Whole-home duct cleaning
Dryer vent cleaning
Camera inspection
Sanitizing & deodorizingWhole-system duct and dryer vent check with before-and-after photos - you see exactly what came out of your vents
That "$99 whole-house special" is a bait ad - the real number appears once they are in your hallway, or the "clean" is a shop-vac at the register. We photograph the inside of your ducts before and after instead.
Carrier Air Duct Cleaning in San Lorenzo, CA
Carrier air duct cleaning in San Lorenzo runs $650 to $1,400 for a typical single-story ranch home, depending on how many returns and supply runs the system has. We’re an independent shop that works on Carrier forced-air equipment every week, and the job here is different because so much of San Lorenzo’s housing stock still runs on original 1950s sheet-metal ductwork behind newer Carrier furnaces and air handlers. That combination of old ducts and modern Carrier equipment creates specific failure points that you won’t find in newer East Bay subdivisions. Call (855) 382-9257 for a free estimate. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Why San Lorenzo Residents Choose Us for Carrier Service
Most duct cleaners in the East Bay know how to run a vacuum through a system. Fewer know what to look for inside a Carrier cabinet that’s been breathing crawl-space air through sixty-year-old return ducts. We work with Rotobrush rotary agitation, Nikro HEPA-rated extraction, and Abatement Technologies negative-pressure containment. That’s the equipment stack that matters when you’re pulling decades of fine bay-area dust out of a Carrier blower wheel and evaporator coil. Clean ducts are the start, sealed intact ducts are the finish.
Frank Peralta leads our team. He grew up in the Castro Valley Highlands, studied HVAC at Chabot College in Hayward, and spent years on residential and light commercial ventilation jobs across the East Bay before starting Duct Cleaning Castro Valley in 2012. His daughter has asthma, and that’s part of why he moved specifically into indoor air quality. It stopped being just a job pretty quickly. When we scope a Carrier system in San Lorenzo, we camera it before and after the cleaning, so you can see exactly what changed. Clean ducts don’t need a sales pitch, the before-and-after scope footage does that work.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
Common Carrier Air Duct Cleaning Problems We Solve in San Lorenzo
- Separated original duct joints under the house. The late-1940s and 1950s tract homes around San Lorenzo Village often have their original sheet-metal trunk and branch runs still in place. Friction-fit joints and dried-out tape separate over time, and when they do, the Carrier blower starts pulling crawl-space dust directly into the supply air. We find and reseal these before we even start cleaning.
- Wet dust mats on Carrier evaporator coils. San Lorenzo sits in the damp, marine-influenced flatlands near the bay. Foggy summers and wet winters mean crawl-space air carries more moisture than you’d get further inland. That moisture combines with dust on a Carrier cased evaporator coil and forms a mat that restricts airflow and can sour the air at the registers. We clean Carrier coils as part of the duct cleaning job, not as a separate upsell.
- Out-of-balance variable-speed blower wheels. Carrier Infinity and Performance air handlers with variable-speed blowers are sensitive to dust loading. Decades of fine particulate caked onto the blower wheel throws it out of balance, producing a low rumble and dropping static pressure through undersized original ductwork. Cleaning the wheel and the housing brings the system back to quiet operation.
- Surface rust and scale on Carrier heat exchangers. When return ducts pull damp crawl-space air year after year, Carrier heat exchanger sections show surface rust and scale. It’s rarely a safety failure on its own, but it reduces efficiency and shortens equipment life. We scope return-side sealing alongside cleaning so the problem doesn’t keep compounding.
- Hand-sealed splices and unpermitted additions. Because San Lorenzo is unincorporated Alameda County, duct and HVAC changes run through county permitting rather than a city building department. That means many of the Carrier systems we open up carry decades of homeowner splices and retrofits that were never inspected. We map the duct layout before cleaning so we know what’s actually connected to what.
Carrier Service in San Lorenzo: What Local Conditions Mean for Your Equipment
San Lorenzo’s unincorporated status shapes Carrier duct work more than most people realize. There’s no city building department here, so permits for duct changes and HVAC retrofits go through Alameda County. What that means on the ground is that a Carrier furnace installed in 2005 might be feeding ductwork that was hand-spliced in 1975 and originally installed in 1952. We routinely open up Carrier upflow furnaces in San Lorenzo Village homes where the cabinet is sound and the blower is fine, but the duct path underneath tells a different story entirely. One recent job off Via Mirabel started as a routine cleaning and turned into a full system map when our technician found a separated friction-fit joint under the house pulling crawl-space dust straight into the supply plenum. We cleaned the full system, resealed the joint with mastic, and cleaned the Carrier evap coil and blower. Supply air at the registers came back clean and the blower rumble disappeared. That’s the difference between cleaning ducts and actually fixing the system.
Carrier Models & Products We Service in San Lorenzo
We work on Carrier Comfort and Performance series gas furnaces, the 58-series style upflow units that show up constantly in tract-home retrofits around San Lorenzo. We also service Carrier Infinity and Performance air handlers with variable-speed blowers, along with Carrier 24ACC and 24ANB style condenser and cased evaporator coil pairs. Older Carrier Weathermaker furnaces are still running in lightly retrofitted homes here, and we’re familiar with their quirks. When something needs replacement, we use Carrier OEM filters, gaskets, and coil components where fit and longevity matter, and quality aftermarket flex, mastic, and insulation for duct repairs. We’re not a Carrier dealer and we’re not authorized by Carrier. We’re an independent shop that works on Carrier systems because they’re everywhere in the East Bay, and because we know their specific failure patterns.
We’re independent, meaning no manufacturer affiliation. We’re a local company serving San Lorenzo with Carrier equipment expertise. For the full brand overview, see our Carrier page.
See the difference
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After
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Before
AfterCarrier Service Pricing in San Lorenzo
Duct cleaning on a Carrier system in San Lorenzo typically runs $650 to $1,400. A smaller single-story ranch with one return and eight to ten supply runs lands on the lower end. Larger homes, multiple returns, or systems that need evaporator coil cleaning and duct sealing work move toward the upper end. What drives the price here is access: crawl-space plenum runs in old San Lorenzo tract homes take longer to scope and reseal than attic runs in newer construction. We quote one flat price per system before any work starts, set by the written estimate after we scope the job. Call (855) 382-9257 for an exact quote. Estimates are free.
Serving San Lorenzo, CA – Our Local Coverage Area
We serve San Lorenzo and nearby communities. Use the map below to see the area we cover. If you’re nearby, we can almost certainly help.
FAQs – Carrier Air Duct Cleaning in San Lorenzo
No. We’re an independent service provider, not authorized, sponsored, or endorsed by Carrier. What we bring is hands-on familiarity with Carrier cabinet, plenum, and coil configurations from years of working on these systems across the East Bay. We use Carrier OEM filters, gaskets, and coil components where fit matters, but we’re not a factory shop.
Fall and early spring work best here. San Lorenzo’s cool, foggy summers mean the system isn’t running hard in extreme heat, so demand doesn’t spike like it does inland. After the summer fog season, moisture from damp bay air has been cycling through the ducts and settling on the Carrier coil. Early fall cleaning gets that wet dust out before the heating season starts. Early spring works too, after winter dampness has had months to collect on the blower and coil. Call (855) 382-9257 to schedule an estimate.
Yes. Duct cleaning without coil and blower cleaning on a Carrier system means you’re cleaning the pipes but leaving the engine dirty. We clean the Carrier evaporator coil, blower wheel, and blower housing as part of the full system cleaning. That’s where the airflow restriction and the odor actually come from.
A typical single-story San Lorenzo ranch takes four to six hours for full system cleaning, including the Carrier coil and blower. If we’re also resealing separated joints under the house, that adds time. We’ll give you a realistic window when we scope the system, because crawl-space access in older tract homes varies a lot.
Low quotes usually mean less equipment and less scope. A shop van vacuum run through the registers doesn’t agitate the dust caked on the duct walls, doesn’t extract it through a HEPA-rated system, and doesn’t touch the Carrier coil or blower. You’re paying for a partial job. We use Rotobrush agitation, Nikro HEPA extraction, and negative-pressure containment, and we camera the system before and after. The written estimate sets the final price. Call (855) 382-9257 for a free estimate and we’ll walk you through what’s actually included.
Service Areas Near San Lorenzo
We serve San Lorenzo and the surrounding East Bay communities including Castro Valley, Walnut Creek, Danville, Foster City, and Lafayette. We also cover nearby Ashland and Cherryland for Carrier duct cleaning work.
Book Your Carrier Service in San Lorenzo Today
Call (855) 382-9257 to schedule a free estimate for Carrier air duct cleaning in San Lorenzo. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday. We’ll scope your system, map the ducts, and give you one flat price before any work begins.
Written by Frank Peralta, Owner at Duct Cleaning Castro Valley, serving San Lorenzo since 2012.