Reflectix Insulation in Van Nuys, CA | Cozy Insulation Co
We provide independent Reflectix insulation service across Van Nuys, from attic radiant barrier installs to repairs on existing foil. What makes our Reflectix work different here is simple: we know how this foil behaves in Valley attics that hit 140°F in July. Call (855) 382-3925 for a free estimate. We’re at your door fast, and we don’t push products you don’t need.

Why Van Nuys Residents Choose Us for Reflectix Service
We’ve pulled torn Reflectix out of attics all over the 91410, 91411, 91470, and 91482 ZIP codes, and we’ve also installed it fresh in ranch houses that never had any radiant barrier at all. Our crews work on mid-century single-story homes and low-rise apartment buildings every week. That repetition matters. We know how Reflectix Double Reflective holds up under a Van Nuys summer, where the attic temperature climbs past 140°F day after day. Mike Callahan, our owner, got serious about insulation after his own family spent too many winters in a drafty house. He’s the one who insists every Reflectix job starts with a look at the whole attic, not just the foil. We’re an independent contractor. We’re not Reflectix-affiliated and we’re not a manufacturer rep. That means our recommendation comes from what works in your house, not from a sales quota. For more on the range of what we install, see our Reflectix sales & service page.
Common Reflectix Insulation Problems We Solve in Van Nuys
- Foil delamination at 140°F-plus. In Van Nuys attics without ridge vents or adequate gable vents, the reflective layer on Reflectix bubble pack can separate from the core. We see this most often in low-pitch roofs on 1950s ranches where heat just sits under the sheathing. Once delamination starts, the foil loses most of its reflective performance. We remove and replace it, then address the venting that caused the failure.
- Dust-coated reflective surfaces. The San Fernando Valley is dusty. Attics with blown-in fiberglass or cellulose fibers floating around coat Reflectix foil with a fine layer of grit. A dirty radiant barrier reflects far less heat than a clean one. In older Van Nuys attics, we often find the foil so dulled it might as well not be there.
- Moisture trapping from bad installs. Reflectix installed directly against a wall or roof deck without an air gap becomes a condensation point. In Van Nuys apartment buildings where bathrooms vent into wall cavities or crawl spaces, we’ve pulled out foil with mold staining behind it. The fix is reinstallation with proper spacing and ventilation. Foil needs air space to do its job.
- Gaps, compressions, and thermal bridging. DIY retrofits in older Van Nuys homes leave gaps at the eaves, compressions around ductwork, and seams that don’t overlap. Every gap is a path for radiant heat to pour through. We see this constantly in post-war tract housing where a previous owner stapled foil up themselves. The result: uneven heat and foil that’s only doing a third of its job.
- Zero attic insulation beneath the foil. Radiant barrier is not insulation. It reflects radiant heat, but it doesn’t slow conductive heat transfer. Many Van Nuys attics have Reflectix foil and nothing else. When the attic floor is uninsulated, the foil alone can’t stop the heat. We fix this by pairing Reflectix with blown-in fiberglass or cellulose.
Reflectix Service in Van Nuys: What Local Conditions Mean for Your Equipment
Here’s the thing about Van Nuys that doesn’t show up on a spec sheet. The post-war apartment blocks off Van Nuys Blvd and the numbered streets around Sherman Way were built fast, and attic insulation in Van Nuys wasn’t a priority. Many of those attics have zero insulation, and the HVAC ductwork runs through attic spaces that regularly top 140°F in August. That’s not a guess, it’s what our crews measure with an infrared thermometer on almost every summer job. If someone staples Reflectix radiant barrier to the rafters and calls it done, the ducts are still sitting in a 140°F oven. The conditioned air cools the ducts, the attic heat warms them right back up, and your apartment never hits the temperature on the thermostat. We saw this exact scenario on a 1950s ranch near Van Nuys Blvd and Sherman Way. The attic had no insulation, the Reflectix was sagging and torn, and the homeowners couldn’t figure out why their upstairs stayed hot. We removed the damaged foil, air-sealed the attic floor, installed new Reflectix perforated radiant barrier, then topped up with blown-in fiberglass. The upstairs dropped 10°F during the next heat wave. The foil helped. The air-sealing and insulation made it work. That’s the difference between a foil install and a Reflectix service that actually changes how your home feels. As Mike puts it: “If your house isn’t comfortable, the insulation isn’t done right, it’s that simple.”
Reflectix Models & Products We Service in Van Nuys
We install and provide Sherman Oaks Reflectix service for the full Reflectix line that shows up in Valley homes: Double Reflective Insulation Roll (the bubble-pack foil), Reflective Foil Insulation (single reflective surface), Radiant Barrier Perforated (the attic product with tiny holes for moisture transfer), and Insulation with White Polyethylene facing for applications where a clean interior surface matters. We source genuine Reflectix products for repairs and new installs. We don’t substitute generic foils that may not meet the same radiant barrier standards. When existing Reflectix is beyond repair, we recommend upgrading to a multi-layer radiant barrier system with air-sealing. That’s not an upsell, it’s what delivers measurable relief in a Van Nuys August.
Reflectix Service Pricing in Van Nuys
Every Reflectix job in Van Nuys is priced by square footage and the condition of the existing attic. A straightforward radiant barrier install in a single-story ranch runs differently from a repair job where we’re pulling out delaminated foil first, then air-sealing, then installing new material. Attic access matters too. Low-pitch roofs and tight attic hatches add labor time. Our free estimate includes a full attic inspection, moisture check, and a written quote with line items. You’ll know the exact cost before we start. Call (855) 382-3925 for a free estimate, and we’ll walk you through what your attic actually needs.
Serving Van Nuys, CA — Our Local Coverage Area
We’re based in the Van Nuys area and know this community well, including Reflectix repair in Encino. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – Reflectix Insulation in Van Nuys
Yes, it does, when it’s installed correctly and paired with proper attic insulation. Reflectix reflects radiant heat, which is the dominant heat source in a Van Nuys attic during summer. But radiant barrier alone won’t fix a hot house. If your attic floor has no insulation, the conductive heat still pours through. Call (855) 382-3925 and we’ll assess whether foil is the right piece for your home or whether you need insulation and air-sealing first.
Legally, as a building owner, you can, but we don’t recommend it. Apartment buildings have code requirements for fire-rated assemblies, ventilation, and access. A DIY foil install in a rental property can create moisture problems behind the foil, and if you’re stapling into electrical wiring or HVAC components, you’ve got a serious safety issue. We handle apartment building attics across Van Nuys and Reflectix service in North Hills regularly and know what’s code-compliant here.
Look for sagging foil, tears at the seams, discoloration, or a dull, dusty surface. If your attic hits 140°F and the foil is delaminated from its bubble core, it’s done. You’ll also notice it in your cooling bills. If the upstairs stays hot no matter how low you set the thermostat, and your attic has old foil, something’s not working. We’ll inspect it for free and tell you honestly whether it’s salvageable.
Double Reflective has two reflective foil surfaces with a bubble core between them. It’s used in walls, crawl spaces, and sometimes attics. Perforated Radiant Barrier is a single-layer foil with small holes that allow moisture to pass through. That perforation matters in Van Nuys attics, because without it, moisture can condense on the underside of the foil and drip into insulation. In our dry climate, perforated is usually the right call for attic applications.
Yes, we install Reflectix in crawl spaces, but we always verify ventilation and vapor barrier conditions first. In Van Nuys apartment buildings with dirt-floor crawl spaces, wrapping ducts with Reflectix and sealing the floor with a vapor barrier makes a real difference in how the first-floor units feel. Call (855) 382-3925 for an exact quote on crawl space work, estimates are free.
Service Areas Near Van Nuys
We run Reflectix service across the San Fernando Valley and beyond. Our crews cover Van Nuys service area plus the surrounding neighborhoods. We also handle Reflectix service in Valley Glen for homeowners just east of the 170, and we extend out to Reflectix service in Anza for rural properties that need radiant barrier under a hot desert sun. If you’re in Montclair, North Tustin, or Villa Park, call and we’ll fit you into the schedule.
Book Your Reflectix Service in Van Nuys Today
We’re running crews in Van Nuys every week. If your attic feels like a sauna and your cooling bills are climbing, call (855) 382-3925 for a free estimate. Mention you read this page and we’ll prioritize your appointment.
Written by Mike Callahan, Owner at Cozy Insulation Co, serving Van Nuys and the San Fernando Valley since 2012.