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.
Fast, Reliable HVAC Cleaning Across Middletown
HVAC cleaning in Middletown, CT typically runs $380 to $940 for a full system clean, and most jobs are scheduled within 5 to 7 business days. The cost depends on what we find once the panels come off: an older air handler pulling river-valley humidity will take longer than a newer unit that’s been maintained. If your house sits near the west side of Main Street or up toward Wesleyan, you may have decades of accumulation inside your duct runs that no filter has ever caught. We schedule our HVAC Cleaning work carefully because a proper job is a full-day event, not a two-hour pass-through. Call us at (806) 606-6902 and we’ll give you a written price before anything is opened.
Why CleanRun Air Duct Cleaning Is Middletown’s Preferred HVAC Cleaning Company
We are not the largest outfit in Middlesex County, and that’s by design. CleanRun was founded in 2013 by Tomas Reyes, who still runs the crews and still reviews every photo record that comes back from a job. Middletown homeowners call us because we put a written price in front of them before a single panel comes off, and because when we’re done, they receive a documented photo record of every duct run we touched. That’s Haven Standard Clause 1: written price before any work, on every job, no exceptions. When a crew pulls up on Washington Street or out near South Farms Road, the homeowner knows the technician by name before they arrive, and that technician is background-checked, uniformed, and carrying professional-grade equipment from Rotobrush, Nikro, and Honeywell.
We’ve heard the stories from Middletown residents who hired a cheap online coupon special and got a shop-vac wave-through that took photos of nothing and cleaned less. That is not what we do. Our Middletown work is documented the same way as every other job we’ve done since 2013, over 52,000 homes served. The 365-Day Done Right Promise is written into every invoice: if the work isn’t right, we come back and make it right. Not subject to manager approval. Not a phone tree. A written guarantee.
Our HVAC Cleaning Services in Middletown

HVAC cleaning means more than running a brush through a duct. The system that moves conditioned air through your house has several components, and each one collects its own kind of debris. In Middletown, with the river valley humidity and the age of the housing stock, we usually recommend cleaning the full air path, not just the visible registers. Here is what that includes.
Evaporator Coil Cleaning
The evaporator coil sits inside your air handler and is the place where condensation forms every time the system cools. In Middletown’s humid summers, that coil stays damp for weeks at a time. Dust settles on the wet surface, sticks, and becomes a paste that insulates the coil and reduces heat transfer. We clean coils with professional agitation tools under negative pressure, then apply a coil treatment that slows reaccumulation. A coil that hasn’t been cleaned in a 1960s-era home near the river can be running 30 percent less efficiently than it should.

Blower Cleaning
The blower wheel is the fan that pushes conditioned air through the supply side of your system. When it’s caked with dust, it moves less air, and the system runs longer to reach the same temperature. We remove the blower assembly, clean each blade, and inspect the motor for dust ingestion. In older Middletown homes with original fan motors, this single service often restores airflow that the homeowner thought was lost to duct design.

Condenser Cleaning
The condenser is the outdoor unit, usually sitting on a pad in the backyard or alongside the foundation. It pulls outside air across coils to release heat. When those coils are clogged with grass clippings, cottonwood seed, or river dust, they can’t shed heat. We clean the condenser coils with a low-pressure wash and coil-safe cleaning agent, then check the refrigerant pressures to confirm the system is operating within manufacturer spec. On Central Avenue near the Wesleyan campus, this is routine maintenance; on the mill side with the heavier particulate load, it’s a necessity.

Air Handler Cleaning
The air handler is the big metal box that contains the blower, the coil, and usually the filter slot. When we open an air handler in a 1950s brick ranch off Central Avenue, we often find the inside of the cabinet coated with a fine black dust that has settled out of the airstream over decades. We vacuum the cabinet interior, clean the coil and blower, and inspect the drain pan for standing water and biological growth. Air handler cleaning is the single highest-impact service for older Middletown homes with original equipment, because it’s where the air actually gets dirty.

Heat Exchanger Cleaning
For homes with gas furnaces, the heat exchanger is the steel or aluminum component that separates combustion gases from the air you breathe. A fouled heat exchanger makes the furnace run hotter and less efficiently, and in extreme cases can compromise the exchanger material. We clean accessible heat exchanger surfaces and document their condition with photos. If we see cracks or corrosion, we’ll show you the images and recommend a qualified HVAC contractor for replacement. This is a safety component, not a cosmetic one.

Coil Treatment
After the coil is cleaned, we apply a coil treatment designed to keep dust and moisture from adhering. This matters more in Middletown than in higher-elevation towns because the river valley keeps relative humidity elevated through the summer. A treated coil stays cleaner longer and transfers heat more efficiently. We’ll include the treatment in your written quote, not add it as a surprise upcharge.

What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Before
AfterTrusted Brands We Service in Middletown
Our crews work on all major residential HVAC systems, and we stock common parts for Carrier, Trane, Rheem, Goodman, and Lennox equipment. For air quality upgrades common in Middletown homes, we install and service Honeywell and Aprilaire media cabinets and filters. We also use Rotobrush and Nikro equipment for duct cleaning work, because these brands are the professional standard and you can look them up independently before you agree to a price. If your system is old, mismatched, or a brand we don’t see often, we’ll tell you that honestly before we start.
Common HVAC Cleaning Problems We See in Middletown Homes

- Decades of accumulated dust in original ductwork. Most Middletown homes were built between the 1940s and 1960s, and many still have their original sheet-metal duct runs. We regularly pull several pounds of gray dust and debris from systems that have never been cleaned since the day they were installed.
- Open and disconnected duct joints in crawlspaces. In the older ranch homes along South Main Street and around Wadsworth Falls, duct seams have been pulling in crawlspace air for decades. The system is literally breathing through gaps, and cleaning alone won’t stop that. We inspect and seal accessible seams during our cleaning.
- River-valley humidity and mold growth. The Great Miami River valley traps moisture, and uninsulated metal ducts in cool crawlspaces sweat all summer. That condensation turns ordinary dust into a biological growth substrate. When we find mold, we document it and recommend sanitizing after the mechanical cleaning is done.
- Mill-side particulate that looks like black dust. Homes near the former Armco Steel property carry a distinct contaminant load: fine iron oxide particulate that settled inside ducts over generations. It’s heavier than household lint, darker than ordinary dust, and it requires HEPA capture during removal so we’re not simply redistributing it through the registers.
Pricing for HVAC Cleaning in Middletown, CT
We write the price before we start, and the price you sign is the price you pay. Here’s what Middletown homeowners should expect. An air handler cleaning with evaporator coil and blower service on a single-zone system runs $380 to $650. A full system cleaning, including supply and return duct runs, registers, plenum, and coil treatment, runs $540 to $940 depending on the number of runs and the level of contamination. Homes in the mill-side neighborhoods with heavy iron particulate accumulation commonly fall at the upper end of that range because HEPA capture and the additional sealing work take more time. We never quote per-vent pricing and we never run a teaser coupon. One flat price per system, written in advance, under Haven Standard Clause 1. Call (806) 606-6902 for a free estimate with the same written-price promise.
We Also Serve Cities Near Middletown

Our crews cover Middletown and the surrounding Middlesex County communities. If you live in Meriden, Newington, New Britain, or Wethersfield, we provide the same written-price guarantee and photo-documented results. HVAC Cleaning in Middletown anchors our central Connecticut service area, and we schedule routes across the metro so you’re not paying a distant dispatch fee.
Serving Middletown, CT - Our Local Coverage Area
We’re based in the Middletown 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 - HVAC Cleaning in Middletown

Because the contaminant isn’t ordinary household dust, it’s iron oxide particulate from over a century of steel mill operations along the Great Miami River. That dust is heavier and finer than typical lint, and standard negative-pressure extraction without HEPA capture can pull it out of the ducts and push it back into the living space. Our Rotobrush and Nikro equipment is configured with HEPA filtration on every mill-side job, and we test the visible discharge to confirm the air leaving the vacuum is clean. Call (806) 606-6902 to talk through what this means for your street specifically.
Most of Middletown’s housing stock was built in the 1940s through 1960s, and the ductwork in those homes is usually original, meaning 60 to 80 years old. Original sheet-metal runs almost always have open seams and separated joints, often in crawlspaces or between floors. Cleaning a system like that without sealing the accessible seams means the dust returns within months. Our cleaning process includes seam inspection and sealing where accessible, and we photograph every run before and after.
You should expect a heavy black-gray particulate that tests positive for iron, not the soft gray lint most homes accumulate. We’ve opened supply registers in mill-side homes and found a quarter-inch of dark, metallic dust caked at the register face alone. Inside the ducts, the load is heavier. This is not a health pronouncement, but it is an indication that your system has been carrying industrial fallout for decades, and it makes HEPA capture during cleaning non-negotiable.
Often yes, but only if the moisture source is addressed too. The smell comes from biological growth on dust that stays damp inside your duct runs or on your evaporator coil. Cleaning removes the material that’s growing, but if your ducts are uninsulated metal in a humid crawlspace, they will sweat again next summer. We clean the system, sanitize the accessible interior, and recommend insulation or sealing based on what the camera shows. The smell usually stays gone when the moisture path is interrupted.
No, sealing is not a recurring service; once seams are sealed, they stay sealed. What you do need is to have your duct joints inspected at each cleaning, because older homes settle, and new gaps can form. We include a seam check as part of every cleaning, and we’ll seal any newly opened joints at no additional cost if they fall within the accessible portion of your system. If you’ve never had your ducts sealed and you live in a pre-1970s home, expect that the first cleaning will be the most involved one.
Contact CleanRun Air Duct Cleaning in Middletown
If you own a home in Middletown and you’ve never seen the inside of your ducts, now is the time. We’ll walk you through the process, give you a written price, and show you the before-and-after photo record when we’re done. Call (806) 606-6902 for a free estimate today. If you have a competitor’s written quote, bring it. We’ll put our number next to it in writing under our Free Second Opinion policy. No pressure, no surprises, no work until you approve the price.
Written by Tomas Reyes, Owner at CleanRun Air Duct Cleaning, serving Middletown since 2013.




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