How Much Does Air Duct Cleaning Cost?
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Many homeowners want to keep the air inside their home as clean as possible. Air duct cleaning cost ranges from $268 to $492, with the national average at $379.
Highlights
- Homeowners will typically pay between $268 and $492 for air duct cleaning; the national average cost is $379.
- Several factors affect the cost of air duct cleaning, including the size and type of ductwork, the number of vents, the contamination level, the duct cleaning company, the local labor costs, and the home’s geographic location.
- Duct cleaning can improve the quality of the home’s air, improve the functionality of the HVAC system, and eliminate unpleasant odors.
- While homeowners can change their furnace filter themselves, it is recommended to leave duct cleaning to a professional as it is a more involved and complicated process.
Air ducts help circulate warm or cold air into a home from its HVAC system, but along with that air is plenty of dust and dirt. According to the Environmental Protection Agency (EPA), most of the dust and dirt inside air ducts adheres to the sides of the home’s air ducts and doesn’t necessarily enter the home where it can be breathed; however, a build-up of dust and dirt can eventually affect the air quality in the home. The EPA recommends that duct cleaning is needed when there is visible mold growth within the air ducts or on other sections of the heating and cooling system. Some other important reasons to consider air duct cleaning are if the ducts show evidence of an insect or rodent infestation; if the ducts are visibly clogged with dust, dirt, and debris; or if dust and particulates are being released into the living space where they can be inhaled.
According to Angi and HomeAdvisor, the cost to clean air ducts can range from $268 to $492, with the national average at $379. Not sure how often to clean air ducts? It’s recommended that air duct cleaning be done as needed, or every 5 to 7 years; homes with multiple pets or allergy-prone residents will likely need more frequent air duct cleaning. Some factors that affect overall air duct cleaning costs are the state of the duct system, the size of the ductwork, the ease of duct system access, and the number of vents. It’s recommended that the cleaning service attend to all components of the air duct system, including the blower, heat exchanger, drain pan, coils, and plenum.
Factors in Calculating Air Duct Cleaning Cost
There are several factors that affect overall air duct cleaning costs. Prices can differ from the national average due to the size and type of ductwork, the number of vents, contamination level, accessibility, local labor costs, and geographic location.
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Home and Ductwork Size
Air duct cleaning costs depend on the ductwork size. Air duct cleaning professionals typically charge by the vent or by the square foot, and duct cleaning costs approximately $25 to $50 per vent. To find out the average price, homeowners can count each duct and multiply by $35. Each vent connects the HVAC system to each room via ducts. If the professional charges by the square foot, it will cost about $0.15 to $0.30 per square foot. The ductwork cleaning cost for a 1,500-square-foot house can run between $225 and $450 on average. Some air duct cleaning companies may also charge by the system.
Ductwork Type
There are different materials, tools, and cleaning methods for foam board, fiberglass, flex, or rigid ducts. Foam board or fiberglass ducts can be cleaned with contact vacuuming, air washing, or power brushing. Flex ductwork requires specialized equipment, and not every company may offer the service. Rigid ductwork is more straightforward to clean, and virtually every duct cleaning company will offer the service.
Number of Vents
Air duct vent cleaning can average between $25 and $50 per supply vent, or an average of $35 per vent. Price estimates can be arranged according to four different pricing methods.
- Per vent. Some air duct cleaning professionals will charge by how many vents there are in the system.
- Per vent plus flat fee. Some companies will charge a flat fee for air duct cleaning and add a fee per vent.
- Per vent plus trip fee. A customer may be charged a fee for the company to make the trip to the home (to cover overhead costs), and then the company will add the price of each vent separately.
- Per square foot. Some air duct cleaning professionals will charge by the home’s square footage to determine air duct cleaning costs.
| Number of Vents | Cost (Materials and Labor) |
| 8 | $200 to $400 |
| 12 | $300 to $600 |
| 16 | $400 to $800 |
| 20 | $500 to $1,000 |
Contamination Level
In addition to dust, air ducts can contain contaminants such as animal dander and waste, dust mites, mold spores, pollen, mildew, and bacteria. The level of contamination of the air duct system will determine the price range for duct cleaning. The more contaminated the ductwork, the more time it will take to clean.
Accessibility
Many homes have entry points in the basement or utility room that provide easy access to the air duct system. There may be an extra charge if there are difficult-to-reach areas in the attic or tight crawl spaces. The overall cost will vary depending on the location, the air duct cleaning company, and project scope.
Duct Cleaning Service
The cost to have air ducts cleaned and serviced can range depending on the company. Some of the most common national services charge between $200 and $1,000 including labor, but these prices can also be affected by factors like location and the size of the home. The best-known air duct cleaning companies and their average costs are as follows:
| Duct Cleaning Service | Cost |
| Coit | $400 to $800 |
| Duct Doctor | $500 to $700 |
| Four Seasons | $600 to $750 |
| Sears | $250 to $1,000 |
| ServPro | $200 to $800 |
| Stanley Steemer | $500 to $1,000 |
| Zerorez | $200 to $700 |
Labor
Many ductwork cleaning companies will charge by the vent or by the square footage of the home. Some companies charge an hourly rate, often $90 to $125 per hour. They will assess the contamination level of the air duct system, the system size, the air handler location, and accessibility to determine the time it will take to clean.
Geographic Location
Geographic location also impacts air duct cleaning costs. The cost of labor and material can vary in different locations around the country or even within the same state, and that can trickle down to the customer when it comes to paying for air duct cleaning. Customers can research “air duct cleaning near me” to get an idea of local prices.
| State | Cost |
| California | $222 to $452 |
| Colorado | $239 to $400 |
| Florida | $258 to $518 |
| Illinois | $267 to $395 |
| Michigan | $290 to $429 |
| Nevada | $220 to $462 |
| New Hampshire | $312 to $538 |
| New York | $268 to $488 |
| Texas | $263 to $712 |
Additional Costs and Considerations
When budgeting for air duct cleaning costs, there may be additional price factors and considerations. While the average cost of air duct cleaning is $379, additional expenses like HVAC inspection costs and repair costs to more significant charges like the cost of pest control, mold remediation, or asbestos removal can drive up the price.
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Inspection
Air duct inspection costs range from $70 to $130. Some companies will apply the cost of inspection toward the cleaning if the same service is used. A camera is used to inspect the ductwork and check for pests, damage, debris, mold, insulation issues, and dust buildup. It’s recommended that homeowners have air ducts inspected at least once per year.
Duct Repair or Replacement
It costs around $200 to $800 to repair air ducts depending on the severity of the damage. Air duct cleaning professionals may recommend furnace repair if they observe damage to the blower motor or heat exchanger. Furnace repair costs $130 to $500, and air conditioning repair costs $160 to $600 on average. Custom ductwork may cost more to repair or replace since it’s more difficult to find replacement parts.
Number of Furnaces and AC Units
The more furnaces and air-conditioning units there are in a house, the more it will cost to clean the air ducts. Each additional furnace will add $400 to the cost of furnace duct cleaning. Although it’s not common for homes to have more than one furnace, a second furnace is often found in homes with additions where the original furnace was not powerful enough to heat the entire space.
Contaminent Removal
Sometimes, air vents can become contaminated by pests, mold and mildew, or asbestos. If the air duct cleaning professional finds the presences of any contaminants in the ductwork, there will be an additional charge for removal.
- Pest removal: Rodents and insects can make their way into an air duct system and create a cozy home. They may chew their way into the ductwork, or there may be an unsealed area with easy access. Rodent droppings can cause respiratory illness. An exterminator costs between $200 and $1,200 to remove mice, rats, or other rodents. If there are any droppings within the air duct system, homeowners will want to call one of the best pest control companies, such as Orkin or Terminix. A rodent or insect infestation may require more than just a simple duct cleaning.
- Mold and mildew removal: It’s important to take care of mold in an HVAC system to prevent spores from being circulated throughout the home. In addition to air duct cleaning costs, professional mold remediation costs $600 and $2,000. Removing mold and mildew involves special equipment, chemicals, and additional time. Air duct sanitizing, which can help prevent future mold and mildew growth, costs $100 to $250. Homeowners will want to keep in mind that most air duct cleaning doesn’t remove all traces of mold.
- Asbestos removal: An air duct cleaning professional can inspect a duct system to make sure there are no asbestos materials in the heating and cooling system. Removing asbestos materials requires specialized procedures, and the material should only be removed or disturbed by specially trained professionals. Homeowners will want to find one of the best asbestos removal companies in their area for this job. The cost of asbestos removal will depend on its extent, but the national average is about $5 to $20 per square foot.
Custom Duct Cleaning
Homeowners can expect to pay 25 to 30 percent more for custom-designed ducts. The job will take longer than cleaning stock ductwork since the cleaning professionals need to take their time and make sure they do the job right. Custom ductwork increases the labor cost and may require specialized tools or techniques.
Air Duct Sanitizing
Air duct sanitizing involves spraying an antibacterial disinfectant into the ductwork. The EPA, insulation experts, and air duct professionals acknowledge that moisture should not be inside fiberglass-lined ductwork. If the mold and mildew problem is severe, the air duct cleaning professionals may suggest a specialist to take care of the job. Some duct cleaning companies automatically include sanitizing as part of their service, but otherwise sanitizing may cost an additional $100 to $250.
In-Duct Air Purifier
In-duct air purifiers are designed to catch allergens, dust, and pollutants before they are circulated throughout the home via the air ducts. This can greatly improve indoor air quality and is especially helpful for homeowners who have breathing issues or conditions such as asthma. Most in-duct filters cost about $40 to $60 apiece. A Minimum Efficiency Reporting Value (MERV) rating measures how effectively a filter can capture small particles. It’s recommended that filters for an in-duct air purifier have a MERV rating of 6 to 12.
HVAC Inspection, Cleaning, and Repairs
The inspector may suggest a video inspection to determine the condition of the home’s air ducts; this costs $70 to $130 and may be offered as part of an annual HVAC cleaning and inspection bundle. General HVAC service costs $75 to $200. Companies that clean air ducts will typically charge in one of three ways: a flat rate, per vent, or per square foot. Some air duct cleaning companies will have a package rate based on the total number of vents or square feet, and others will charge based on the individual needs of the HVAC system.
A furnace or air-conditioning unit may need to be repaired if an AC duct cleaning professional detects damage. The cost of a furnace tune-up or repair may be between $100 to $200 and the cost to repair an air-conditioning unit is $350 on average. If the air ducts are damaged, homeowners can expect to pay $200 to $800 in repair costs.
Dryer Vent Cleaning
Dryer vent cleaning is an important annual maintenance task as clogged vents are a fire hazard and can decrease the home’s energy efficiency. Many HVAC companies also maintain and install dryer vents, so it is typically possible to find a professional who offers both air duct and dryer vent cleaning services. Otherwise, one of the best dryer vent cleaning companies (such as Window Gang or Stanley Steemer) can also take care of this job. On average, dryer vent cleaning costs $100 to $170. This cost will be closer to $100 if the service is included with annual duct cleaning.
Types of Air Ducts
There is more than one type of air duct, and some varieties are easier to clean than others. It’s a good idea for homeowners to inform services of what kind of ductwork their home or building has and ensure that they know how to clean air ducts of this variety before hiring their services.
Flex
Flex ducts, which resemble dryer vents, are flexible pipes that are able to be fitted around plumbing and tight corners more easily than traditional ductwork. Flexible ducts can be cleaned, but because they are more delicate than regular ductwork they require the careful touch of a professional.
Rigid
Rigid ductwork is more expensive to install than flexible ducts, but it is also less prone to damage during cleanings. It is also the most common type of ductwork. For this reason, rigid ductwork tends to last longer than flex. Some common issues with rigid ductwork include moisture and mold accumulation, but these can be kept at bay with regular cleaning and inspections.
Fiberglass
Most common in commercial buildings, fiberglass-lined ductwork provides more insulation and noise reduction than other materials. In some cases, the fiberglass lining can begin to break down, which is an air quality hazard. However, regular vacuuming or power brushing by a professional should prevent this issue as well as other common problems like excess moisture.
Do I need air duct cleaning?
Many homeowners have a long list of home maintenance tasks. Those costs can add up, so it’s understandable that some may wonder, “Is air duct cleaning a waste of money?” While some homeowners might look for reasons to skip air duct cleaning, it’s recommended that HVAC duct cleaning be done as needed or if there is visible dirt, dust, debris, mold, insect infestation, or rodent droppings. The EPA supports residential air duct cleaning if the dust and debris are being released into the home.
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