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 Company in Merion Station, PA
Air duct cleaning in Merion Station runs $450 – $850 for a whole-home system, with most jobs landing in the $550 – $700 range depending on home size and duct condition. We’re Hollis Air Duct Cleaning, and we handle the pre-war stone and stucco estates that define this Main Line community – homes where the ductwork tells a story no suburban ranch can match. Call us at (361) 326-5060 for a free written estimate before any work begins.
Why Merion Station Homes Are Different
Merion Station sits on the Pennsylvania Main Line, and its housing stock reads like an architectural timeline: grand stone and stucco estates built between the 1890s and 1930s, with mid-century splits filling the gaps. These homes were designed for coal-fired gravity heat, not forced air. When homeowners later retrofitted for central heating and cooling, contractors threaded new ductwork through existing chases, plaster walls, and irregular cavities never meant to carry conditioned air.
The result is a patchwork of hand-fabricated rectangular trunk lines, boot-leg branches, and transitions that flex duct simply cannot reach. In many Merion Station homes, the original coal bin and chimney flue were never fully sealed after conversion to oil and then gas. Ducts pull in residual coal ash and chimney soot that standard residential cleaning trucks leave behind. Southeastern Pennsylvania’s humid summers and freeze-thaw winters compound the problem: unlined or minimally insulated pre-war ducts collect condensation, mold spores, and fine soot that goes airborne when heat first kicks on in October. This is preservation-adjacent work, not a routine maintenance call.
Our Main Merion Station Services
Most Merion Station homeowners reach out for one of three jobs, each handled with The Garrison Standard: written price first, background-checked uniformed technicians, and our 365-Day Done Right Promise on every visit.
Air Duct Cleaning in Merion Station
We clean the full supply and return system using Rotobrush rotary brush systems and Nikro negative-air machines to dislodge and extract debris from irregular, hand-built chases. In Merion Station, that often means navigating plaster-wall returns and coal-era accumulation that standard brushes cannot touch. We photograph the before condition and show you the after. Air Duct Cleaning in Merion Station is priced as one flat fee per system, agreed before we start.

Dryer Vent Cleaning in Merion Station
Dryer vents in older Main Line homes frequently run through masonry walls or extended vertical chases with multiple turns, creating lint traps that short vent brushes miss. We use professional-grade rotary tools and camera inspection to verify full clearance. Blocked dryer vents are a genuine fire hazard; we do not recommend DIY attempts on these runs. Dryer Vent Cleaning in Merion Station includes written documentation of airflow improvement.

Duct Sealing in Merion Station
Pre-war ductwork in Merion Station leaks at every hand-formed joint and boot-leg branch, bleeding conditioned air into wall cavities and unfinished basements. We apply duct sealing mastic and mechanical fasteners to restore pressure balance, using Aprilaire and Guardsman filtration-compatible methods. Sealing is often the most cost-effective upgrade for these homes. Duct Sealing in Merion Station carries the same written 365-day guarantee.

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.
Brands We Service in Merion Station
We stock parts and filtration products from Honeywell, Aprilaire, Abatement Technologies, and Guardsman, with Rotobrush and Nikro equipment on every truck. Most replacement items are available same-day; specialized pre-war fittings typically ship within 24 – 48 hours. See our brands for full specifications.
Pricing for Air Duct Cleaning Company in Merion Station, PA
| Service | Typical range in Merion Station |
|---|---|
| Whole-home air duct cleaning (small system, 1 – 2 zones) | $450 – $550 |
| Whole-home air duct cleaning (medium system, 3 – 4 zones) | $550 – $700 |
| Whole-home air duct cleaning (large estate, 5+ zones) | $700 – $850 |
| Coal-era debris remediation (heavy soot/ash accumulation) | $150 – $300 add-on |
| Plaster-chase access and restoration | $100 – $200 add-on |
| Dryer vent cleaning (standard run) | $120 – $180 |
| Dryer vent cleaning (extended vertical/masonry chase) | $180 – $260 |
| Duct sealing (partial system, main trunk lines) | $400 – $600 |
| Duct sealing (full system, including branches) | $800 – $1,400 |
| Camera inspection with written report | $150 – $250 |
Three factors push Merion Station jobs toward the higher end: extensive coal-era debris requiring repeated pass-throughs, plaster-wall access that demands careful cutting and restoration, and oversized estate systems with five or more zones. The price we write down before work starts is the price you pay. No per-vent add-ons, no equipment surcharges, no surprises at the door.
Neighborhoods We Serve in Merion Station
We work throughout Merion Station’s residential core, from the estate-lined streets near Merion Golf Club to the mid-century pockets closer to City Avenue. Dispatch and scheduling are coordinated from our Philadelphia office; crews arrive inside the quoted window.
- Merion Golf Club area
- Old Merion (pre-war estate district)
- City Avenue corridor
- North Merion (mid-century splits)
- Merion Botanical Park vicinity
Service Area – Cities Near Merion Station
Our crews cover the full Main Line corridor and adjacent communities. We regularly schedule alongside Merion Station jobs in Bala Cynwyd, PA, Narberth, PA, Ardmore, PA, and Bryn Mawr, PA. Routing multiple appointments in the same area keeps our travel time down and your appointment windows reliable.
Serving Merion Station, PA - Our Local Coverage Area
We’re based in the Merion Station 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 Company in Merion Station
No permit is required for standard duct cleaning or dryer vent cleaning in Lower Merion Township. Duct sealing that involves structural modification may require township approval; we handle the paperwork and inspection scheduling if needed. Call (361) 326-5060 and we’ll verify your specific situation.
We coordinate with you beforehand for truck placement and equipment staging. Our technicians arrive in marked vehicles with photo ID and background-check verification already shared by email. For gated or staff-managed properties, we follow your access protocol exactly.
Yes. We’ve cleaned ducts in Merion Station homes under active historical review, including properties with interior plasterwork restrictions. Our methods minimize invasive access; when cutting is unavoidable, we document placement and match restoration to existing finishes. We provide written scope and photo documentation for any review board submission.
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 Merion Station Customers Say
"No sales pitch. Told me which parts of the system were fine and only cleaned what needed it."
- Ted L."They checked each section with a camera and showed me the dust before and after. Thorough and honest."
- Nicole H."Duct sealing along with the cleaning cut our summer bill. Straight talk and fair price."
- Gwen O.




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