Air Duct & Vent Cleaning Services — Cleaner Air, Better Efficiency, Throughout the Home
Every time your HVAC runs, it circulates whatever has accumulated in your ductwork throughout every room in the house. Dust, mold spores, pet dander, pollen, and debris that build up over years in the duct system don’t stay there — they recirculate continuously. NorTech air duct and vent cleaning removes those contaminants at the source, improving indoor air quality and restoring system efficiency.
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15% Off Your First Air Duct Cleaning
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Service Options
HVAC Duct Cleaning & Exhaust Vent Cleaning
Your home has two types of ventilation that accumulate debris differently and require different cleaning approaches.
HVAC Air Duct Cleaning
Supply ducts, return ducts, air handler, and all vents
- All supply and return duct runs cleaned
- Main trunk lines vacuumed and agitated
- Air handler compartment cleaned
- Blower wheel and housing cleaned
- All supply and return vent covers removed and washed
- Evaporator coil area inspected and cleaned if accessible
- System run post-cleaning to verify airflow
- HEPA-filtered equipment — no particle recirculation
Exhaust Vent Cleaning
Bathroom exhausts, kitchen range hood, and dryer duct
- Bathroom exhaust fans removed, cleaned, and reinstalled
- Exhaust duct runs cleared of lint and debris
- Kitchen range hood filter and duct cleaned
- Dryer exhaust duct cleared of lint accumulation
- Vent exterior covers checked and cleared
- All exhaust paths confirmed clear and unobstructed
- Dryer duct cleaning significantly reduces fire risk
Add-Ons Available: Sanitization treatment for mold in ductwork, coil cleaning, UV light installation, and filter upgrade available as add-ons.
Book Your Air Duct Cleaning →What Accumulates in Ductwork
What Builds Up in Air Ducts Over Time — and What It Does to Your Air
Ductwork is the distribution system for everything in your indoor air. Understanding what accumulates there explains why cleaning it has a direct effect on health, comfort, and HVAC performance.
Dust & Debris
Household dust — skin cells, fabric fibers, soil tracked in from outside — is drawn into the return air system continuously. Over years, it accumulates in duct walls, on blower wheels, and on coil surfaces. The blower redistributes this material every time the system runs, creating the fine dust layer that reappears on surfaces shortly after cleaning.
Mold Spores
Ductwork runs through unconditioned attic and wall spaces where temperature differentials create condensation. Moisture in ducts creates conditions for mold growth, particularly around the evaporator coil where humidity is highest. Once mold establishes in the duct system, the HVAC fan distributes spores throughout every room in the house on every cycle.
Pet Dander & Hair
Pet dander — microscopic skin particles — is one of the most common indoor allergens and one of the lightest airborne particles. It stays suspended in air for hours and is easily pulled into the return air system. In homes with pets, duct surfaces accumulate layers of dander that are released back into the living space every time the HVAC runs.
Pollen & Outdoor Allergens
Pollen and outdoor allergen particles enter through open doors and windows and are drawn into the HVAC system. Filter quality determines how much gets trapped versus how much passes through into the duct system. Over time, seasonal pollen accumulates in ductwork and continues to circulate long after the outdoor pollen season has ended.
Construction Dust
Drywall dust, concrete dust, and other construction particles from renovation work are extremely fine and travel throughout the entire duct system during and after construction. They penetrate into every duct run in the house, not just the rooms where work was done. Construction dust in ductwork continues circulating for months after the renovation is complete.
Insulation Particles & Debris
Older flex duct liners degrade over time, releasing fiberglass particles into the airstream. Improperly installed duct insulation can also shed material into the system. In homes with older HVAC installations or flex duct that has been damaged or disconnected, debris from attic insulation can enter the duct system through gaps at connections.
Know When It’s Time
6 Signs Your Air Ducts Need Professional Cleaning
Ductwork is out of sight — which means most homeowners don’t know there’s a problem until these symptoms appear.
Dust Returns Quickly After Cleaning
If surfaces in your home accumulate a visible dust layer within days of cleaning, your HVAC system is the likely source — redistributing accumulated duct debris every time it runs. Cleaning the ducts addresses the source rather than the symptom.
Musty Smell When the HVAC Runs
A musty or stale odor that appears when the heating or cooling turns on indicates mold or microbial growth somewhere in the duct system — most commonly around the evaporator coil or in flex duct sections that retain moisture.
Visible Dust at Vent Openings
Dust blowing visibly from supply vents when the system starts, or a visible dark ring of dust around vent covers, indicates significant duct accumulation. This is material that has bypassed the filter or has been in the system long enough to coat duct surfaces.
Allergy or Respiratory Symptoms Worse Indoors
When allergy sufferers consistently feel worse inside the home than outdoors, the indoor air quality is the issue. Ductwork that circulates accumulated allergens — dander, pollen, mold spores — continuously elevates the indoor allergen load regardless of outdoor conditions.
Recent Renovation or New Construction
Construction dust enters the duct system during renovation work and does not clear on its own. Even with the HVAC off during construction, fine particles settle into every duct opening. A duct cleaning after renovation removes this material before it circulates through the occupied home.
Ducts Have Never Been Cleaned
In homes older than 5–7 years where duct cleaning has never been performed, the accumulation in the system is significant by default. The combination of years of dust, pet dander, and filter bypass makes a first-time cleaning one of the highest-impact air quality improvements available.
Transparent Pricing
Air Duct Cleaning Cost — What Affects Your Quote
Air duct cleaning cost depends on the size of your home, the number of vents and duct runs, the configuration of your HVAC system, and current condition. We provide an upfront estimate before any work begins — no hidden fees, no per-vent upselling.
Factors that affect your duct cleaning quote:
Customer Reviews
What Customers Say About NorTech Air Duct Cleaning
4.8
Based on 1,000+ verified ratings
“My son has asthma and his symptoms indoors were noticeably worse than when we were outside. After the duct cleaning I could immediately see the difference in what the technician collected — years of debris. His indoor symptoms improved significantly within a week.”
“We moved into a house that had three cats for 10 years. The dander in the duct system was unreal — visible debris coming from every vent. NorTech cleaned the full system and the difference in air quality was immediate. The musty smell when the AC kicked on is completely gone.”
“Had duct cleaning done after a full home renovation. The technician showed me the before-and-after on one of the duct runs — the amount of drywall dust was staggering. House is 8 months post-renovation and the dust accumulation on surfaces has dropped noticeably since the cleaning.”
“Our HVAC was running constantly and the house never seemed to reach temperature. After the duct and blower cleaning the system cycles are shorter and the house holds temperature better. Energy bill dropped the following month. Didn’t expect the efficiency improvement to be that noticeable.”
“New construction home — ducts had never been cleaned and were full of construction debris from the build. NorTech cleaned the full system before we moved furniture in. The technician was thorough, explained what he was finding, and the air quality in the home was completely different afterward.”
“Dryer duct and bathroom exhaust cleaning done at the same time as the HVAC ducts. Dryer is back to drying in a single cycle — hadn’t realized how much lint had accumulated. The technician showed me the blockage in the exhaust duct. Good value for everything in one visit.”
Common Questions
Air Duct & Vent Cleaning — Frequently Asked Questions
Straight answers to what homeowners ask most before booking.
A professional air duct cleaning covers all supply and return air ducts throughout the home, supply and return vent covers removed and cleaned, the air handler and blower compartment cleaned, and the main trunk lines vacuumed and agitated. Depending on the system configuration, the evaporator coil area may also be cleaned. The goal is to remove accumulated dust, debris, mold spores, and allergens from the entire air distribution system.
The EPA recommends cleaning air ducts when there is visible mold growth inside ducts or on system components, when ducts are infested with insects or rodents, or when ducts are clogged with excessive dust and debris. For most homes without these specific conditions, a professional duct cleaning every 3–5 years is appropriate. Homes with pets, allergy sufferers, recent renovations, or older HVAC systems benefit from more frequent cleaning.
Yes. Ductwork that has accumulated mold spores, dust mite debris, pet dander, pollen, and other allergens circulates these particles through the home every time the HVAC system runs. For people with asthma, allergies, or respiratory sensitivities, this continuous recirculation can worsen symptoms indoors. Professional duct cleaning removes these contaminants from the distribution system — though it is most effective as part of a broader indoor air quality approach that also includes regular filter changes and source control.
Key indicators include visible dust blowing from vents when the HVAC runs, visible mold growth on vent covers or inside accessible duct sections, musty or stale odor from vents, increasing dust accumulation on surfaces despite regular cleaning, allergy symptoms that are consistently worse indoors, and if the home has undergone recent renovation or construction.
A full air duct cleaning for an average residential home typically takes 2–4 hours. Larger homes with more complex duct systems or significant buildup may take longer. The technician will give you a time estimate based on your home size and system configuration.
Yes. Dust and debris buildup in the air handler and on coil surfaces restricts airflow and reduces heat transfer efficiency. A clean system moves air more freely, reaches temperature set points faster, and runs shorter cycles — which reduces energy consumption. The improvement is most noticeable in systems that have significant buildup and have not been cleaned in several years.
Air duct cleaning cost depends on the size of the home, the number of vents, the configuration of the duct system, and current condition. We provide an upfront estimate before any work begins. Request a free quote with your home size and HVAC details for a clear price.
Yes. Every NorTech air duct and vent cleaning is backed by our 100% Satisfaction Guarantee. If the work does not meet standard, we come back and address it at no additional charge.
Service Coverage
Air Duct & Vent Cleaning Near You
NorTech technicians serve homeowners nationwide — including these major metros. View full service territory →
Get Started Today
Schedule Your Air Duct & Vent Cleaning
Tell us your home size, HVAC configuration, and location. We’ll give you an upfront estimate and get you on the schedule — same week in most service areas.
