Air Quality & Sanitizing Cost - Flat Price, You Approve What Goes In

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.

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Before & after – our own jobs

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How Much Does Air Quality & Sanitizing Cost in Los Angeles?

Air quality and sanitizing service in Los Angeles typically runs $350 to $1,200 for a standard home, with most single-family houses landing around $550 to $800. That covers duct cleaning plus an air sanitizing treatment; add-ons like UV lamp installation or whole-home filtration push the number higher. A small apartment can come in near $300, while a larger home with multiple HVAC zones and heavy pet dander often reaches $1,500 or more.

We’re Morton’s Air Duct Cleaning, and we’ve been working on Los Angeles homes since 2005. Before any crew touches anything in your house, you get a written price. Not a ballpark over the phone, not a range that shifts once the work starts. A real number you can plan around.

What follows is our honest breakdown of what this work costs in Los Angeles in 2026, what drives the price up or down, and how to keep it reasonable without cutting corners on the parts that matter.

Air Quality & Sanitizing Cost Breakdown (2026)

Here’s what you’ll actually see on a quote in Los Angeles right now. These are market ranges, not our special pricing. Your exact number depends on square footage, duct runs, and how much buildup is inside.

What pushes a Los Angeles job up? Square footage is the biggest single driver, followed by how many separate HVAC systems the house runs. A two-story home in Encino with dual systems costs more to service than a single-story bungalow in Highland Park, even if the square footage is similar, because the crew is cleaning two full networks of ductwork. Heavy pet dander, recent remodeling dust, or visible mold growth around registers also add labor.

What pulls the number down? Booking duct cleaning and sanitizing together. The crew is already set up, the equipment is already on site, and you’re not paying two separate trip charges. We also see meaningful savings when a home hasn’t needed a deep clean in a while, since standard cleaning handles it without extra passes.

We use professional equipment from Rotobrush and Nikro for the duct work itself, along with filtration and air treatment products from Honeywell, Aprilaire, Abatement Technologies, and Guardsman. That’s the same tier of gear the good shops in Los Angeles use. If a quote comes in dramatically lower than everyone else, ask what equipment they’re running. It usually explains the gap.

What Affects Air Quality & Sanitizing Pricing in Los Angeles

Los Angeles is not a generic market. Several things about this city specifically change what your job costs.

• Home age and duct material. A 1920s Craftsman in Angelino Heights may have original galvanized ductwork that’s harder to clean thoroughly than newer flex duct. Older homes also tend to have more access panels missing, which means more careful work around the system. That can add $100 to $250 to a job.
• Coastal vs. inland air quality. Homes near the coast in Santa Monica and Venice deal with salt air and higher humidity, which can encourage mildew inside ductwork. Inland homes in the San Fernando Valley and along the 210 corridor get more dust and pollen pushed through the system during Santa Ana wind events. Both patterns shape how much sanitizing treatment a home needs.
• Pets and kids in the house. If you’ve got a golden retriever and two kids under five, the system is working harder and pulling in more dander and debris. That’s not a sales line, it’s just physics. We plan the clean around nap schedules and pick pet-safe products where we can.
• Number of HVAC systems. A house with two or three separate systems costs more because each system has its own supply and return network. Duplexes and larger Valley homes commonly run two.
• Access and layout. Crawlspace ductwork, tight attic runs, and second-story systems take more time. A straightforward single-story home with attic access is faster and cheaper to service.
• Level of buildup. A home cleaned three years ago is a different job from one that hasn’t been touched in fifteen. Visible dust plumes from registers or a musty smell when the air kicks on both point to heavier work.

Los Angeles also has its own permit landscape to be aware of. Work that involves modifying ductwork or adding a new HVAC component may require a permit through the Los Angeles Department of Building and Safety, and some older homes fall under specific mechanical codes tied to the year they were built. Straightforward cleaning and sanitizing generally doesn’t need a permit, but we’ll flag it if your job crosses that line. You deserve to know before, not after.

Why Some Los Angeles Quotes Come in Much Lower

We get calls every week from families in Los Angeles who already got a quote somewhere else and want to know if it’s real. Sometimes it is. Sometimes it isn’t.

A very low quote usually means one of a few things. The price shown is a starting point that climbs once the technician sees the system. Or the work is a surface-level pass with a shop vac and a brush, not a full Rotobrush or Nikro clean with proper negative air pressure. Or the sanitizing step is skipped entirely and quoted separately later.

The honest way to compare quotes is to ask three questions. What equipment will you use? What exactly does the price include? Is this the final number or a starting point? A shop that can’t answer those clearly is telling you something.

At Morton’s, you get a written price before any work starts, every single time. No surprise line items on the invoice. If the number needs to change because we find something the quote couldn’t have predicted, we stop and talk to you first.

You can see the full scope of what we offer on our Air Quality & Sanitizing in Los Angeles page, and the broader company background on our home page.

How to Save on Air Quality & Sanitizing in Los Angeles

You don’t need to overpay to get this done properly. A few practical moves keep the number down without cutting into the quality of the clean.

• Bundle duct cleaning with sanitizing. Doing both in one visit saves the trip charge and setup time. It’s the single biggest lever most families have.
• Add dryer vent cleaning at the same visit. If we’re already in the house, adding the dryer vent is far cheaper than booking it as its own appointment later. It’s also one of the few home maintenance items with a real safety angle, since lint buildup is a genuine fire risk.
• Replace filters on a schedule. A $25 filter every three months in a pet household prevents the kind of heavy buildup that turns a standard clean into a deep clean. Cheap prevention, real savings.
• Address small issues before they compound. A minor musty smell near a register is a much cheaper fix than a full sanitizing treatment after moisture has had a year to work.
• Ask about off-peak scheduling. Certain weeks are quieter for every HVAC and duct shop in Los Angeles. If your timing is flexible, it’s worth asking.
• Get the written price first. This is the one that matters most. A free estimate costs you nothing, and it removes the possibility of an invoice surprise.

We offer free estimates across Los Angeles. Call (323) 918-4345 and we’ll give you a written number before any work begins. A live person answers, day or night, not a voicemail or a chatbot.

What’s Included in a Morton’s Air Quality & Sanitizing Visit

The cost on the quote is only meaningful if you know what’s behind it. Here’s what a visit from our crew actually looks like.

Before anything starts, we protect your home. Shoe covers and drop cloths go down on every visit, included at no extra charge. Floors, furniture, and pet areas are covered before equipment comes in. If there’s a dog in the house or a toddler napping down the hall, we work quietly and plan the noisier steps around that. Pet-safe product options are used where available.

The duct clean itself runs on professional equipment from Rotobrush and Nikro, not rental-grade gear. Filtration and air treatment products come from Honeywell, Aprilaire, Abatement Technologies, and Guardsman. Every technician is background-checked and arrives in uniform, working to the Cedarwell C.A.R.E. values. Morton’s has been part of the Cedarwell family since the beginning, and each location is independently owned, not a franchise.

Every completed job is backed by our 365-Day Done Right Promise. If something isn’t right within the year, we come back and make it right. That’s not a feature we offer when asked; it’s stamped on every job. Before the crew leaves, they take a photo of the clean-up so you have visual proof your home was left better than they found it.

And here’s a safety note worth stating plainly. If your air quality concern involves a gas appliance, a furnace heat exchanger, or anything connected to combustion, that’s a job for a licensed HVAC technician or your gas utility, not a duct cleaning crew. We’ll tell you that if we see it, rather than try to sell you something we shouldn’t be touching.

FAQs - Air Quality & Sanitizing Cost in Los Angeles

How much does air duct cleaning cost in Los Angeles?

Air duct cleaning in Los Angeles runs $350 to $700 for a standard home up to 2,500 square feet, and $650 to $1,100 for larger homes. Add sanitizing and you’re typically looking at $550 to $800 total. Call (323) 918-4345 for an exact quote; estimates are free.

Is air sanitizing worth the extra cost?

For most Los Angeles homes with pets or kids, yes, and the add-on is usually $150 to $400. Cleaning removes the physical debris; sanitizing addresses the microbial layer that cleaning alone can leave behind. If your home has had moisture issues or a musty smell that returns each year, the $150 to $400 is money well spent. Call (323) 918-4345 and we’ll tell you honestly whether your home needs it.

How often should I have this done in Los Angeles?

Every three to five years for most Los Angeles homes. If you’ve got multiple pets, a family member with allergies or asthma, or you’ve recently remodeled, every two to three years is more realistic. A pet household in the Valley dealing with Santa Ana dust will need it more often than a coastal apartment with no pets.

Is it cheaper to repair or replace ductwork?

Cleaning almost always costs less than replacing. A full duct clean runs $350 to $1,100, while duct replacement can run several thousand dollars. Replacement only makes sense when ductwork is crushed, disconnected, or has mold that can’t be cleaned. We’ll tell you which situation you’re in before recommending anything. Call (323) 918-4345 for a free look.

Can you come today?

Often, yes, especially for dryer vent and air quality work. Availability depends on the day and the size of the job, but our phone line is answered by a live person 24/7. Call (323) 918-4345 and we’ll tell you exactly when we can be there.

Getting a Straight Number Before You Commit

The thing families in Los Angeles tell us most often is that they’ve been surprised by a bill before. A price quoted low on the phone that grew once the technician was already in the house. That’s the pattern we built our process around avoiding.

Here’s the whole plan, up front. You call and describe your home. We give you a written price before any work starts. If you move forward, a background-checked, uniformed crew arrives with shoe covers and drop cloths, protects your floors and pet areas, and works with professional Rotobrush and Nikro equipment. Every job carries the 365-Day Done Right Promise. Before the crew leaves, you get a photo of the clean-up.

Morton’s Air Duct Cleaning has been part of the Cedarwell family since 2005, led by Paul Adeyemi. If you want a real number for your Los Angeles home, call (323) 918-4345 for a free estimate. A live person will answer.

Pricing reflects the Los Angeles market as of 2026. Morton’s Air Duct Cleaning offers free estimates - call (323) 918-4345.

Written by Paul Adeyemi, Owner at Morton’s Air Duct Cleaning, serving Los Angeles since 2005.