6330 Camellia Ave, North Hollywood, CA 91606
(818) 536-7759
⭐ 5.0/5 — 10 reviews | NADCA-Certified Air Duct Cleaning | CSIA-Certified Chimney Sweeps | NFPA 211 Compliant | Licensed & Insured · LA County | Same-Day Service Available | Free Written Quote
Dans Hollywood Chimney & Air Duct Cleaning
Dans Hollywood
Chimney & Air Duct
NADCA-Certified  ·  Full System, Not Just Ducts

HVAC Cleaning Los Feliz, CA

HVAC cleaning for Los Feliz — century-old houses with retrofitted systems, architecturally significant properties needing a careful hand, and the Griffith Park pollen load that drives it all.

✓ NADCA-Certified Technicians ✓ ACR Standard Compliance ✓ Negative Pressure Containment ✓ Before and After Photos ✓ 5.0/5 — 10 reviews
NADCA-Certified
ACR standard
Negative Pressure
Containment, not just brushing
Before/After Photos
Of every trunk line
Licensed & Insured
LA County
Direct Answer — Los Feliz HVAC Cleaning Pricing

Full HVAC system cleaning in Los Feliz starts at $299, covering supply and return ducts, the evaporator coil, the blower wheel and the air handler. Duct-only cleaning is from $249. Every job includes negative pressure containment and before-and-after photographs. Call Dans Hollywood Chimney & Air Duct Cleaning at (818) 536-7759.

BEST VALUE
Full HVAC System Cleaning From $299

Supply, return, coil, blower and air handler

Standard Air Duct Cleaning From $249

Supply and return ducts, registers included

Large or Multi-Zone System From $399

Two or more zones, or over 2,500 sq ft

Evaporator Coil Deep Clean From $179

Where the coil is fouled enough to cut airflow

Blower & Air Handler Service From $149

Fan wheel, housing and cabinet

Sanitizing Treatment From $99

EPA-registered, after mould or rodent findings

Griffith Park Is Why Los Feliz Systems Need Cleaning Most

Four thousand acres of chaparral, oak and sycamore sit directly uphill from Los Feliz, and your HVAC system is downwind of all of it. The seasonal load that comes off Griffith Park is heavier and lasts longer than anything the Valley flats deal with: oak pollen in spring, chaparral and grass pollen through early summer, fine dust and plant debris in the dry months, and ash whenever there is fire activity in the park. All of it ends up in return air.

Pollen is a particular problem for a cooling system because of where it settles. It is fine enough to pass most residential filters and it is slightly tacky, so rather than passing straight through it adheres — and the surface it adheres to most readily is the evaporator coil, whose fins are closely spaced and frequently damp with condensate when the system is cooling. Pollen on a wet coil is a mat that restricts airflow and provides a growth medium at the same time.

Which is why in Los Feliz the coil matters more than the ducts, and why we would rather sell you the full-system service than duct-only cleaning. A duct-only clean on a Los Feliz house leaves the component that is actually restricting your airflow exactly as it was. The coil deep clean is included in the $299 full service and is from $179 on its own if that is genuinely all that is needed.

The housing stock adds its own factor. The 1910s and 1920s Craftsman and Mediterranean houses here were built without ducted air, so every system is a retrofit running through attics, chases and crawlspaces. And Los Feliz has an unusual density of architecturally significant houses — Wright, Neutra and Schindler all built in these hills — where ductwork was threaded into spaces that were never meant to carry it and where we work carefully and slowly. Call (818) 536-7759.

What a Full HVAC Cleaning Includes in Los Feliz

There is a real difference between duct cleaning and HVAC system cleaning, and the difference is where most of the airflow is actually being lost. This is what the full-system service covers.

1

Supply and Return Ducts, Cleaned the Full Run

Every supply branch and every return is cleaned end to end with rotating brush and air-whip tools sized to the duct, not just vacuumed at the register. The difference matters: vacuuming a register pulls the dust you can see and leaves the loading further down the run, which then migrates back out within weeks. Return ducts are usually the dirtier side and the more often skipped, because they are harder to reach. We clean both sides and photograph each trunk line before and after so you can see the state it was actually in.

Both sides, full run — photographed
2

Evaporator Coil and Air Handler

This is the part most duct-cleaning quotes leave out, and it is frequently where the real restriction is. The evaporator coil sits in the air handler and its fins are closely spaced by design, so it acts as a filter whether you want it to or not. A fouled coil cuts airflow across the whole system, raises running cost, and in humid conditions becomes a damp surface where biological growth establishes. Cleaning it properly means accessing the cabinet and treating the coil, not spraying through a register and hoping.

The part most quotes omit
3

Blower Wheel, Housing and Cabinet

The blower wheel is a squirrel-cage fan, and dust builds up on the leading edge of each blade. As it accumulates the blade profile changes, the fan moves less air for the same power draw, and the imbalance eventually tells on the motor bearings. A heavily loaded blower wheel is one of the most common reasons a system that was adequate now struggles, and cleaning it restores airflow immediately and measurably. The housing and the interior of the cabinet are cleaned at the same time, because leaving them loaded just re-contaminates the wheel.

Restores airflow immediately
4

Registers, Grilles and Boots

Every supply register and return grille is removed, washed and refitted, and the boot — the sheet metal box behind the register where the duct meets the room — is cleaned out. Boots collect the heaviest debris in the whole system because they are the low point of each run and because anything dropped through a floor register ends up there. We find a remarkable amount in them. Refitting a clean register to a loaded boot is one of the clearest signs of a system that was cleaned for appearance rather than function.

Including the boot behind each one

Working in Architecturally Significant Houses

A meaningful share of our Los Feliz work is in houses where the building itself is the point, and that changes how we work rather than what we charge. Original plaster, period tile, built-in cabinetry and designed sightlines are all things that a careless duct-cleaning crew can damage in ways that are expensive or impossible to put right. We take registers off carefully, we protect surfaces properly, and we do not drill access ports anywhere visible without discussing it with you first.

On the modernist houses the ductwork is frequently the hardest part of the job, because in a flat-roofed house with no attic the runs were threaded into soffits, furred chases and sometimes the structure itself. Access is limited and in some cases the only honest answer is that part of a run cannot be mechanically cleaned without opening up finishes. Where that is the case we say so and tell you what we can and cannot reach, rather than claiming a full clean we did not deliver.

For the century-old Craftsman houses the main thing we watch is the condition of what we are cleaning. Retrofitted flex duct that has been running through a hot attic for thirty years may be at the end of its life, and agitating a brittle duct can finish it off. We assess that first and tell you if a run needs replacing rather than cleaning — it is a less profitable conversation for us and it is the right one.

Signs Your Los Feliz HVAC System Needs Cleaning

Most of these are gradual, which is why they get normalised. If two or more apply, the system is almost certainly carrying enough loading to be costing you in airflow.

Allergy symptoms that get worse when the system is running rather than better, the signature of pollen loaded onto the coil and ducts
A noticeable drop in cooling performance after the spring pollen season, which usually means the evaporator coil has matted over
Fine yellow-green dust at the return grille or on surfaces near supply registers in spring
A musty smell when the system cycles on, from biological growth on a coil that has been damp and pollen-loaded
Ash or fine grit at the registers after fire activity in Griffith Park
Weak airflow in rooms at the end of a retrofitted run in a 1910s or 1920s house, where the ductwork was threaded wherever it would fit

Our Process — NADCA ACR Standard

The NADCA ACR standard is what separates a system that has been cleaned from one that has been disturbed. Every job follows these five stages.

1

System assessment and duct inspection

We identify the system type, locate every trunk and branch, and camera-inspect inside the ductwork before touching anything. You see what is in there first, which also establishes the scope honestly rather than after the fact.

2

Negative pressure containment

A HEPA-filtered negative air machine is connected to the trunk line so the whole system is held under negative pressure during cleaning. This is the part that distinguishes NADCA-standard work: dislodged debris goes into the machine rather than into the rooms.

3

Mechanical agitation of every run

Rotating brushes and compressed-air whips sized to each duct dislodge the adhered loading that a vacuum alone will not lift. Supply and return, every branch, the full length of the run.

4

Air handler, coil and blower

The cabinet is opened, the blower wheel and housing cleaned, and the evaporator coil treated. This is where airflow is most often being lost and it is done as part of the full-system service.

5

Registers, verification and photos

Registers and grilles washed and refitted, boots cleared, then airflow verified at each register and the before-and-after photo set handed over. The filter is replaced if you have one on site.

HVAC Cleaning Los Feliz — Frequently Asked Questions

Full HVAC system cleaning in Los Feliz starts at $299, covering supply and return ducts, the evaporator coil, the blower wheel and the air handler. Duct-only cleaning is from $249, though in Los Feliz we usually recommend against it — the coil is typically where the restriction actually is. Coil deep cleaning on its own is from $179. Large or multi-zone systems are from $399. Architecturally significant houses sometimes take longer because of access and the care required, which we reflect in the quote up front. Call (818) 536-7759.
Substantially, and it is the main reason Los Feliz systems need attention. Four thousand acres of chaparral, oak and sycamore sit directly uphill, producing a heavier and longer pollen season than the Valley flats see: oak pollen in spring, chaparral and grass through early summer, fine dust in the dry months, ash during fire activity. Pollen is fine enough to pass most residential filters and slightly tacky, so it adheres rather than passing through — and the surface it adheres to best is the evaporator coil, whose fins are closely spaced and damp with condensate when cooling. Pollen on a wet coil restricts airflow and provides a growth medium.
Because in Los Feliz the coil is usually the component actually restricting your airflow, and a duct-only clean leaves it untouched. The evaporator coil sits in the air handler with closely spaced fins, and when it is damp with condensate it catches the fine tacky pollen that Griffith Park produces in volume. Once matted, it cuts airflow across the whole system, raises running cost, and becomes a damp surface where biological growth establishes — which is where the musty smell comes from. The coil is included in the $299 full-system service, or from $179 on its own.
Yes, and it changes how we work rather than what we charge. A meaningful share of our Los Feliz work is in houses where the building itself is the point — Wright, Neutra and Schindler all built in these hills. Original plaster, period tile, built-in cabinetry and designed sightlines are all things a careless crew can damage irreversibly. We remove registers carefully, protect surfaces properly, and will not drill an access port anywhere visible without discussing it with you first. If part of a run cannot be reached without opening finishes, we tell you rather than claiming a clean we did not deliver.
That is a strong indicator that the system itself has become a pollen reservoir. If the evaporator coil and the ductwork are loaded with the fine oak and chaparral pollen that comes off Griffith Park, then every time the system cycles it re-aerosolises some of that load into your rooms. The system is meant to filter the air and instead it is dosing it. A full-system clean including the coil addresses the reservoir, and getting the filter rating right for your system keeps it from rebuilding as fast. This is one of the most common reasons people in Los Feliz call us.
It depends on its condition and we assess that before starting. Retrofitted flex duct that has been running through a hot Los Feliz attic for thirty years may genuinely be at the end of its life — the inner liner goes brittle and the insulation delaminates — and mechanically agitating a brittle duct can finish it off. Where we find that, we tell you the run needs replacing rather than cleaning. It is a less profitable conversation for us than simply cleaning it and leaving, and it is the honest one. Cleaning a duct that is shedding its own liner achieves nothing.
Yes, all of Los Feliz including the Franklin Hills, Vermont Canyon, the streets climbing toward the observatory, Los Feliz Boulevard and the flats toward Hillhurst and Vermont Avenue. No travel fee from our shop at 6330 Camellia Ave in North Hollywood. Hillside properties often have the air handler in a crawlspace or attic that affects access and job length, and we factor that into the quote rather than adding it afterwards. Call (818) 536-7759.
Every two to three years for most households, which is more frequent than we would suggest in a lower-pollen part of the city, and the driver is Griffith Park. If anyone in the house has significant allergies or asthma, annually is worth it. If the system has not been done since the house was bought and the house is more than a few years into your ownership, start with a full-system clean including the coil and then settle into a cycle. We will tell you what we find and give you an honest interval rather than a sales schedule.
Serving Los Feliz, CA

Schedule HVAC Cleaning in Los Feliz

NADCA-certified technicians, negative pressure containment, the coil and blower included rather than extra, and photographs of every trunk line. Serving Los Feliz and the greater San Fernando Valley from 6330 Camellia Ave, North Hollywood, CA 91606.

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Dan serves all nearby communities — NADCA-certified, same-day availability.

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