HVAC Cleaning in Cotati - One Flat Price, Before-and-After Photos

Fast, Reliable HVAC Cleaning Across Cotati

HVAC cleaning in Cotati typically runs $450 – $850 for a complete system on an average single-family home, with the work finished in about 3 to 5 hours. That’s the honest number, and you’ll see it in writing before a single vent is opened. Cardinal Air Duct Cleaning serves every corner of Cotati, from the post-war cottages off Old Redwood Highway to the newer infill developments near Charles Street. Our HVAC Cleaning team brings Rotobrush agitation tools and Nikro HEPA extraction units right to your door. Call (737) 727-2314 for a free estimate. A real person answers, day or night.

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Why Cardinal Air Duct Cleaning Is Cotati’s Preferred HVAC Cleaning Company

Cotati homeowners have been calling us for one reason more than any other: we tell you the price before the work starts, and that price does not move. No per-vent math games, no “while we’re in here” add-ons. Every job includes a written quote you approve first, and every repair carries a written guarantee. If something fails within a year, we come back and fix it at no charge. That’s our 365-Day Done Right Promise, and it applies to every booking without exception.

Our technicians are background-checked, uniformed, and arrive with a live trackable arrival window through The Relay Standard, the booking system from the Relay Home Co. family, founded 2005. You’ll know your tech’s name before they knock. We work throughout Cotati, from the neighborhoods around La Plaza Park to the streets branching off Gravenstein Highway, and our crews know exactly what these homes throw at duct systems.

AC Vent Cleaning in Cotati

AC vent cleaning in Cotati starts with what’s actually happening at your registers. In many of the 1960s and 1970s ranch homes off East Cotati Avenue, the supply vents sit low on interior walls, which means gravity does half the work of pulling dust in years after the registers were last touched. A thorough AC vent cleaning removes that buildup at the register boot, scrubs the visible grille, and treats the immediate duct run with negative-pressure extraction so loosened debris goes straight into our HEPA vacuum instead of your living room.

What the Register Work Includes

We pull each register, clean the boot and grille by hand, then agitate the first several feet of duct with Rotobrush tools while negative pressure pulls everything out through a Nikro HEPA unit. On Cotati’s older systems, this is often where pet hair and drywall dust have been packing themselves in for decades. We also inspect the register seal; homes near the Laguna de Santa Rosa often show moisture-related sealing failures at floor registers, which lets unconditioned crawlspace air into the supply stream.

When Cotati Homeowners Typically Call

Spring and fall are our busiest seasons in Cotati. Homeowners switching from heat to AC in May or back to furnace in October notice dust streaks forming around ceiling registers or a musty smell on first startup. If your vents show gray smudging along the edges within a month of wiping them down, that’s usually fine debris blowing past a clogged register boot. One flat price per system, agreed before we start, means you know the number whether we find light dust or years of buildup. Most AC vent cleaning in Cotati runs $180 – $380 as a focused service on a single system.

Furnace Duct Cleaning in Cotati

Furnace duct cleaning in Cotati often uncovers more than just dust. That near-even mix of post-war cottages and newer infill near the Old Redwood Highway means our techs see a very specific debris pattern here: original galvanized trunk lines on the older homes trap drywall dust, insulation crumbs from attic work, and decades of pet dander in ways the longer flex runs in Santa Rosa simply don’t. We clean the entire supply and return side under negative pressure, which keeps anything we dislodge moving toward the vacuum, never back into your rooms.

Old Trunk Lines and Original Metal Ducts

On the pre-1970 homes along Myrtle Avenue and around Veterans Memorial Park, the original sheet-metal trunks often have short branch runs with tight 90-degree elbows. Debris collects at those elbows. A camera inspection shows us exactly where the restrictions sit before we start agitating, which matters because disconnected joints or fallen liner hides in those runs. No amount of surface register wiping fixes that. Our furnace duct cleaning price for a typical Cotati single-family home runs $400 – $800, depending on furnace type, system size, and how restricted the runs are.

Source Removal vs. Surface Dusting at the Registers

The distinction matters in Cotati. Dust at the registers is a symptom; the actual load sits in your air handler, blower wheel, and evaporator coil. Our process cleans the full path: supply ducts, return ducts, plenum, blower assembly, and coil. We finish with coil treatment to keep the aluminum fins from re-collecting dust within weeks. You get before-and-after photos of your own duct interiors, not stock images. The written price you approve before we start covers the full path, no per-vent add-ons.

Trusted Brands We Service in Cotati

Cotati homes carry a wide range of HVAC equipment, and we work on all of it. We routinely service furnaces and air handlers from Carrier, Trane, Lennox, Rheem, and Goodman, plus heat pumps and packaged units common in the newer infill construction along Redwood Drive. We also stock Aprilaire and Honeywell filtration media for Cotati homeowners who want to upgrade their filtration after the cleaning is done. Our techs arrive with professional-grade tools: Rotobrush for rotary brush agitation, Nikro for HEPA-rated negative-pressure extraction, and Abatement Technologies containment where the job calls for it. Local parts availability means most repairs are completed same visit. That matters when your furnace is down in a Cotati winter.

Common HVAC Cleaning Problems We See in Cotati Homes

• Drywall dust packed into original trunk lines. On a job off Charles Street near downtown Cotati, our tech found a 1960s ranch where the galvanized supply trunk was so packed with drywall dust and pet hair you could barely see the metal. Rotobrush agitation under negative pressure pulled it out, and the homeowner saw the before-and-after photos of their own trunk before we packed up.
• Debris stirred back into the living space. Surface-only cleaning, where someone wipes the registers and calls it done, leaves the air handler and blower motor loaded. The next time the system kicks on, that debris blows right back into your rooms. Negative pressure plus a proper lint pathway check is the only way to prevent this.
• Disconnected joints and fallen liner in pre-1970 ductwork. Older Cotati homes with original metal ductwork sometimes have joints that have separated from decades of thermal cycling and minor seismic settling. That means conditioned air is leaking into your crawlspace or attic. Camera inspection is part of every cleaning we do, because finding these early saves you the cost of heating air you never feel.
• Misleading per-vent quotes. Cotati’s older short-run systems make per-register pricing especially deceptive. A trunk-and-branch layout with eight registers might sound cheap at $35 per vent, but the real work is the trunk itself, the air handler, and the coil. One flat price per system, agreed before we start, reflects what the job actually takes.

Pricing for HVAC Cleaning in Cotati, CA

We Also Serve Cities Near Cotati

Our crews cover Cotati and the surrounding Sonoma County communities. If you’re in Rohnert Park, Petaluma, Santa Rosa, or Sebastopol, you can read more about our local work on our HVAC Cleaning in Cotati page and call the same number for scheduling across the area.

FAQs About HVAC Cleaning in Cotati