in the east San Fernando Valley, where summer highs regularly hit 100 to 110°F and the valley floor traps heat well past sunset. The housing stock splits into two camps: 1920s-40s Spanish-style and Craftsman bungalows near the NoHo Arts District, and dense 1950s-70s stucco tract homes across the 91605 and 91606 ZIP codes. What ties them together is a near-universal lack of adequate attic insulation. Many of the older bungalows still have knob-and-tube-era construction with blown material that has settled to a fraction of its original depth, while the stucco tracts were built with thin fiberglass batts that met mid-century code but were never meant to handle today’s heat loads.

Attic temperatures here routinely exceed 150°F in July and August. That kind of heat doesn’t just make the rooms below uncomfortable; it actively cooks insulation into failure. Fiberglass batts lose loft, cellulose compacts under its own weight, and any gaps in the thermal boundary become superhighways for heat to pour into living space. Low-pitch and flat roofs, especially common in the apartment-dense blocks around 91605 and 91606, complicate matters further by leaving little room for ventilation. In North Hollywood, insulation work is about heat rejection and AC load reduction, not winter warmth. That changes which materials make sense and how we install them.

Our Main North Hollywood Services

These are the two services North Hollywood homeowners call us about most often, each with its own dedicated page covering local pricing, signs of failure, and what the job involves in this specific housing stock.

Attic Insulation in North Hollywood

Attic insulation is where North Hollywood’s energy problems live or die. With attic temps pushing past 150°F in summer, the thermal boundary between your living space and the attic determines whether your AC runs at a steady clip or works double shifts. We install fiberglass batts, blown in material, and radiant barriers matched to your roofline and venting situation. Older bungalows with low-pitch roofs need a different approach than 60s-era tract homes with accessible attics, and we carry enough brands to match the material to your roof, not force one product onto every house. See Attic Insulation in North Hollywood for full details and local pricing.

Spray Foam Insulation in North Hollywood

Spray foam earns its keep in North Hollywood on flat and low-pitch roofs where traditional vented attic designs don’t work well. Closed-cell foam creates an air seal that stops the heat exchange driving AC bills in the Valley’s overnight heat trap conditions, and it handles the odd-shaped cavities common in older NoHo bungalow additions. We’re authorized installers for Icynene and Demilec, two of the most performance-tested foam brands in North America, and we also carry open-cell options for interior sound dampening near busy corridors like Lankershim Boulevard. Full details on materials, costs, and local applications are on the Spray Foam Insulation in North Hollywood page.

Blown In Insulation in North Hollywood

Blown in insulation is the most practical retrofit for North Hollywood’s existing homes because it fills the irregular cavities and settled spaces that batts can’t reach without tearing out drywall. Blown in cellulose and fiberglass both work by creating a deep, continuous layer across your attic floor, which is exactly what pre-war bungalows and 1950s-70s stucco tracts need when attic temps spike past 150°F in summer. We recommend Blown In Insulation for most North Hollywood attic retrofits because the material flows around existing framing, wiring, and odd rooflines without disturbing the original construction. Done right, it rebuilds the thermal boundary that’s been missing since these homes were built.

Cellulose Insulation

Signs you need it

Your attic insulation has settled to less than half its original depth, or you can see bare spots where the material has shifted away from the eaves.

What it costs in North Hollywood

Cellulose blown in insulation typically runs $1.05 to $1.75 per square foot installed in North Hollywood, depending on depth and access.

How we do it

We blow GreenFiber cellulose through a hose into the attic, building depth evenly across the floor and filling around existing framing, wiring, and vent baffles.

Blown In Attic Insulation

Signs you need it

Rooms directly under the attic feel 10 to 15 degrees warmer than the rest of the house by mid-afternoon, and your AC runs continuously without hitting the set point.

What it costs in North Hollywood

Blown in attic insulation for a typical North Hollywood attic runs $1.20 to $2.30 per square foot, with most homes falling between $1,500 and $3,600 total.

How we do it

We air-seal the attic floor penetrations first, then blow insulation to the specified R-value depth across the entire attic, including over the top plates and around any recessed light housings that are IC-rated.

Blown In Fiberglass Insulation

Signs you need it

Your existing fiberglass batts are compressed, torn, or have gaps around them, and you want a material that won’t settle the way cellulose can over time.

What it costs in North Hollywood

Blown in fiberglass runs $1.20 to $2.10 per square foot installed in North Hollywood, with the final number driven by target R-value and attic access.

How we do it

We use Johns Manville blown fiberglass, fluffed to the correct density and depth in a single pass, with careful work around eave vents to maintain the intake airflow these low-pitch Valley roofs depend on.

Loose Fill Insulation

Signs you need it

Your attic has shallow joist bays or tight clearances where batts would compress against the roof deck and leave gaps at the exterior walls.

What it costs in North Hollywood

Loose fill material, whether cellulose or fiberglass, falls in the $1.05 to $2.30 per square foot range in North Hollywood depending on material choice and depth needed.

How we do it

We match the loose fill material to your roof type and venting situation, then blow it to the R-value target with a consistent depth across the full attic floor, including hard-to-reach eaves.

What Blown In Insulation Costs in North Hollywood

Attic access, roof pitch, and whether we’re topping up existing insulation or starting from bare drywall all push the final number up or down. We give upfront pricing before any material goes in, so you’ll know your exact cost before we start.

Is blown in insulation worth it in North Hollywood?

Yes. With attic temperatures over 150°F in summer, a properly insulated attic cuts the heat load on your AC more than any other single retrofit in this climate. Most North Hollywood homes see the payback within two to four years just from reduced cooling costs.

How long does blown in insulation last in North Hollywood?

Cellulose holds its R-value for 20 to 30 years in a dry attic, though settling can reduce depth over the first few years. Fiberglass doesn’t settle meaningfully and lasts the life of the home, which is why we offer both and match the material to your roof.

Brands We Service in North Hollywood

We stock and install eight insulation brands across four material categories, so a North Hollywood recommendation comes from your home’s needs, not our inventory. That includes Johns Manville and Knauf fiberglass products, Rockwool mineral wool for fire resistance and sound dampening near busy Valley corridors, and CertainTeed batt stock for standard wall and attic applications. Parts are available locally for most common applications, and we can typically have specialty materials on site within a few days. See our brands for the full breakdown.

Pricing for Insulation Company in North Hollywood, CA

Neighborhoods We Serve in North Hollywood

We work across all of North Hollywood’s ZIP codes: 91611, 91612, 91615, and 91616. That covers the NoHo Arts District bungalows, the tract blocks around Valley Plaza, the apartment-dense stretches west of Lankershim, and everything in between. We generally schedule North Hollywood jobs within a few days of the estimate, with quicker turnaround for attic work that’s straightforward.

• NoHo Arts District
• Valley Plaza area
• West North Hollywood (91606)
• North Hollywood West
• Studio City border blocks

Service Area – Cities Near North Hollywood

Our North Hollywood crews also cover the surrounding San Fernando Valley communities and nearby foothill cities. If you’re in Studio City, CA, Universal City, CA, Burbank, CA, or Valley Glen, CA, you’re in our regular service area and we can typically schedule on the same timeline as our North Hollywood jobs. The same material options and upfront pricing apply.

FAQs About Insulation Company in North Hollywood