Whole-system duct and dryer vent check with before-and-after photos - you see exactly what came out of your vents
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.
Air Duct Cleaning in Silver Spring, MD
Complete HVAC cleaning in Silver Spring typically runs $450-$850 for a whole-home system and includes evaporator coil, blower, and ductwork treatment. The 1940s-1960s housing stock here - Cape Cods and brick colonials retrofitted with central air in the 1970s and ’80s - creates duct layouts that trap debris in ways newer homes don’t. We dispatch crews from our Washington, DC office and serve Silver Spring homeowners with written prices before any work starts and a Documented Photo Record of every duct run when we leave. Call (240) 318-7712 for a free estimate.
Why Silver Spring Homes Are Different
Silver Spring’s dominant housing stock was built for oil heat, not forced air. The postwar neighborhoods of Woodside, North Woodside, Woodside Park, and Four Corners went up between 1945 and 1965 with boilers or radiators, and central air was retrofitted decades later. That means flex duct crammed through knee-wall attics and converted crawlspaces - sharp bends, crimped runs, and low spots where condensation pools.
The humid-subtropical climate here pushes summer dew points above 70°F, so those sagging flex-duct low points become standing-water traps. On the western edge, Rock Creek Park’s mature canopy drives some of the highest pollen loads in the DC suburbs, accelerating debris buildup in return-air grilles each spring. Downtown and the East-West Highway corridor add 1960s-1970s garden apartments with aging shared-plenum systems that affect multiple units. These aren’t generic conditions - they change what equipment we bring and what we expect to find.
Our Main Silver Spring Services
Most Silver Spring homeowners who call us start with one of these three services:
Air Duct Cleaning in Silver Spring
We clean the full duct network - supply and return runs, trunk lines, and registers - using negative-pressure extraction with Rotobrush agitation. In Woodside-area retrofits, we often find flex duct that has sagged at mid-run low points, creating debris traps that standard equipment can’t reach without tearing the liner. Every job ends with a Documented Photo Record of every run, before and after. Air Duct Cleaning in Silver Spring is priced by the whole system, not per vent.

Dryer Vent Cleaning in Silver Spring
Dryer vent blockages are a leading cause of house fires in Montgomery County. We clear the full run from appliance to exterior termination, measuring airflow before and after. Many Silver Spring colonials have vent runs through finished walls that exceed 25 feet, with multiple elbows that trap lint in ways straight runs don’t. Dryer Vent Cleaning in Silver Spring includes a written airflow report.

Duct Repair & Sealing in Silver Spring
Retrofit ductwork in older Silver Spring homes fails at seams, elbows, and connection points. We seal leaks with mastic and metal-backed tape, replace collapsed flex sections, and repair damaged plenums. In homes where the original 1970s flex liner has degraded, we replace with modern insulated duct rated for the local humidity load. Duct Repair & Sealing in Silver Spring jobs start with a written scope and price.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
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AfterHVAC Cleaning in Silver Spring

Silver Spring’s retrofitted HVAC systems run harder and longer than purpose-built forced-air setups because the ductwork was designed around available space, not airflow engineering. That strain concentrates debris on the evaporator coil and blower assembly, reducing efficiency and circulating particles through living spaces. HVAC Cleaning addresses the components that standard duct cleaning doesn’t reach.
Evaporator Coil Cleaning
Signs you need it
Ice buildup on refrigerant lines, weak airflow from registers, or cooling that can’t keep up on humid July afternoons in Silver Spring.
What it costs in Silver Spring
Evaporator coil cleaning in Silver Spring typically runs $280-$450.
How we do it
We access the coil through the plenum - the main air distribution box - apply foaming cleaner, rinse with low-pressure water, and photograph the fins before and after.
Blower Cleaning
Signs you need it
Vibration or noise from the air handler, uneven heating or cooling between rooms, or dust blowing from registers immediately after filter changes.
What it costs in Silver Spring
Blower assembly cleaning in Silver Spring typically runs $220-$380.
How we do it
We remove the blower wheel and motor, clean each vane with compressed air and solvent, balance the assembly, and document runout with a photo.
What HVAC Cleaning Costs in Silver Spring
| Item | Typical range in Silver Spring |
|---|---|
| Evaporator coil cleaning | $280-$450 |
| Blower assembly cleaning | $220-$380 |
| Full HVAC system cleaning (coil + blower + ducts) | $650-$950 |
How do I know my HVAC components are actually dirty?
We show you. Every HVAC cleaning in Silver Spring includes a Documented Photo Record of the coil and blower before any cleaning agent is applied, with a second photo after. Haven Standard Clause 1 requires the written price and the photo record on every job.
Can HVAC cleaning fix uneven temperatures between rooms?
It helps when the cause is restricted airflow from a debris-coated coil or unbalanced blower. If duct leakage or design is the root problem, we’ll note that in writing and discuss Duct Repair & Sealing in Silver Spring as a separate scope. Call (240) 318-7712 for an exact quote - estimates are free.
Air Quality & Sanitizing in Silver Spring

Silver Spring’s humidity and pollen load create conditions where biological growth in ductwork is a genuine issue, not a sales pitch. The standing water we find in sagging flex-duct retrofits - particularly in Woodside and Four Corners - supports mold colonies that standard cleaning doesn’t address. Air Quality & Sanitizing treats the biological contamination that mechanical removal leaves behind.
Mold Treatment
Signs you need it
Musty odor when the system runs, visible growth around registers, or persistent respiratory symptoms that worsen at home during humid months.
What it costs in Silver Spring
Mold treatment for ductwork in Silver Spring typically runs $350-$650 depending on affected linear footage.
How we do it
We apply an EPA-registered fungistat to all interior duct surfaces using Abatement Technologies fogging equipment, with dwell time documented by photo timestamp.
UV Light Installation
Signs you need it
Recurring mold after professional cleaning, or a system located in a damp crawlspace or basement common to Silver Spring’s older homes.
What it costs in Silver Spring
UV-C light installation in Silver Spring typically runs $400-$750 including the lamp, housing, and electrical connection.
How we do it
We mount a Guardsman UV-C lamp downstream of the evaporator coil, wire to the blower circuit for automatic operation, and provide the bulb replacement schedule in writing.
What Air Quality & Sanitizing Costs in Silver Spring
| Item | Typical range in Silver Spring |
|---|---|
| Mold treatment (ductwork) | $350-$650 |
| UV-C light installation | $400-$750 |
| Combined sanitizing package (mold treatment + UV) | $650-$1,100 |
Is mold in ducts really a health problem or just an upsell?
In Silver Spring’s humid climate with retrofitted flex duct, yes - we’ve photographed active colonies in standing water at sag points invisible from either end. The photo record shows you what we found, not what we claim. Call (240) 318-7712 for an inspection and exact quote - estimates are free.
How long does UV light take to work?
Surface mold on the coil and nearby ductwork stops spreading within 48-72 hours of installation; the lamp runs continuously when the blower operates. We use Guardsman lamps with a 9,000-hour rated life and include the replacement schedule in your job record.
Brands We Service in Silver Spring
We stock parts and service equipment from Honeywell, Aprilaire, and Abatement Technologies, with most common filters, UV lamps, and sanitizer concentrates available without ordering delay. For a full list of brands and models, see our brands page.
Pricing for Air Duct Cleaning in Silver Spring, MD

| Service | Typical range in Silver Spring |
|---|---|
| Whole-home air duct cleaning | $350-$650 |
| Dryer vent cleaning | $150-$280 |
| Evaporator coil cleaning | $280-$450 |
| Blower assembly cleaning | $220-$380 |
| Full HVAC system cleaning | $650-$950 |
| Duct repair & sealing (per system) | $400-$900 |
| Mold treatment (ductwork) | $350-$650 |
| UV-C light installation | $400-$750 |
| Combined air quality package | $650-$1,100 |
Prices increase in Silver Spring when we encounter collapsed flex duct, standing water requiring pump-out, or access limited by finished basement ceilings - we note these conditions in writing before work starts, and the price you approve is the price you pay. Haven Standard Clause 1: no exceptions, no surprises.
Neighborhoods We Serve in Silver Spring
We work across Silver Spring’s full range of housing eras and types, from postwar retrofits to downtown condos. Most appointments are scheduled within a few business days, with dispatch coordinated from our Washington, DC office.
- Woodside / North Woodside / Woodside Park
- Four Corners
- Downtown Silver Spring
- East-West Highway corridor
- Sligo Creek
Service Area - Cities Near Silver Spring

CleanRun crews serve the full Montgomery County and Prince George’s County corridor from our Washington, DC office. We regularly schedule jobs in Bethesda, MD, Rockville, MD, Bowie, MD, and Waldorf, MD, with the same written-price and photo-record standard on every visit.
Serving Silver Spring, MD - Our Local Coverage Area
We’re based in the Silver Spring area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Air Duct Cleaning in Silver Spring

Standard residential duct cleaning and HVAC component cleaning don’t require permits in Montgomery County. Duct repair or modification that alters the building’s structural elements may need a permit; we note this in writing if your scope requires it, and we handle the filing as part of the job record.
Most Silver Spring homeowners receive an appointment within 3-5 business days of calling. We don’t promise same-day dispatch - duct cleaning is a scheduled job, and we allocate sufficient time to complete the full scope and documentation without rushing. Call (240) 318-7712 to check current availability.
Yes. For downtown Silver Spring condos and garden apartments with shared systems, we coordinate access with building management and provide a written scope that satisfies most HOA maintenance documentation requirements. We carry general liability and workers’ compensation certificates on request.
What happens when you call
- 1A real person answersNo phone trees - talk to a local air duct cleaning pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Silver Spring Customers Say
"The before and after photographs of each run are the reason I used them. You cannot argue with what came out of the return."
- Marguerite O."My allergies genuinely improved. They also told me the ducts did not need sealing, which I had been quoted for elsewhere."
- Petra K."Flat price agreed up front, no per-vent add-ons at the end. That was the whole reason I did not call the coupon company."
- Suzanne B.




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