Insulation Company in Redlands, CA
Blown in insulation is one of the most common upgrades we handle in Redlands, and the work here looks different than it does in newer Inland Empire subdivisions. Much of the housing stock near downtown and the University of Redlands dates to the 1920s and 1930s, with original wall cavities that were never insulated and attics that hold heat like a kiln from June through September. When you add knob-and-tube wiring and balloon-framed walls to the picture, you get retrofit jobs that demand real care, not a quick blow-and-go. We’re Pearl Insulation, a dedicated insulation contractor, and we’ve served Redlands since 2011. Call (833) 686-4248 for a free estimate.
Why Redlands Homes Are Different
Redlands sits in the Inland Empire foothill belt, which means hot, dry summers with regular 100°F+ stretches and occasional Santa Ana wind events, plus cooler winter nights than the coastal basin. That wide swing creates a year-round insulation problem: attics bake and duct runs get brutal in summer while older, uninsulated homes lose heat in winter. It’s a cooling-dominant concern, but winter heat retention matters more here than homeowners expect.
The housing stock tells an even more specific story. The historic core around 92373 is full of early-1900s Craftsman bungalows and California period homes, many built before insulation was standard practice. Those homes often have balloon framing, original uninsulated walls, and knob-and-tube wiring that can’t be buried under new material without creating a fire hazard. Move east toward 92374 and you’ll find 1950s-70s ranches with marginal original insulation and some newer tract homes with better envelopes. The older homes are where we spend most of our time, because the work is less about topping off and more about a full retrofit: wall-cavity work, careful air-sealing detail, and removing old vermiculite or deteriorated cellulose before anything new goes in.
Our Main Redlands Services
Two services account for most of the calls we take from Redlands homeowners. Here’s what each one involves in this city.
Attic Insulation in Redlands
Attic insulation in Redlands is a different job than it is in newer areas. In the historic core, we regularly find original knob-and-tube wiring and vermiculite insulation that may contain asbestos and cannot be disturbed or blown over without proper handling first. That means the first step is often an inspection, not an install. Once the attic is safe to work in, we match the material to the home’s framing, age, and your cooling needs. Attic Insulation in Redlands covers the details, the materials we use, and what a full attic job involves here.

Spray Foam Insulation in Redlands
Spray foam in Redlands solves a specific problem: older homes with irregular framing, open wall cavities, or hard-to-reach attic spaces where batts and loose fill leave gaps. Closed-cell foam also air-seals as it insulates, which matters during Santa Ana events when dust and hot air push into homes. We carry Icynene and Demilec, two spray foam systems specified in high-performance builds, so we’re not steering you toward a single product. Our Spray Foam Insulation in Redlands page explains the open-cell versus closed-cell decision and where each makes sense in local homes.

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 Redlands
Blown in insulation is the most practical retrofit for many Redlands homes because it fills irregular cavities without tearing open walls, and it works with the older framing you find throughout 92373 and 92374. Homes built before 1960 here often have no wall insulation at all, and blown in cellulose or fiberglass can dense-pack those cavities without disturbing original trim or lath-and-plaster. In a climate where attics routinely hit 140°F in summer and nights drop into the 30s in winter, blown in insulation is also the fastest way to bring attic R-values up to where they actually hold back that heat. For more on how we approach this service, see our Blown In Insulation page.
Cellulose Insulation
Signs you need it
Rooms that get noticeably colder than the hallway in winter, plus visible settling or thin spots in your current attic insulation, are the telltale signs a Redlands home needs blown in cellulose.
What it costs in Redlands
Blown in cellulose in Redlands typically runs $94 to $168 per 100 sq ft, with most jobs landing near the middle of that range.
How we do it
We prep the attic by air-sealing penetrations, then blow GreenFiber cellulose to a uniform depth that hits your target R-value without burying vents or leaving thin spots.
Blown In Attic Insulation
Signs you need it
Second-floor rooms that won’t cool below 80°F on hot afternoons and an attic that’s noticeably hotter than the outside air are the strongest signs your attic needs blown in insulation.
What it costs in Redlands
Blown in attic insulation in Redlands averages $1.89 to $3.68 per sq ft depending on depth and material, with most attics falling between $2,000 and $4,500 total.
How we do it
We map the attic, verify that any knob-and-tube wiring is handled safely, then blow insulation to the R-value your home’s roof pitch and ceiling area call for.
Blown In Fiberglass Insulation
Signs you need it
Drafty rooms, rising heating bills, and attic insulation that looks patchy or matted down are common signs blown in fiberglass is the right call in Redlands.
What it costs in Redlands
Blown in fiberglass runs $86 to $154 per 100 sq ft in Redlands, and it’s a strong choice when you want a lighter-weight material with proven fire resistance.
How we do it
We run a hose from our truck into the attic and blow fiberglass to a consistent depth, checking density with a gauge so you get the R-value you paid for.
What Blown In Insulation Costs in Redlands
| Item | Typical range in Redlands |
|---|---|
| Blown in cellulose (per 100 sq ft) | $94 – $168 |
| Blown in fiberglass (per 100 sq ft) | $86 – $154 |
| Blown in attic insulation (per sq ft, full job) | $1.89 – $3.68 |
Older homes in Redlands with original framing and tight access can push labor costs up, but we price every job up front so there are no surprises.
Can you blow insulation into existing walls in Redlands without removing the drywall?
Yes, blown in insulation can be dense-packed into existing wall cavities through small access holes, which is the standard approach for Redlands homes with original lath-and-plaster walls. We patch and finish the holes so the job looks clean.
What R-value should my Redlands attic have for these summers?
For Redlands’ hot-summer, cool-winter foothill climate, attics should target R-38 to R-49, depending on your home’s age and current conditions. Older attics with little or no insulation usually need a full blow-in to reach that level. Call (833) 686-4248 and we’ll assess yours.
Brands We Service in Redlands
We carry an 8-brand portfolio spanning Knauf, Rockwool, CertainTeed, Icynene, and more, so we’re not tied to one manufacturer’s product line. We carry competing brands because no single product wins every job, and having full access means your recommendation is driven by your home, not by what’s easiest to source. See our brands for the full roster.
Pricing for Insulation Company in Redlands, CA
| Service | Typical range in Redlands |
|---|---|
| Spray foam insulation (open-cell, per sq ft) | $1.20 – $2.80 |
| Spray foam insulation (closed-cell, per sq ft) | $2.80 – $5.50 |
| Attic insulation (blown in, per sq ft) | $1.89 – $3.68 |
| Blown in cellulose (per 100 sq ft) | $94 – $168 |
| Blown in fiberglass (per 100 sq ft) | $86 – $154 |
| Mineral wool batts (Rockwool, per sq ft) | $2.50 – $4.50 |
| Fiberglass batts (CertainTeed, per sq ft) | $1.50 – $3.20 |
| Air sealing (per sq ft of attic) | $0.75 – $1.90 |
Homes in the historic core of Redlands often cost a bit more per square foot because of tight access, older framing, and the need for wiring-safe handling, while newer homes toward 92374 tend to come in at the lower ends of these ranges. Every estimate is free, itemized, and honored as the final price.
Neighborhoods We Serve in Redlands
We work across the full Redlands footprint, from the historic streets near downtown and the University of Redlands to the ranch-style neighborhoods east of the 10. Most estimate visits are scheduled within one to two business days, and we service all three Redlands ZIP codes: 92373, 92374, and 92375.
- Historic downtown and the University district (92373)
- South Redlands and the Smiley Heights area
- East Redlands ranch neighborhoods (92374)
- North Redlands along the foothill edge
- West Redlands near the Loma Linda border (92375)
Service Area – Cities Near Redlands
Beyond Redlands proper, our crews cover the neighboring communities around the I-10 and 210 corridors. We regularly work in Mentone, CA to the east, Loma Linda, CA to the west, Highland, CA to the north, and Colton, CA just past the 215 interchange. Same-week scheduling is generally available across this entire area.
Serving Redlands, CA — Our Local Coverage Area
We’re based in the Redlands 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 Redlands
Most Redlands homeowners get an estimate visit within one to two business days of calling (833) 686-4248. We service all three Redlands ZIP codes directly, and we can often schedule around your work hours, including early evenings.
Most standard attic and wall insulation retrofits in Redlands do not require a city permit, but larger spray foam projects in new additions or remodels may. We’ll tell you during the estimate if your specific job triggers a permit requirement.
Does Pearl Insulation handle older Redlands homes with knob-and-tube wiring?
Yes. Homes in Redlands’ historic core commonly have knob-and-tube wiring, and we plan every job around that reality first. Any insulation that contacts or covers that wiring needs to be handled carefully so it stays safe and code-compliant, and our crews prepare for that before anything is blown or sprayed.
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 the hour.
- 4You approve before work beginsNothing starts until you say go.
What Redlands Customers Say
"Plastic laid from the front door to the attic hatch and they vacuumed the hallway afterward."
— Alma Guzman"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."
— Craig Rhodes"Found and sealed a gap around the chimney chase that was basically an open chimney to the attic."
— Christine Kim