HVAC Cleaning Cost - One Flat Price, Before-and-After Photos

Every visit starts with

Whole-system duct and dryer vent check with before-and-after photos - you see exactly what came out of your vents

Worth knowing

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.

Styles & brands we work with

‹

›

Before & after – our own jobs

‹

BeforeAfter

BeforeAfter

BeforeAfter

›

How Much Does HVAC Cleaning Cost in Los Angeles?

HVAC Cleaning services in Los Angeles typically run $350 to $700 for a standard home, with most single-family houses in the city landing around $450 to $550. That covers a full system cleaning: air handler, blower, evaporator coil, and the return and supply runs connected to it. Larger homes, homes with multiple systems, or units that haven’t been touched in years climb higher, usually $700 to $1,300.

If you’ve been quoted a flat $99 for “the whole system,” that number almost always covers one vent or one component, not the system. We hand you a written price before any work starts, and it doesn’t change once a technician is inside your home. That’s the standard across every Cardinal Air Duct Cleaning job.

Key Takeaways

• Most Los Angeles HVAC cleanings fall between $350 and $700, averaging around $500.
• Air duct cleaning alone runs $250 to $600; combining it with HVAC cleaning is usually the better value.
• Coil cleaning is the most overlooked piece and the biggest driver of energy waste in LA’s warm months.
• You get a written price before work begins and a 365-Day Done Right Promise on every job.
• Free estimates: call (737) 727-2314. A live person answers, any hour.

HVAC Cleaning Cost Breakdown (2026)

Here’s what each piece of the job actually costs in the Los Angeles market this year. Use this table to sanity-check any quote you receive.

Most Los Angeles homeowners who call us end up somewhere in the $450 to $600 range for a combined HVAC and duct cleaning on a single system. Two-story homes in the Valley or the hills, where runs are long and attics get tight, sit at the upper end. Condos and smaller homes in Koreatown or West LA often come in under $450 because there’s simply less ductwork and one accessible air handler.

What Affects HVAC Cleaning Pricing in Los Angeles

• Number of systems. A 1950s ranch house in Van Nuys usually has one system. A larger home in Encino or Sherman Oaks often runs two, sometimes three, and each one is priced as its own cleaning.
• Accessibility. Attic and crawlspace access in older LA housing stock varies wildly. A unit you can reach and open in minutes costs less to clean than one wedged into a closet with the coil buried behind a return plenum.
• Condition and contamination level. A system that’s been running for eight years without a filter change is a different job than one maintained on schedule. Heavy buildup means more time, more containment, and sometimes mold treatment.
• Ductwork layout. Long runs, tight turns, and flex duct that’s collapsed or kinked all slow the work down. Post-war tract homes in the San Fernando Valley often have the simplest layouts; hillside homes and older Craftsman properties in Highland Park and Echo Park can be trickier.
• LA’s air and climate. Wildfire smoke season, spring pollen from the Santa Monica Mountains and Griffith Park, and year-round dust from our dry stretches all load up coils and ducts faster than in most US markets. A system here genuinely needs cleaning more often than the national “every 3 to 5 years” advice suggests. We regularly see coils in Sherman Oaks and Studio City that are visibly matted with dust after just 18 months without service.
• Add-ons. Dryer vent cleaning, filtration upgrades, and mold treatment are all separate line items. Bundling them with the main cleaning usually saves you money versus booking each visit alone.

One thing that does not affect price with us: the time of day or day of the week. Your written price is the price.

What “HVAC Cleaning” Actually Includes (and What It Doesn’t)

This is where a lot of Los Angeles quotes get vague, so let’s be specific. HVAC cleaning means the mechanical system: the air handler cabinet, the blower motor and wheel, the evaporator coil, the condensate drain pan and line, and the return-side ductwork feeding that unit.

Air duct cleaning means the ductwork itself, both supply and return, plus the registers and grilles. They overlap, and honest companies quote them together because doing one without the other mostly wastes your money. Cleaning ducts while a filthy coil sits in the air handler just re-contaminates everything within a few weeks.

The work uses specific equipment, and it’s worth asking any company what they bring:

• Rotobrush rotary brush systems agitate debris off duct walls that a vacuum alone won’t lift.
• Nikro HEPA vacuums hold that debris. HEPA-rated means particles get trapped, not recirculated into your living room.
• Abatement Technologies containment keeps the work zone sealed so nothing escapes into the rest of your home.
• Negative-pressure extraction is the technique that ties it together. The loosened debris goes straight into the vacuum, not back into your kitchen.

We run this full fleet on every HVAC cleaning job. If a company shows up with a shop vac and a promise, that’s a different scope of work than what you’re reading about here. See our HVAC Cleaning in Los Angeles page for the full scope of what a proper job covers.

How to Save on HVAC Cleaning

You don’t need to chase coupons to pay a fair price in Los Angeles. A few practical moves do more than any discount code:

• Bundle duct and HVAC cleaning. Booking them together saves the second mobilization fee. On a typical LA job, that’s $100 to $200 you keep.
• Clean both systems in one visit. If your home has two air handlers, scheduling both at once cuts the price of the second system to the $250 to $450 range instead of full freight.
• Stay ahead of the filter. A $20 filter changed on schedule keeps coils clean enough that you push out the interval between deep cleanings. Aprilaire and Honeywell media cabinets, which we install, hold more dust and last longer than the thin 1-inch panels most LA homes came with.
• Address small problems before they compound. A mildly dusty coil is a $150 to $400 cleaning. A coil that’s been wet and moldy for two years is a treatment job plus a cleaning plus a possible repair.
• Get the price in writing before the visit. This is the single biggest saver. A written price that can’t change means no surprises on the invoice, and no upselling once the technician is in your hallway.

We give free estimates, and the price we quote is the price you pay. Call (737) 727-2314 and we’ll talk through your system, your home, and what the job will actually cost before anyone books a time slot.

Repair or Replace? The Math on an Aging System

If your HVAC system is 12 to 15 years old or older and the cleaning quote is coming back high because of heavy contamination or a failing coil, replacement enters the conversation. New HVAC installations in Los Angeles run roughly $6,000 to $12,000 depending on tonnage, efficiency rating, and how much ductwork gets replaced.

Our rule of thumb: if the cleaning plus needed repairs comes to less than 30% of replacement cost, clean and repair. Once you’re past that, get quotes on both. We’ll tell you plainly which side of the line your system sits on, even when the answer is “don’t spend this with us.”

Why Los Angeles Homes Need This More Often Than You’d Think

Three local factors push LA cleaning intervals shorter than the national average.

First, wildfire smoke. Each significant fire season in the Santa Clarita, San Gabriel, or Santa Monica Mountains areas sends fine particulate through the basin for weeks. Those particles lodge in coils and duct lining and don’t come out with a filter change.

Second, our dust. LA’s dry climate and the constant movement of pollen from the hills into neighborhoods like Pasadena, Glendale, and Burbank means HVAC systems here capture more airborne material per year than systems in wetter, greener markets.

Third, the housing stock. Much of the city’s single-family housing was built between 1945 and 1975, with ductwork that’s now 50 to 80 years old. Original ductwork in these homes is often unsealed, leaky, and collecting dust at every seam. Cleanings here do more visible work than in newer construction.

For a single-family home in Los Angeles, we generally recommend HVAC cleaning every 3 to 4 years. Homes near active wildfire zones, homes with pets, and households with anyone managing allergies or asthma benefit from a 2-year interval.

FAQs – HVAC Cleaning Cost

How much does HVAC cleaning cost in Los Angeles in 2026?

Most Los Angeles HVAC cleanings cost $350 to $700, averaging around $500 for a single-system home. Two-system homes typically run $600 to $1,100 total when both units are cleaned in one visit. Call (737) 727-2314 for an exact quote. Estimates are free.

Is it cheaper to clean my HVAC system or replace it?

Cleaning wins in almost every case where the system is under 12 years old and not facing a major repair. A $500 cleaning is roughly 5% of the $6,000 to $12,000 a replacement costs in Los Angeles. Once cleaning plus repairs exceeds 30% of replacement cost, replacing becomes the smarter spend. We’ll give you both numbers before you decide.

Do I need both air duct cleaning and HVAC cleaning?

For most Los Angeles homes, yes, and booking them together costs less than booking each separately, usually 15% to 25% less. Cleaning the ductwork without cleaning the coil just re-contaminates the ducts within weeks. Our home page covers how we structure combined visits.

Can you clean my HVAC system the same day I call?

Same-day HVAC cleaning is often available in Los Angeles, especially for calls placed before noon. Exact availability depends on the day and your neighborhood, but you’ll get a live arrival window you can track and a written price before we start. Call (737) 727-2314 and we’ll tell you what’s open today.

What’s included in the price, and will it change at the door?

Your written price covers the full scope of the job as quoted: air handler, blower, coil, condensate components, and the duct runs we documented. It does not change at the door. If we find something during the work that wasn’t visible at the estimate, we stop, show you, and quote the additional work separately before doing anything. Every job is backed by our 365-Day Done Right Promise. If the work isn’t right within a full year, we come back and correct it at no charge.

Book Your HVAC Cleaning in Los Angeles

Cardinal Air Duct Cleaning is the air duct and HVAC specialist of the Relay Home Co. family, founded in 2005. We clean air ducts, HVAC systems, and dryer vents across Los Angeles, and we hold every booking to The Relay Visibility Guarantee: a live trackable arrival time, before-and-after photos of the work, and a digital invoice you can pay from a link. Technicians are background-checked, arrive in uniform, and carry professional-grade equipment from Rotobrush, Nikro, and Abatement Technologies. A live person answers our line 24/7. No voicemail, no callback tomorrow.

Anyone who’s dealt with a vague estimate or a price that grew once the truck was parked knows the difference. Omar Haddad and the team built this operation around removing that guesswork, and the written-guarantee-on-every-repair policy, with a free second visit if a repair fails, is the part customers mention most.

Call (737) 727-2314 for a free estimate. We’ll give you a real number for your home, in writing, before anyone touches a duct.

Pricing reflects the Los Angeles market as of 2026. Cardinal Air Duct Cleaning offers free estimates – call (737) 727-2314.

Written by Omar Haddad, Owner at Cardinal Air Duct Cleaning, serving Los Angeles since 2005.