How much does air duct cleaning cost in Pennsylvania?

Updated November 10, 2026 · KeystoneProGuide editorial team

What does air duct cleaning cost?

The U.S. Environmental Protection Agency (EPA) says air duct cleaning typically, but not always, costs $450 to $1,000 per heating and cooling system. The industry's trade association, NADCA, gives the same range for an average-sized home. Consumer cost sites mostly come in lower: Angi and HomeAdvisor both report that most homeowners pay $271 to $509.

None of the sources below publishes a figure for Pennsylvania on its own, so every number in this guide is a national one, given the way its publisher gives it.

Some notes on reading the table. Angi says its average rests on 21,664 projects reported through its contractor network, and HomeAdvisor says its data comes from a survey of more than 10,000 customers. The two publish identical figures, so count them once. Fixr's $500 average is for a 2,000-square-foot home. Forbes Home says it drew on one contractor, nine cost databases and two government sources. This Old House attributes its range to NADCA.

The EPA's figure is per system, and NADCA lists the number of systems in the home as a price factor. If your house has two, ask how the second is priced.

How do companies work out the price?

HomeAdvisor lists four pricing models: a flat fee plus a charge per vent, a charge per vent, a trip fee plus a charge per vent, and a charge per square foot of the home.

• Per vent. Angi and HomeAdvisor put the typical charge at about $35 a vent, with most between $25 and $50. Fixr says returns can run up to $75. HomeGuide and This Old House both give $25 to $50 for a supply vent and $40 to $75 for a return.
• Per square foot. Angi, HomeAdvisor and Forbes Home give $0.15 to $0.30. Fixr gives $0.15 to $0.35, This Old House $0.15 to $0.40 and HomeGuide $0.20 to $0.40. For a 2,000-square-foot home the publishers' own tables show $300 to $600 (Angi), $300 to $700 (Fixr) and $400 to $800 (HomeGuide).
• Per hour. Angi, HomeAdvisor and HomeGuide give $90 to $125 an hour. Fixr and Forbes Home give $90 to $130.

What pushes the price up or down?

The EPA names five things: the services offered, the size of the system, how accessible it is, the climatic region and the level of contamination. NADCA adds the type of ductwork, the number of systems, the square footage and the number of technicians needed.

Duct material matters too. Angi says rigid metal ducts cost less because they clean easily, while flexible ducts need special equipment and push a job toward the top of the range.

What extras are you likely to be offered?

The surveys list a number of add-ons that are priced on top of the base job:

• Dryer vent cleaning. $100 when bundled or $100 to $170 on its own (Angi and HomeAdvisor), an average of $140 extra (Fixr), or $40 to $100 as an add-on (Forbes Home).
• Video inspection. $70 to $130 (Angi), $70 to $150 (Fixr) or $75 to $150 (Forbes Home).
• Furnace cleaning. $60 to $150 per furnace (Angi and HomeAdvisor).
• Sanitizing or coating. $75 to $150 for sanitizing (Forbes Home) and $180 to $630 for a duct coating (Angi). The EPA says research has not demonstrated the effectiveness of biocides and sealants in duct cleaning, and it does not recommend the routine use of sealants.
• Pest removal. $200 to $1,200 (Angi, HomeAdvisor and Fixr) or $150 to $600 for rodent removal (HomeGuide).
• Mold remediation. $1,100 to $3,400 (Angi and HomeAdvisor), $1,000 to $5,000 (Fixr), $1,100 to $5,000 (Forbes Home) or $2,000 to $10,000 (HomeGuide).

Mold is the most expensive line on that list, and it is the one the EPA is most careful about. It says a substance that looks like mold can be positively identified only by an expert, and that for about $50 some laboratories will test a sample you send in on a strip of clear tape. Ask to be shown the mold before you agree to pay for its removal.

Is a $99 whole-house special real?

Treat it with caution. NADCA tells homeowners to avoid advertisements for $99 whole-house specials. It says extremely low-cost offers often cover only limited portions of the system and may leave out the air handler, blower fans, coils, registers or the access openings needed to do the job.

State attorneys general have documented where such offers lead. In New Jersey, a court ordered two duct cleaning companies to pay more than $1.7 million in civil penalties after the state alleged that coupons priced from $37.95 to $69.95 were used to bait buyers into higher-priced services. In Washington State, a mailed coupon for $29 to $55 did not disclose that only half of the heating and cooling system was included. New Jersey's consumer affairs director advised anyone buying on a coupon to get the total price in writing before the job starts.

How do you compare two quotes fairly?

• Get at least three written estimates. That is the EPA's advice, along with asking each company to show you the contamination that would justify the work.
• Check that each quote covers the same things. The EPA says duct cleaning generally means the equipment as well as the ducts: registers, grilles and diffusers, heat exchangers, coils, drain pans, the fan and the air handling unit. A quote that leaves parts out cannot be compared with one that includes them.
• Ask how the price is built. Per vent, per square foot or per hour, and how many vents, returns and systems were counted.
• Get the extras priced in advance. Ask what any add-on would cost before anyone arrives.
• Insist on a written agreement. The EPA says it should set out the total cost and the scope of the job before work begins.

Should you be spending this at all?

Possibly not. The EPA does not recommend that air ducts be cleaned routinely, only as needed, so the first quote to question is the one for a job nobody has shown you a reason for.

If the work is needed, how to choose an air duct cleaning company covers credentials, and what Pennsylvania requires of contractors explains how to check a registration. Businesses that offer the service are listed on the air duct cleaning directory page.

Sources

1. Should You Have the Air Ducts in Your Home Cleaned?, U.S. Environmental Protection Agency
2. Cost & Time Estimates, National Air Duct Cleaners Association (NADCA)
3. FAQs, National Air Duct Cleaners Association (NADCA)
4. How Much Does Air Duct Cleaning Cost? [2026 Data], Angi
5. How Much Does Air Duct Cleaning Cost in 2026?, HomeAdvisor
6. How Much Does Air Duct Cleaning Cost? [2026 Data], Fixr
7. How much does air duct cleaning cost?, HomeGuide
8. How Much Does Air Duct Cleaning Cost? (2026 Pricing), This Old House
9. How Much Does It Cost To Clean Air Ducts?, Forbes Home
10. NJ Division of Consumer Affairs Prevails in Suit Against Duct Cleaning Companies, New Jersey Office of the Attorney General
11. Judge orders $10 million in penalties for AG Ferguson's robocall lawsuit, Washington State Office of the Attorney General