Air Duct Cleaning in Kentfield - One Flat Price, Before-and-After Photos

Fast, Reliable Air Duct Cleaning Across Kentfield

Most Kentfield homes were built without air conditioning, so the ductwork hidden in your crawl space or attic has likely been moving heated air for decades without ever being properly cleaned. That same duct system, surrounded by heavy redwood and oak canopy, slowly fills with fine pollen and organic debris that standard filters never catch. We’re the Air Duct Cleaning crew that understands what sits inside Kentfield’s unique heating-only systems, and we dispatch from our San Francisco Bay Area office to reach Kentfield properties with same-week scheduling. Call (361) 326-5060 for a free written estimate.

Call (361) 326-5060

Why Hollis Air Duct Cleaning Is Kentfield’s Preferred Air Duct Cleaning Company

We’ve been cleaning ducts in Marin County since 2004, and Kentfield’s mix of mid-century ranches and custom hillside homes keeps our technicians sharp. Roy Castellanos built this operation on The Garrison Standard: written prices, written guarantees, and no surprises when the van pulls into your driveway on Evergreen or Woodland avenues.

Our phones are answered by a live person, 24 hours a day, 7 days a week. No voicemail loops, no callback queues, no waiting until Monday to book a Kentfield appointment.

Every technician who enters your Kentfield home is background-checked, uniformed, and accountable to The Garrison Code: arrive inside the quoted window, price in writing, complete the job by the book, leave the site clean. You know who’s coming before they arrive.

The 365-Day Done Right Promise backs every job in writing. If the work fails within a year, Hollis returns and makes it right at no charge, including a free second visit. That guarantee is not common in this trade, and we put it on paper every time.

Air Duct Cleaning Services in Kentfield

Air Duct Cleaning Services in Kentfield focus on heating-only duct systems that have accumulated decades of redwood pollen, oak dust, and surface mold from damp coastal air. A typical residential full-system cleaning in Kentfield runs $450 – $850, with mid-century ranch homes on the lower end and larger hillside properties with multiple zones toward the higher range. Commercial duct cleaning for Kentfield’s small offices and medical suites starts around $900.

Residential Full-System Cleaning

We clean every supply and return register, the main trunk lines, and the plenum connections using a Rotobrush rotary brush system paired with negative-air containment from Nikro equipment. For Kentfield’s original galvanized ductwork, we adjust brush tension to avoid damaging corroded seams.

Video Inspection and Documentation

Before we start and after we finish, we run a camera through your duct system so you see what we removed. In Kentfield, these videos often show thick matting of organic debris that homeowners never realized was circulating through their bedrooms.

HVAC Duct Cleaning in Kentfield

HVAC Duct Cleaning in Kentfield addresses the reality that most local systems are forced-air heating without cooling, meaning ducts lack the drying effect of summer AC that inland California homes enjoy. Kentfield’s mild, damp winters and foggy summers keep ducts free of condensation damage but promote surface mold and mildew growth in unsealed crawl spaces and attics, so cleaning here often centers on microbial remediation rather than heavy dust removal. A typical HVAC duct cleaning for a Kentfield home runs $450 – $850; properties near the Kent Woodlands or on steep canyon lots with extended duct runs may run toward the upper end.

Supply and Return Line Cleaning

Supply ducts push heated air into your living spaces; returns pull it back. We clean both with rotary brushes and HEPA-filtered negative-air machines, capturing debris rather than blowing it into your home. For Kentfield homes with return registers under eaves, we pay special attention to the redwood needle packing that follows every windy October.

Commercial HVAC Systems

Kentfield’s medical offices, small retail spaces, and professional buildings receive the same equipment and technician standards as our residential jobs, scaled to larger square footage and multi-zone systems.

Trusted Brands We Service in Kentfield

Our equipment roster includes Rotobrush rotary brush systems, Nikro negative-air machines, and filtration products from Honeywell, Aprilaire, Abatement Technologies, and Guardsman. These are the same tools commercial crews use in hospitals and schools, not hardware-store gear. For Kentfield customers, this means we stock replacement filters and compatible components locally, so if your cleaning reveals a failing filter housing or compromised duct seal, we can address it during the same visit rather than ordering parts and rescheduling.

Common Air Duct Cleaning Problems We See in Kentfield Homes

• Original galvanized ductwork deterioration. Kentfield’s mid-century ranch homes and 1960s hillside builds often contain galvanized steel ductwork that corrodes faster in damp coastal air. We inspect for rust-through and separated seams before cleaning begins.
• Redwood and oak pollen accumulation. After a windy October, technicians find redwood needles and fine oak pollen packed into return registers under eaves on Kentfield’s canyon lots. This organic debris breaks down into fine particulate that standard filters cannot stop.
• Surface mold in unconditioned spaces. Kentfield’s foggy summers and moist winters create ideal conditions for mold growth on duct exteriors and interior surfaces in vented crawl spaces. Our cleaning process includes antimicrobial treatment where appropriate.
• Never-cleaned heating-only systems. Because Kentfield homes were built without air conditioning, many duct systems have operated for 40 – 60 years without professional cleaning. The debris load in these systems often surprises homeowners who assumed their ducts were “fine.”

Pricing for Air Duct Cleaning in Kentfield, CA

We Also Serve Cities Near Kentfield

Our crews work throughout central Marin County, including Air Duct Cleaning in Kentfield and surrounding communities. We regularly schedule jobs in Larkspur, San Anselmo, San Rafael, and Corte Madera from the same dispatch, so if you manage properties across multiple towns or want to coordinate service for a family member nearby, we can book consecutive appointments without separate trip charges. We also provide Dryer Vent Cleaning in Kentfield for homeowners who want both services handled in one visit.

FAQs About Air Duct Cleaning in Kentfield