Insulation Company in Upland, CA
Blown in insulation solves the single biggest comfort problem in Upland: heat that builds up in the attic and radiates down through ceilings all afternoon. Homes here sit in the inland Empire’s hot-summer zone, where July and August highs routinely pass 95°F, and the age of most Upland housing stock means original insulation is either compressed, settling, or simply not enough for what the climate demands. North Tustin Insulation has served Upland since 2011, and we match the material to your home – not the other way around. For a free estimate on any insulation project in the 91784, 91785, or 91786 ZIP codes, call (877) 265-5712.
Why Upland Homes Are Different
Upland’s housing splits sharply along the 210 freeway, and insulation work here is really two different jobs. The north end, ZIP 91784, climbs into the foothills with larger 1960s to 1990s homes on sloped lots. Many of these have vaulted ceilings and knee walls that create awkward attic cavities, and the older batt insulation up there is often sagging or compressed to a fraction of its original R-value. Attics with limited clearance make blown in insulation the practical choice, since the material flows into corners and odd shapes that batts can’t reach.
South of the 210, 91786 is classic postwar tract housing: single-story stucco homes with low-pitch attics, original R-11 or no wall insulation, and decades of room additions and garage conversions insulated to whatever standard was convenient at the time. These homes bake in the inland sun, and the old rock wool or fiberglass batts in the attic have usually never been touched since the Eisenhower administration. The small 91785 ZIP around the historic downtown core includes older, sometimes knob-and-tube-era homes that need careful retrofit detailing around existing wiring. Upland’s occasional Santa Ana wind events push dust and heat through under-insulated walls, which means air sealing matters as much as R-value on the south side in particular.
Our Main Upland Services
Two services drive most of the calls we get from Upland homeowners: attic insulation retrofits and spray foam for tricky spaces or air-sealing needs. Here’s what each one involves in this city.
Attic Insulation in Upland
Most Upland attics we see fall into two camps. North of the 210, the challenge is working around vaulted ceilings, knee walls, and tight clearances where blown in material is the natural fit. South of the 210, the job is more straightforward: removing decades-old compressed batts and bringing the attic up to what the inland heat actually requires. We carry Owens Corning and CertainTeed fiberglass, Rockwool mineral wool, and GreenFiber cellulose, so the material choice follows the home’s construction and your budget – not the other way around. Read the full breakdown at Attic Insulation in Upland.

Spray Foam Insulation in Upland
Spray foam earns its keep in Upland when a home has an unvented attic, a room addition with odd framing, or walls that have never been insulated and would be disruptive to open up. Closed-cell foam from Icynene or Demilec adds structural rigidity and stops air movement, which matters during Santa Ana wind events when dust and heat push through wall cavities. On north-end homes with limited attic access, spray foam can be applied directly to the roofline in some assemblies. See Spray Foam Insulation in Upland for the detailed cost and application breakdown.

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 Upland
Blown in insulation handles Upland’s hottest attics better than batts, because loose fill flows into every irregular cavity and covers the ceiling plane without gaps that let heat migrate into living space. In south Upland tract homes from the 1950s and 1960s, we regularly find original rock wool or fiberglass batts compressed to an inch or less – functionally no insulation – and the fix is blowing in fresh material over the top after air sealing. Our Blown In Insulation service covers the full range of loose fill options, from recycled cellulose to fiberglass, matched to each home’s construction and your budget.
Cellulose Insulation
Signs you need it
Rooms that heat up by early afternoon even with the AC running, plus attic insulation that looks thin, dusty, or settled below the top of the ceiling joists.
What it costs in Upland
Blown in cellulose in Upland typically runs $1.50 to $3.50 per square foot installed, depending on depth and whether we remove old material first.
How we do it
We air seal penetrations, run the GreenFiber cellulose through a calibrated blowing machine, and install depth markers so you can verify the R-value we quoted was actually installed.
Blown In Attic Insulation
Signs you need it
High summer electric bills, a second floor or hallway that stays hot all evening, and attic temperatures that make you dread going up there at all.
What it costs in Upland
Full attic blow in for a typical Upland single-story home falls between $1,800 and $4,500, with larger north-end two-story homes running higher.
How we do it
We remove or level old material as needed, air seal the attic floor, and blow loose fill to the R-value we agreed on, with a final inspection before we leave.
Blown In Fiberglass Insulation
Signs you need it
You want the performance of loose fill without the weight of cellulose, or your attic has existing fiberglass batts that are thin and compressed.
What it costs in Upland
Blown in fiberglass in Upland generally runs $1.50 to $3.50 per square foot, similar to cellulose but with slightly different moisture behavior.
How we do it
We use Owens Corning or Johns Manville loose fill fiberglass, blown to the specified depth and density, and we verify coverage across the entire attic floor before cleanup.
Loose Fill Insulation
Signs you need it
Your attic has awkward spaces – knee walls, low clearances, or framing that makes batt installation difficult – and you want even coverage without leaving gaps.
What it costs in Upland
Loose fill in Upland attics runs $1.50 to $3.50 per square foot installed, depending on the material and the R-value target for your ceiling plane.
How we do it
We assess the attic’s layout and ventilation first, then blow the right material to a uniform depth, paying special attention to the perimeter where heat leaks are worst.
What Blown In Insulation Costs in Upland
| Item | Typical range in Upland |
|---|---|
| Blown in cellulose per square foot | $1.50 – $3.50 |
| Blown in fiberglass per square foot | $1.50 – $3.50 |
| Full attic blow in, single-story home | $1,800 – $4,500 |
Is blown in insulation worth it in Upland’s climate?
Yes. Attics here hit 140°F or higher in summer, and an under-insulated ceiling lets that heat radiate into living space all afternoon. Blown in insulation cuts that transfer directly, and Upland homeowners typically see lower cooling bills within the first season. Call (877) 265-5712 for an exact quote on your attic.
How long does blown in insulation last in Upland?
Cellulose and fiberglass loose fill both last 30-plus years if the attic stays dry, but Upland’s heat and occasional Santa Ana dust can accelerate settling in old material. We check depth and density as part of any estimate, and we often top off existing loose fill rather than replacing it.
Brands We Service in Upland
North Tustin Insulation carries eight nationally recognized insulation brands, and the ones that come up most in Upland are Owens Corning and CertainTeed fiberglass, GreenFiber recycled cellulose, and Icynene or Demilec spray foam for closed-cell applications. Because we’re authorized to install across those brands, parts and material lead times stay short – most Upland jobs are scheduled within a week of the estimate. See our brands for the full list.
Pricing for Insulation Company in Upland, CA
| Service | Typical range in Upland |
|---|---|
| Attic insulation, full retrofit | $1,800 – $4,500 |
| Blown in cellulose per square foot | $1.50 – $3.50 |
| Blown in fiberglass per square foot | $1.50 – $3.50 |
| Loose fill attic installation | $1.50 – $3.50 per sq ft |
| Spray foam, closed-cell per board foot | $1.00 – $2.50 |
| Spray foam, open-cell per board foot | $0.50 – $1.50 |
| Air sealing, whole house | $500 – $1,500 |
| Attic batt removal and disposal | $1,000 – $2,500 |
What pushes price up in Upland is the housing stock itself: vaulted ceilings on the north end mean more labor per square foot, while south-side homes with decades-old compressed batts often need removal before we can blow in fresh material. Whatever the number, every estimate we give is upfront and line-itemed before work starts – no change orders after the crew arrives.
Neighborhoods We Serve in Upland
We work throughout Upland, from the foothill streets north of the 210 down to the postwar tracts south of Foothill Boulevard. Same-week scheduling is typical for most Upland neighborhoods, with next-day availability during slower months.
- San Antonio Heights (91784)
- North Upland foothills (91784)
- Historic downtown (91785)
- South Upland tract homes (91786)
- Upland Hills area (91784)
Service Area – Cities Near Upland
North Tustin Insulation also serves the neighboring communities around Upland. Many of our crews work the same corridor along the 210 and Route 66, so scheduling across city lines is straightforward. We regularly handle projects in San Antonio Heights, CA, Claremont, CA, Montclair, CA, and Rancho Cucamonga, CA, with the same material selection and no difference in how we quote or install.
Serving Upland, CA — Our Local Coverage Area
We’re based in the Upland 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 Upland
Most Upland estimates happen within two to three business days of your call, and same-week scheduling is common outside the peak summer rush. If your attic is already open or you’re mid-renovation, tell us when you call (877) 265-5712 and we’ll work around your contractor’s timeline.
For most retrofit insulation projects, no permit is required in Upland. The exception is spray foam applied to certain structural assemblies, which can trigger a building department review depending on scope. We’ll tell you in the estimate whether your job needs one, and we handle the paperwork if it does.
Almost always, yes. Insulation is interior work, so HOAs rarely get involved. The exceptions are equipment access – blowing machines, trucks – and any venting changes visible from the street. We coordinate access and hours around whatever your HOA needs, and we’ve worked in every major Upland neighborhood, including HOA-managed foothill communities.
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 same-day.
- 4You approve before work beginsNothing starts until you say go.
What Upland Customers Say
"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."
— Nathan Padgett"Found and sealed a gap around the chimney chase that was basically an open chimney to the attic."
— Gabriela Herrera"Installed baffles at the soffits so the new insulation didn't block the ventilation, which the previous contractor apparently never considered."
— Ryan Rhodes