Insulation Company in Citrus, CA
Blown in insulation is the most common call we get from Citrus homeowners, and it’s easy to see why. Most houses here were built between the 1940s and 1970s, before attic insulation minimums existed in California building codes. That means attics with three inches of settled fiberglass, walls with nothing in them, and utility bills that climb every summer when attic temperatures push past 150°F. Placentia Insulation has served Citrus since 2018, and we match the material to the job, not the job to whatever we have on the truck. Call us at (855) 773-6429 for a free attic assessment.
Why Citrus Homes Are Different
Citrus sits at the base of the San Gabriel Mountains, and that location shapes every insulation job we do here. The foothill sun is direct and relentless; on a July afternoon, an unconditioned attic in a 1960s ranch home can hit temperatures that make standard fiberglass batts lose much of their effectiveness. Add the occasional strong afternoon wind that pushes hot air through gable vents, and you get rooms that never quite cool down no matter how long the AC runs. Then winter arrives and nighttime temperatures dip into the 30s, flipping the problem: heat escapes through the same under-insulated attic.
The housing stock makes the problem worse. Citrus is dominated by post-WWII tract homes and 1960s-70s ranches, most with wood-frame construction, stucco exteriors, and original insulation that has settled, compressed, or degraded over five or six decades. A few inches of old fiberglass in the attic floor was considered adequate in 1965. It is not adequate now. Homeowners frequently call us about energy bills that spike in summer, and when we get into the attic, we find the same thing every time: minimal insulation paired with inadequate ventilation. The good news is that the fix is straightforward, and the results are measurable within the first billing cycle.
Our Main Citrus Services
Most Citrus homeowners reach out about two specific services, both of which make an immediate difference in a 50-to-70-year-old home. Here is what each one looks like in this city.
Attic Insulation in Citrus
Attic insulation is the single highest-impact upgrade for a Citrus home, simply because so much heat enters and escapes through the roof plane. We inspect the existing attic floor, measure current R-value, check for air leaks around can lights and plumbing penetrations, and recommend the right depth and material for the house. On a 1960s ranch with settled fiberglass, that often means removing degraded material and starting fresh. Learn more about our full Attic Insulation in Citrus process, including which materials hold up best in foothill heat.

Spray Foam Insulation in Citrus
Spray foam solves problems that batts and loose fill cannot reach: open wall cavities, band joists, and awkward rooflines common in Citrus tract homes. Because we work with both Icynene and Demilec, we can choose open-cell or closed-cell chemistry based on the actual application, not a default setting. That matters in a city where attics bake all summer and the right air-sealing foam keeps conditioned air inside. See our Spray Foam Insulation in Citrus page for what each foam type costs and where it performs best here.

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 Citrus
Blown in insulation in Citrus is the fastest, most cost-effective way to bring a 1950s or 1960s attic up to modern performance standards. Most of these homes have an attic floor with a few inches of settled fiberglass, which leaves R-value well below what California’s climate demands. Blown-in material fills gaps, settles around framing, and creates a continuous thermal layer that batts cannot match in an older attic. We handle the full Blown In Insulation process: air sealing, vent baffles, and the right depth of material for this specific climate.
Cellulose Insulation
Signs you need it
Your attic has less than 6 inches of existing insulation, or you can see the ceiling joists in the attic floor.
What it costs in Citrus
Cellulose insulation for a typical Citrus attic usually runs $1,500 to $3,200, depending on square footage and how much old material needs removal.
How we do it
We air seal the attic floor, install vent baffles at the eaves, and blow GreenFiber cellulose to the target R-value using a calibrated machine.
Blown In Fiberglass Insulation
Signs you need it
Rooms directly under the attic are noticeably hotter in summer and colder in winter than the rest of the house.
What it costs in Citrus
Blown-in fiberglass in Citrus typically costs $1,200 to $2,800 for a standard single-story ranch attic.
How we do it
We remove any settled or damaged material, seal penetrations, and blow Owens Corning fiberglass to a consistent depth across the attic floor.
What Blown In Insulation Costs in Citrus
| Item | Typical range in Citrus |
|---|---|
| Blown-in cellulose (full attic) | $1,500 – $3,200 |
| Blown-in fiberglass (full attic) | $1,200 – $2,800 |
| Small attic top-up (existing material stays) | $800 – $1,500 |
How long does blown in insulation last in a Citrus attic?
Cellulose and fiberglass both hold their R-value for decades when installed correctly and kept dry. The bigger issue in Citrus is air movement; sealing bypasses first is what keeps the material performing. Call (855) 773-6429 for an attic inspection and exact quote.
Does blown in insulation help with summer heat in Citrus?
Yes, it directly reduces heat gain through the ceiling when attic temperatures climb past 150°F. The material slows heat transfer into living space, so your AC runs less. Most Citrus customers notice the difference within a week. Call (855) 773-6429 to schedule an assessment.
Brands We Service in Citrus
We stock and install from eight manufacturers: Owens Corning, Johns Manville, Knauf, Rockwool, CertainTeed, Icynene, Demilec, and GreenFiber. For Citrus attics, we commonly reach for GreenFiber cellulose, Owens Corning fiberglass, and Icynene or Demilec foam when air sealing is part of the job. Read more about our brands and what each material does best.
Pricing for Insulation Company in Citrus, CA
| Service | Typical range in Citrus |
|---|---|
| Blown-in cellulose insulation (full attic) | $1,500 – $3,200 |
| Blown-in fiberglass insulation (full attic) | $1,200 – $2,800 |
| Attic insulation top-up | $800 – $1,500 |
| Attic air sealing (with insulation) | $400 – $1,000 |
| Spray foam insulation (open-cell, full attic) | $6,000 – $12,000 |
| Spray foam insulation (closed-cell, full attic) | $7,000 – $18,000 |
| Wall cavity injection foam (per wall section) | $1,500 – $3,500 |
| Full home insulation (attic + walls) | $6,000 – $15,000 |
| Attic insulation removal | $300 – $800 |
| Mineral wool batts (Rockwool, attic) | $2,000 – $4,500 |
| Spray foam rim joist sealing | $600 – $1,500 |
In Citrus, the wildcard is attic access and what is already up there. A steep roofline, a tight scuttle hole, or old material that needs removal all push the number up. We quote upfront, in writing, after an on-site inspection, and the quote does not change mid-job.
Neighborhoods We Serve in Citrus
We work throughout the 91702 ZIP code and the foothill neighborhoods around Citrus. Most appointments get a same-week slot, and we schedule attic assessments around your availability, not the other way around.
- Barranca
- Citrus Historic District
- Foothill Boulevard corridor
- North Citrus
- South Citrus
Service Area – Cities Near Citrus
Placentia Insulation works in Citrus and the surrounding foothill communities. If you are in Azusa, CA, Irwindale, CA, Covina, CA, or Glendora, CA, the same team covers your area with the same eight-brand material library and the same three installation methods.
Serving Citrus, CA — Our Local Coverage Area
We’re based in the Citrus 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 Citrus
We schedule free attic assessments in Citrus within the same week most of the time. The on-site visit takes about 45 minutes, and you get a written quote before we leave. Call (855) 773-6429 to book a specific day.
Most attic insulation and air sealing work does not require a permit because it is considered a minor thermal upgrade, not structural. If your project involves spray foam against the roofline, the local building department may want a simple verification. We let you know before any work starts.
We serve all of Citrus, ZIP 91702, plus the neighboring foothill cities of Azusa, Irwindale, Covina, and Glendora. If you are not sure whether you are in our service area, call (855) 773-6429 and we will confirm it in under a minute.
Ready to stop paying for heat you do not use? Call Placentia Insulation at (855) 773-6429 for a free estimate on blown in insulation, attic insulation, or spray foam in Citrus. We will inspect your attic, show you exactly what is there now, and quote a fixed price for the fix, not a range that grows 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 30–60 min.
- 4You approve before work beginsNothing starts until you say go.
What Citrus Customers Say
"Told me the crawlspace didn't need doing and only the attic did. Half the job, half the money."
— Adriana Rodriguez"Handled the utility rebate paperwork, which knocked a real amount off the final cost."
— Gilbert Ramirez"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."
— Veronica Guzman