Air Duct Cleaning FAQ for Reno Homeowners

It can be, in specific cases. EPA recommends cleaning only as needed: substantial visible mold inside hard-surface ducts, ducts infested with rodents or insects, or ducts clogged with dust and debris that blows out of the supply registers. Without those, EPA says cleaning is probably unnecessary. Ask any company to show you the contamination before agreeing. More in is it worth it.

Duct cleaning itself is a real service, but scams exist. NADCA warns about "$99 whole house specials" and "blow-and-go" companies that charge a nominal fee, clean poorly and push unneeded add-ons. EPA warns against sweeping health claims and against anyone claiming EPA certification, since EPA does not certify duct cleaners. Get written quotes and check the company's license.

EPA says duct cleaning "has never been shown to actually prevent health problems," and studies do not conclusively show that indoor dust levels drop after cleaning. Some homeowners notice a fresher-smelling home after heavy debris is removed, but no company can honestly promise allergy or asthma relief. If you or a family member has symptoms, talk to a doctor first.

There is no fixed schedule. EPA says to clean only as needed. NADCA doesn't set a fixed interval either; it lists pets that shed heavily, allergies, smoking, water damage, remodeling and moving into a new home as reasons some households clean more often. Be wary of any company that calls duct cleaning routine maintenance. See how often to clean ducts.

EPA says "little evidence exists to indicate that simply cleaning the duct system will increase your system's efficiency." It does note some research suggesting that cleaning dirty cooling coils, fans and heat exchangers can improve efficiency. Sealing duct air leaks is a separate job that EPA says can help save energy on heating and cooling bills. See duct sealing.

EPA and NADCA put typical whole-system cleaning at $450 to $1,000 per system. Cost guides report averages of about $389 (HomeAdvisor) to $500 (Fixr). HomeBlue's 2024 Reno estimates run $300 to $390 for about 10 vents and $590 to $770 for 20. These are estimates, not quotes. Try the calculator in the cost guide.

Cost guides commonly put it at $25 to $50 per vent. A home with 15 supply and return vents would land around $375 to $750 at those rates, before add-ons like dryer vent or furnace cleaning. Per-vent pricing is a starting point; access, system size and contamination level can move the final quote either way.

Cost guides put dryer vent cleaning at $100 to $170 on its own, or about $100 when added to a duct cleaning. Long runs and roof exits can cost more. The USFA found that failure to clean was the leading factor in residential clothes dryer fires. See the dryer vent cleaning page for what the job involves.

NADCA describes source removal: the system is placed under negative pressure with a powerful vacuum while brushes, air whips or similar tools dislodge debris, which is then pulled out of the system and the home. Any vacuum that exhausts indoors must be HEPA filtered. The process page covers EPA's provider checklist and what to check afterward.

Look. EPA says all portions of the system should be visibly clean and "you should not be able to detect any debris with the naked eye." NADCA adds that a system with visible dust or debris should not be considered cleaned. Check the registers, the blower compartment and duct interiors where you can, and confirm access holes are sealed.

Yes. EPA warns that "an inadequate vacuum collection system can release more dust, dirt and other contaminants than if you had left the ducts alone." It also says failing to clean a contaminated component can re-contaminate the whole system. That is why EPA suggests asking how the company collects debris and which parts of the system its quote covers.

That's your choice to ask about. EPA says research has not shown chemical biocides to be effective in duct cleaning, and none are registered for internally insulated or fiberglass-lined ducts. If you permit one, EPA says the company should show you the label and apply it only to uninsulated areas after cleaning. NADCA says antimicrobials aren't part of a typical duct cleaning job.

It depends on the duct. EPA lists substantial visible mold in hard-surface ducts as a reason to clean, and says to ask the provider to show you any mold it claims exists. Insulated ducts that get wet or moldy "cannot be effectively cleaned and should be removed and replaced." EPA adds that mold returns if the moisture problem causing it isn't fixed.

Agencies don't recommend duct cleaning after smoke. EPA's advice is a MERV 13 filter or the highest your system can take, recirculate mode and closed windows. EPA says you may consider cleaning after a fire if ducts are clogged or particles blow out of the registers. If smoke odor or ash persists after filter changes, some homeowners have their system inspected.

Close windows and doors and set central air to recirculate. The Washoe County Health District has advised residents to "run the air conditioner on recirculation function." EPA recommends a snug-fitting MERV 13 filter, or the highest rating your system can accommodate, and suggests checking with an HVAC technician about what your system can take. See wildfire smoke HVAC cleanup.

Officials say to avoid it. The Washoe County Health District has told residents to "avoid using a swamp cooler or whole-house fan to prevent bringing additional smoke inside." EPA says that if you can safely reach the cooler, you can cover its outside air intakes with 4-inch MERV 13 filters; otherwise use it sparingly in smoke. See swamp cooler service.

Under NSCB rules (NAC 624.380), Nevada has no separate duct cleaning license class. HVAC service work generally falls under the C-21 classification, and whether pure duct cleaning needs a license is not settled, so ask the company and check NSCB. The $1,000 handyman exemption does not cover HVAC-type work (NRS 624.031). This is general information, not legal advice.

Use the Nevada State Contractors Board license search. Check that the license is active, that the business name matches the company you are hiring, and what classification and monetary limit it holds. Nevada requires contractors to show their license number in their ads. Our guide on checking a Nevada contractor license walks through each step.

No. EPA says it "neither establishes duct cleaning standards nor certifies, endorses, or approves duct cleaning companies." Treat any "EPA-certified duct cleaner" claim as a warning sign. NADCA is a trade association with its own membership requirements, and you can look up members in its online directory. Either way, check the company's Nevada license before you hire.

No. Reno Air Duct Cleaning is a referral service, not a contractor, and is not licensed by the Nevada State Contractors Board. We connect Reno-area homeowners with independent local duct cleaning and HVAC companies for free, no-obligation quotes. The company that quotes your job does the work and is responsible for it. Learn more about us.

Yes. Requesting a quote costs nothing, and you are under no obligation to hire anyone. Fill out the free quote form with your ZIP, the service you need and a few details about your home. We usually reply the same day. You can then compare the written quote with others before you decide.