How much does it cost to remove mold from HVAC system?

Author: Mrs. Taya Fahey  |  Last update: Sunday, June 1, 2025

HVAC or air ducts The cost to remove mold from an HVAC system is $2,000 to $10,000, depending on the system type and whether the mold has spread into the ductwork.

How much does HVAC mold remediation cost?

HVAC System Mold Remediation Cost

The average mold remediation cost for an air conditioner air duct system is $1,000–$2,000. The average cost of mold remediation for an HVAC system starts at $2,000 and can go up to $8,000, depending on the severity of the issue.

Can you remove mold from HVAC?

Turn off the HVAC, wear protective gear, and vacuum the ducts. Clean mold with a bleach solution, apply a mold inhibitor, and dry the ducts completely. Replace the air filters and keep an eye out for mold. Call a pro if necessary.

Does homeowners insurance cover HVAC mold?

Homeowners insurance doesn't usually cover mold damage or removal unless it's the result of a covered peril. If the mold in your residence was caused by something sudden or accidental, such as a bursting pipe or some other covered incident on your policy, you may be protected.

Is professional mold removal worth it?

In most cases, professional mold removal is well worth the costs. First of all, it keeps you from exposing yourself to any safety risks. Since you won't be in the room while the mold is cleaned up, you don't have to worry about inhaling any problematic spores.

MOLD in HVAC System or Ductwork!

How much does Servpro cost to remove mold?

Servpro Mold Remediation

ft., or $1,500 to $10,000 per treatment, depending on the job size, location, mold severity, and other factors.

What are signs of mold sickness?

Although symptoms can vary, the most common symptoms seen in people exposed to mold indoors include:
  • Nasal and sinus congestion.
  • Eye irritation, such as itchy, red, watery eyes.
  • Wheezing and difficulty breathing.
  • Cough.
  • Throat irritation.
  • Skin irritation, such as a rash.
  • Headache.

How long does mold remediation take?

Most mold remediation, or removal, projects take between one and five days. The timeline and scope of the work depend on how much mold there is, what it's growing on, and where it's located. In particular, the cost and time it takes to remove the mold go up when the infestation is in hard-to-access areas.

Can mold travel through HVAC?

However, mold can also be found growing in other areas, including inside the HVAC system. Mold in air ducts is especially concerning because the system will spread mold spores throughout the property as the air is being circulated.

Will home insurance pay for HVAC?

Homeowners insurance covers HVAC systems when the damage is a result of a covered disaster or peril, including high winds, fallen trees, theft, hail or even a fire.

Who cleans mold out of air ducts?

Your local Aire Serv can identify the root cause and stop mold from re-infiltrating your HVAC air ducts with tools like dehumidifiers. Our service professionals are dedicated to keeping your home's air healthy and your HVAC working its best with air duct cleaning, installation, and repair services you can rely on.

How common is mold in HVAC?

Is mold in your HVAC system bad for you? Yes and no. But it is a common complaint. This complaint is so common because mold is always present in your buildings and your HVAC system to the extent that it is present in your building's environment.

How much to replace ductwork?

Home Size: Installing ductwork in a small 1,000-square-foot home can cost as little as $1,400. In a 2,000- to 3,000-square-foot home, it can cost from $2,800 to $6,700, while the same project in a 4,000-square-foot home can cost as much as $9,000. ¹

How much does professional mold removal cost?

Mold Removal Cost Per Square Foot

The majority of mold remediation professionals charge around $12 to $27 per square foot. So, if you have a 120 square-foot surface, expect to pay between $1,200 to 2,700. Remember that the location and extent of mold infestation affect the costs of cleaning.

What kills 100% of mold?

Hydrogen peroxide, commonly used to disinfect wounds, is active against a wide variety of micro-organisms including mold. It acts by releasing oxygen at a rapid rate, which kills mold by oxidizing the surface and breaking down proteins and DNA.

How do I get rid of mold in my HVAC system?

Turn off the HVAC, wear protective gear, and vacuum the ducts. Clean mold with a bleach solution, apply a mold inhibitor, and dry the ducts completely. Replace the air filters and keep an eye out for mold. Call a pro if necessary.

How much does it cost to remove mold from air ducts?

Like HVAC systems, air ducts often require special cleaning to ensure all airborne spores are removed. It typically costs $600 to $2,000 to remove mold from air ducts. You can schedule regular air duct cleanings to help prevent mold growth, which usually costs between $275 and $500.

Can mold in HVAC make you sick?

Mould can be a cause for concern anywhere in your home, but it's especially worrying when it's being spread around the room by your air conditioner. Mould growing in your air conditioner can have a wide range of effects, ranging from mild symptoms to serious illness.

Does home warranty cover mold in HVAC?

But for everything that a home warranty does and can cover, mold isn't one of them due to its classification as a hazardous material. So, if you've got a mold issue, you'll have to hire someone to take care of it.

Does homeowners insurance cover mold?

The wording in a homeowner's insurance policy is often vague, and coverage details for mold remediation may not always be clearly outlined. In general, however, coverage for mold damage is excluded, unless the mold is due to unforeseen water damage—a covered claim.

Who pays for mold remediation?

If there is a covered condition that the homeowner's insurance policy covers that causes mold, then the insurance company will cover mold remediation. Excess water from a natural cause like a roof leaking after a rain storm is usually covered by a homeowners insurance policy.

Can you stay in home during mold remediation?

It's possible, though experts advise finding another place to stay since crews will need to make adjustments to your living space. The remediation process will affect not only your health but also your comfort level. HVAC equipment like heaters, air ducts, and air conditioners may have mold growing within them.

Can mold behind walls make you sick?

It irritates the nose and throat, which can lead to both sneezing and coughing as your body tries to get rid of the irritant. Inhaling mold spores can also trigger coughing in people with allergies or an asthma attack, for those with asthma.

Can you clean up mold yourself?

Scrub mold off hard surfaces with detergent and water, and dry completely. Fix plumbing leaks and other water problems as soon as possible. Dry all items completely. Absorbent or porous materials, such as ceiling tiles and carpet, may have to be thrown away if they become moldy.

Can you go to urgent care for mold exposure?

Once the source of mold is uncovered and cleaned, you should seek medical treatment– whether or not you have begun to develop symptoms. If your symptoms are mild to moderate, visiting an urgent care center is a great option to receive same-day diagnosis and care.

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