Residential Duct Cleaning in Denver, CO

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

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Before & after – our own jobs

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Residential Duct Cleaning in Denver, CO

Residential duct cleaning in Denver typically runs between $280 and $650 for a single-family home, takes three to five hours, and leaves you with a documented photo record of every duct run – before the crew arrived and after they left. That written record is part of every CleanRun job, not an add-on, because a before photo is the only honest way to prove something actually changed.

If you’ve been quoted $79 for a “whole-house” cleaning, the short explanation is this: that price buys a shop vac and a salesman. What it doesn’t buy is negative-pressure extraction – the process of putting the duct system under a sustained vacuum draw so that debris moves toward the collection unit rather than back into your living space. That distinction matters in Denver homes, where a combination of dry air, older duct insulation, and significant temperature swings between seasons means particulate accumulates in ways that a quick pass won’t address.

CleanRun Duct Repair & Cleaning has been doing this work in Denver since 2013, and Tomas Reyes built the company on one operating rule: the written price comes before any panel comes off the wall. That’s Haven Standard Clause 1, and it applies to every job – residential or commercial, straightforward or complicated. For an overview of everything we cover under the broader service category, visit our Air Duct Cleaning in Denver page.

To get a written price for your home, call us at (720) 799-2292. A live person answers every call.

When You Need Residential Duct Cleaning

Most Denver homeowners don’t know the inside of their duct system until something forces the question. Here are the situations we see most often – and what’s usually behind them.

• You’re noticing visible dust on registers within days of cleaning them. This is the most common complaint we hear from homeowners in older Capitol Hill and Washington Park houses. When register covers coat with dust quickly, it usually means the supply plenum – the main distribution box connected to your air handler – has accumulated enough debris that every heat cycle is redistributing it. A camera inspection at the plenum typically shows exactly that.
• Someone in the household has developed respiratory symptoms that worsen indoors. Denver’s altitude and dry climate already stress the respiratory system. When a duct system hasn’t been cleaned in five or more years, the particulate load inside it – dead skin cells, dander, pollen, and in some cases mold spores from summer humidity events – becomes measurable. We don’t make medical claims, but we do photograph what’s in the duct runs so you can make an informed decision.
• You’ve recently finished a renovation. Drywall dust is fine enough to pass through most return filters, and it settles into duct runs fast. We see this regularly in Denver’s Baker and Sunnyside neighborhoods, where older homes are being renovated and the ductwork isn’t sealed off during demo. A single drywall job can deposit a visible gray layer across every horizontal run in the system.
• Your energy bills have climbed without a change in usage. Debris buildup on the evaporator coil – the component that sits at the air handler and conditions air before it enters the ducts – reduces heat transfer efficiency. We inspect and document the coil as part of every residential job. If it’s coated, the system is working harder than it needs to.
• You bought the home and have no service history for the HVAC system. This is especially relevant in Denver’s current market, where homes built between 1960 and 1990 in neighborhoods like Montbello and Harvey Park trade frequently. When there’s no documentation of prior duct cleaning, our before photos serve as the baseline record going forward.
• There’s a pet in the home and a forced-air system. Pet dander is lighter than most particulate and stays airborne longer. In homes with one or more dogs or cats and no duct cleaning in the last three years, the return side of the system – the network that pulls air back to the handler – often shows a visible felt-like buildup at every elbow. The camera doesn’t lie about this, and neither does the before photo.

Our Residential Duct Cleaning Process

Every CleanRun residential job in Denver follows the same documented sequence. Nothing is skipped to save time, and the written price you receive before we start accounts for the full scope below.

1. System Assessment and Photo Documentation (Before)

   Before any equipment comes off the truck, the technician does a walk-through of the home to map the duct system: number of supply registers, return registers, trunk lines, duct material (flex, sheet metal, fiberboard), and approximate age of the air handler. Every accessible duct run is then inspected with a camera during our Video Inspection, and images are captured at the first elbow, mid-run, and at the register boot. These are the “before” photos that go into your job record. If we find something unexpected – a collapsed flex run, evidence of rodent entry, or a prior repair that didn’t hold – you see the photo before we discuss what to do about it. No surprises after the fact.

2. Written Price Delivered Before Work Starts

   Once the assessment is complete, the technician writes the price. That number covers labor, equipment time, and any materials needed for the scope we’ve agreed on. Under Haven Standard Clause 1, no work begins until you have that price in writing and have signed off on it. This is not a formality – it’s the mechanism that keeps the job honest from the start.

3. Negative-Pressure Extraction Setup

   We connect a Nikro or Rotobrush collection unit to the main trunk line or plenum during Air Duct Cleaning, creating a sustained negative-pressure draw across the system. “Negative pressure” means the air handler cavity and duct network are operating below ambient air pressure, so when debris is agitated, it moves toward the collection unit rather than out into the room. This is the step that distinguishes professional duct cleaning from a shop-vac visit. The unit stays under negative pressure for the full cleaning sequence.

4. Mechanical Agitation of Each Duct Run

   Each supply and return run is cleaned individually using rotary brush equipment. The brush head travels the full length of the run, dislodging debris that has bonded to the duct wall – particularly in older sheet-metal systems where the interior surface develops a micro-texture over time that holds particulate. Flex duct runs require a different technique to avoid tearing the inner liner; our technicians differentiate the approach based on duct type, not a one-size setup.

5. Air Handler, Plenum, and Coil Inspection

   The plenum – the transition box between the air handler and the main duct branches – collects the heaviest debris load in most systems. We clean and photograph it as a discrete step. The evaporator coil is inspected for buildup; if cleaning is within scope, it’s documented. For homes with Honeywell or Aprilaire media filtration systems installed upstream of the plenum, we inspect the filter housing and note the filter condition in the job record.

6. Post-Cleaning Photo Documentation and Job Record Delivery

   After every run is cleaned, the camera goes back in for after photos at the same inspection points used at the start. The before-and-after comparison is compiled into a job record that is delivered to you – not held on file, not available upon request, delivered as a standard part of the job. The 365-Day Done Right Promise backs the work from the day the truck leaves: if something isn’t right within 365 days, we make it right, in writing, without a manager approval process.

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Residential Duct Cleaning Pricing in Denver

Residential duct cleaning in Denver costs between $280 and $650 for most single-family homes, with the majority of standard jobs falling in the $320-$480 range. Every price is written before work starts – no price exists at CleanRun that isn’t committed to paper first.

What moves the price in Denver homes specifically

• Duct material: Older homes in North Denver and Globeville often have original sheet-metal trunk lines with deteriorating mastic sealing at the joints. This takes more agitation time and typically adds to the scope.
• Number of systems: A two-story Denver home built after 2000 usually has two air handlers – one per floor. Each system is quoted and cleaned as a discrete unit.
• Renovation debris: If the home has had recent construction, the duct runs may hold drywall dust, insulation fiber, or construction particulate that requires additional passes. The before photos will show this clearly, and the price will reflect it.
• Access difficulty: Crawl-space duct runs or attic-mounted systems in bungalows common to Berkeley and Whittier add technician time. This is assessed at the walk-through and quoted before anything starts.
• Coil cleaning: If the evaporator coil needs cleaning beyond inspection, that scope and price are presented separately after the assessment.

If you have a written estimate from another company, bring it. CleanRun puts its own written price next to it at no charge – that’s the Free Second Opinion, available on any written competitor quote. Call (720) 799-2292 to schedule an assessment and receive your written price.

FAQs – Residential Duct Cleaning

How often should I have my ducts cleaned in a Denver home?

Most Denver homes benefit from residential duct cleaning every three to five years under normal conditions. The dry climate and high particulate days that Denver regularly sees – particularly during wildfire smoke events in late summer – push that toward the three-year end for homes with forced-air systems running most of the year. Homes with pets, recent renovation work, or a household member with documented respiratory conditions typically need cleaning more frequently. The before photos from your first CleanRun job give you a documented baseline, so future decisions aren’t based on a guess. Call (720) 799-2292 for a written assessment of where your system stands.

What’s actually inside the ducts of a typical Denver home?

In a home that hasn’t been cleaned in five or more years, the camera typically shows accumulated dust and debris at the elbows and in low-slope horizontal runs, occasional insulation fiber if the duct liner has degraded, dander buildup on the return side near the air handler, and in some basements we’ve worked in across Athmar Park and Villa Park, evidence of past moisture intrusion at older mastic joints. What’s not typical in well-maintained systems: mold colonies or rodent activity. When we do find either, the before photo is shown to the homeowner immediately, and next steps are discussed before any work proceeds.

Is residential duct cleaning worth it, or is it a scam?

Residential duct cleaning is worth it when it’s done correctly and documented – and it is frequently sold as a scam when neither of those conditions is met. A $79 coupon that delivers a truck-mounted vacuum connected to one register and a technician who spends 45 minutes in the home is not duct cleaning. Documented negative-pressure extraction of every run, photographed before and after, performed by a background-checked technician using professional-grade equipment, at a price that was written before the job started – that’s a defensible service. CleanRun has delivered that record on every job since 2013, across more than 52,000 homes. The difference between the two is visible in the before-and-after photos, which you’ll receive regardless of what we find.

Will duct cleaning reduce dust in my home?

Residential duct cleaning reduces the particulate load circulating through your forced-air system, which typically means less dust settling on surfaces in the weeks following a cleaning. It is not a permanent fix – every forced-air system will accumulate debris over time, and filter quality and replacement frequency matter significantly. What changes after a proper cleaning is the baseline: the system is no longer redistributing years of settled debris every time the blower runs. Homeowners in homes with Aprilaire or Honeywell whole-home filtration often report the longest intervals between noticeable dust recurrence, because higher-efficiency filtration upstream reduces the rate of new accumulation in the duct runs. For an understanding of the full scope of services that affect indoor air quality, our home page covers the complete range of what CleanRun offers.

CleanRun Duct Repair & Cleaning has served Denver homeowners since 2013 – over 52,000 jobs, every one with a written price before the work started and a photo record when the crew left. Tomas Reyes built the company on that standard because it’s the only version of this service that a homeowner can actually verify. The 365-Day Done Right Promise backs every residential duct cleaning job in writing: if the work isn’t right, we make it right.

To get a written price for your Denver home, call (720) 799-2292. A live person answers every call, and your estimate is free.

Written by Tomas Reyes, Owner at CleanRun Air Duct Cleaning Denver, serving Denver.