Fast, Reliable Air Quality & Sanitizing Across Chicago
Air quality and sanitizing services in Chicago typically run $275-$650 for residential duct treatment and $385-$895 for UV light installation, with most jobs completed in a single visit. Bellows Air Duct & Vent Co. has served Chicago homeowners since 1984, and our Air Quality & Sanitizing team understands the specific challenges of this city’s aging housing stock. From Pilsen three-flats to Loop loft conversions, we arrive with equipment matched to your building’s actual ductwork, not a one-size-fits-all approach. Call (844) 685-6342 for upfront pricing and scheduling. We’re familiar with the lake-effect humidity that breeds mold in uninsulated basement ducts, the asbestos-wrapped trunks still found in Bridgeport and Near West Side buildings, and the irregular retrofit ductwork that demands inspection before any tool touches metal.
Why Bellows Air Duct & Vent Co. Is Chicago’s Preferred Air Quality & Sanitizing Company
We’ve been in Chicago long enough to know that a 1920s greystone in 60609 isn’t the same job as a new construction in the suburbs. Our technicians carry both residential Rotobrush systems and industrial Nikro negative-pressure units because the Loop’s converted commercial lofts need equipment that residential rigs can’t provide. Chicago customers tell us they chose us after another company quoted a price that doubled at the door, or sent a crew that had never seen asbestos pipe insulation and started work without checking. That doesn’t happen with Bellows.
Our 90-Day Done Right Promise applies to every Chicago job. If the sanitizing doesn’t hold, we return at no charge. No paperwork, no arguing. We also answer our phones with a live person 24 hours a day, which matters when you’re smelling mold in October and the furnace just kicked on for the season. Background-checked, uniformed technicians arrive on time. Camera inspection before and after every job gives you a visual record, not just our word.
We offer a permanent 5% Senior and Veteran discount, a $89 Seasonal Tune-Up, and free second opinions on any written estimate you’ve received from another contractor. Our pricing is disclosed before we start. The number on the phone is the number on the invoice.
Our Air Quality & Sanitizing Services in Chicago
Mold Treatment
Chicago’s summer humidity spikes off Lake Michigan create condensation inside poorly insulated basement and sub-floor duct runs, especially in older brick buildings with forced-air retrofits. We find active mold in these conditions more often than we’d like. Our mold treatment in Chicago runs $340-$650 for residential systems and begins with camera inspection to locate contamination, followed by HEPA vacuuming with Abatement Technologies equipment and application of EPA-registered fungicide. In a Bridgeport three-flat near 35th and Halsted, we found a 1920s round galvanized trunk duct still serving as the primary supply plenum, with 50+ years of compacted dust and visible asbestos wrap. We used an Abatement Technologies HEPA vacuum and applied an EPA-registered bactericide via electrostatic sprayer to address mold spores and odor from decades of debris, then recommended UV light installation for ongoing microbial control. We photographed and disclosed the asbestos insulation before touching anything. That’s how it should be done in Chicago.
Bacteria Sanitizing
Older Chicago buildings with decades of debris accumulation harbor more than dust. Bacteria from rodent activity, water intrusion, and organic breakdown colonize duct interiors and recirculate through living spaces. Our bacteria sanitizing service in Chicago costs $275-$525 and uses electrostatic application of EPA-registered bactericides that coat the full duct interior, including the irregular branch connections common in retrofit systems. We pay particular attention to the oversized galvanized trunks in Near West Side and Pilsen buildings, where low air velocity allows biofilm to establish on horizontal surfaces.
Odor Removal
Musty, stale, or chemical odors in Chicago’s older buildings often trace to decades of debris in legacy ductwork, previous water damage, or dead organic matter in inaccessible runs. Standard air fresheners mask the problem; we remove the source. Odor removal in Chicago runs $295-$575 and combines source elimination through HEPA contact cleaning, oxidation treatment for organic compounds, and neutralization of residual smells. In three-flats with original gravity-furnace trunks still in service, the bottom seams of those 12-16 inch round ducts collect compacted dust that holds odor for years. We target those specific accumulation points rather than treating the whole system blindly.
UV Light Installation
UV-C light systems installed at the coil or in the supply plenum provide continuous microbial control without repeated chemical application. For Chicago’s older buildings with persistent mold risk from summer humidity, this is often the most practical long-term solution. UV light installation in Chicago runs $385-$895 depending on system size and accessibility. We specify Honeywell and Aprilaire units sized to the actual airflow of your retrofit ductwork, not the original furnace rating. In Pilsen and Bridgeport three-flats, we evaluate whether the old round trunk configuration allows proper UV exposure time before recommending placement. Sometimes the geometry of these legacy systems requires a different approach than standard rectangular ducting.
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.
Trusted Brands We Service in Chicago
We carry professional-grade equipment from Rotobrush, Nikro, and Abatement Technologies, the same brands serious HVAC contractors specify for commercial and residential work. For Chicago customers, this means we have the right machine for your building type, not whatever fits in the van. Rotobrush systems handle the residential branch lines in Near North Side condos. Nikro industrial negative-pressure units manage the multi-zone commercial systems in Loop loft conversions. Abatement Technologies HEPA equipment protects crews and occupants when we’re working around hazardous materials in older buildings. We stock replacement UV lamps and media for Honeywell and Aprilaire systems, so follow-up service doesn’t wait on shipping. Most jobs are completed in a single visit because we arrive prepared for what Chicago’s housing stock actually presents.
Common Air Quality & Sanitizing Problems We See in Chicago Homes
- Asbestos-insulated trunk ducts in pre-1930 buildings. In Pilsen and Bridgeport three-flats, technicians routinely encounter the original 12-16 inch round galvanized main trunks from 1920s gravity furnaces still in service, frequently wrapped in gray corrugated asbestos pipe insulation that must be photographed and disclosed to the homeowner before any tool touches the duct. Neglecting this step creates liability for everyone.
- Residential equipment used on commercial systems. The Loop core’s converted loft buildings and Class B office towers have multi-zone commercial HVAC that requires industrial-grade negative-pressure equipment. A residential sanitizing rig won’t move enough air to treat these systems properly.
- Untreated condensation mold in basement runs. Chicago’s lake-effect humidity spikes leave moisture inside uninsulated basement ducts. Sanitizing without addressing the underlying condensation means mold returns the next humid season. We check for this condition and recommend solutions.
- Decades of compacted dust in oversized gravity-furnace trunks. The low air velocity in these 12-16 inch round ducts allows fine debris to settle and compact along bottom seams. Standard brushing often misses this accumulation. We inspect with cameras and use contact methods appropriate to the actual debris type.
Pricing for Air Quality & Sanitizing in Chicago, IL
Here’s what Chicago homeowners can expect for our most common air quality and sanitizing services:
| Service | Typical Range in Chicago |
|---|---|
| Bacteria Sanitizing (residential) | $275-$525 |
| Mold Treatment (residential) | $340-$650 |
| Odor Removal | $295-$575 |
| UV Light Installation | $385-$895 |
| Air Purifier Installation | $425-$950 |
| Allergen Reduction Package | $325-$625 |
Factors that affect your specific price: the size and accessibility of your duct system, whether hazardous materials are present and require additional safety protocols, the severity of contamination, and whether your building needs residential or commercial-grade equipment. Loop loft conversions with multi-zone systems fall at the higher end. Simple single-family homes in Belmont Cragin or Cicero typically run lower. We disclose the full price before starting work. No bait coupons, no changes at the door. Call (844) 685-6342 for a free estimate with exact numbers for your building.
We Also Serve Cities Near Chicago
Bellows provides Air Quality & Sanitizing in Chicago and surrounding communities including Near North Side, West Town, Cicero, and Belmont Cragin. Whether you’re in a high-rise on the Magnificent Mile or a brick two-flat off Cicero Avenue, we match our equipment and approach to your building’s actual conditions. Same upfront pricing, same 90-Day Done Right Promise, same live person answering the phone.
Serving Chicago, IL - Our Local Coverage Area
We’re based in the Chicago 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 - Air Quality & Sanitizing in Chicago
Yes, and any contractor who doesn’t check is putting you at risk. In Chicago’s Pilsen and Bridgeport three-flats, the original 12-16 inch round galvanized trunk ducts from 1920s gravity furnaces are still in service, frequently wrapped in gray corrugated asbestos pipe insulation that must be photographed and disclosed before any cleaning or sanitizing begins. We inspect with cameras before touching anything. If asbestos is present, we follow EPA notification protocols and can coordinate with licensed abatement specialists. Call (844) 685-6342 and we’ll walk through what your building likely contains.
Sometimes, but the geometry matters. Those 12-16 inch round galvanized trunks have different airflow patterns than modern rectangular ducting, and UV exposure time depends on lamp placement and air velocity. We evaluate your specific trunk configuration with camera inspection before recommending UV light installation. In some Pilsen three-flats, we install at the coil or in a modified plenum rather than the round trunk itself. The installation runs $385-$895 depending on accessibility and modifications needed. Call for an assessment of your specific system.
Source removal first, then treatment. The oversized round trunks in Bridgeport three-flats accumulate 50+ years of compacted dust along bottom seams, and that debris holds odor that chemical masking can’t touch. We HEPA-vacuum the source material, apply oxidation treatment for organic compounds, and finish with neutralization. For persistent issues, we often recommend UV light installation for ongoing microbial control. Odor removal runs $295-$575. Call (844) 685-6342 for a free estimate.
They can be, but duct sealing usually matters more. Chicago’s pre-1930 brick two-flats and three-flats in 60607, 60608, and 60609 have retrofit ductwork with irregular trunk sizes and inadequate branch sealing, meaning a significant portion of conditioned air leaks into walls and basements before reaching rooms. An air purifier treats what moves through it, but can’t compensate for air that bypasses the filter entirely. We typically recommend camera inspection and duct sealing assessment alongside purifier sizing. Air purifier installation runs $425-$950. Call to discuss whether your building’s ductwork makes purifiers the right first step.
Chicago’s summer humidity spikes from Lake Michigan create condensation inside poorly insulated basement and sub-floor duct runs, which means mold contamination is a realistic finding, not just a sales pitch. In Near West Side loft conversions, we also encounter commercial HVAC systems with multi-zone cooling that produces condensation at coil and plenum junctions. Sanitizing without addressing the moisture source means mold returns. We inspect for active condensation, treat existing contamination, and can recommend insulation or dehumidification solutions. Mold treatment in these buildings runs $340-$650. Call (844) 685-6342 for an exact quote, estimates are free.
Ready to breathe cleaner air in your Chicago home? Call Bellows Air Duct & Vent Co. at (844) 685-6342 for upfront pricing and a free estimate. We’ll inspect your system with cameras, explain what we find in plain language, and show you the exact cost before any work begins. Done right, backed in writing for 90 days. That’s how we’ve operated since 1984.
Written by Ray Castillo, Owner at Bellows Air Duct & Vent Co., serving Chicago since 1984.