How do I test my home for mold?

Author: Rosie Hyatt  |  Last update: Tuesday, February 11, 2025

It's best to hire a professional mold inspector for accurate results. They have the experience and equipment such as digital moisture meters, hygrometers, infrared cameras, and borescopes, to detect and identify mold growth, and DIY kits may be unreliable.

How do you detect mold in your house?

If You Suspect Mold in Your House or Apartment…
  1. Discolored areas on walls, ceilings, and moldings.
  2. Ventilation ducts and plumbing lines.
  3. Behind moist or peeling wallpaper.
  4. Carpeting and fabrics with recent water exposure.
  5. Around leaky windows, window frames, and the wallboard around windows.

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.

Can you test yourself for mold exposure at home?

There is no way to determine, in a home test, if mold is DANGEROUS. Only an expert can visibly inspect, determine where to test, and interpret those results in a meaningful way. A homeowner can buy a swab test at a Home Depot. It will tell you what species are present.

Is there a device that detects mold in the air?

In the same way that smoke detectors identify smoke, not fire, the Biomatrix Mold Monitor identifies unseen moisture that can lead to widespread mold growth.

How To Test For Mold In Your Home | Best DIY Mold Test Kit to Use | Mold Testing

How to tell if mold is behind walls?

How to Detect Mold in Walls
  1. Water stains.
  2. Dark rings.
  3. Discoloration.
  4. Deterioration like peeling, bubbling, or cracking of the paint or wallpaper.

Can air purifiers detect mold?

Furthermore, mold can grow and spread quickly, and air purifiers are unable to stop its growth since they lack detection capabilities. Therefore, the most effective air purifiers may be able to reduce the amount of mold spores floating in your home, but they won't eliminate them entirely.

How do I permanently get rid of mold in my house?

Spray the area with a mixture of water and vinegar - half water, half vinegar. Next, scrub to remove all traces of the mold. For removal of black and white mold, spray the area with the half water and half vinegar solution.

Are home mold test kits accurate?

In conclusion, home air mold tests are mostly inaccurate. Even if the DIY test kit shows that you have a problem, it could be a result of natural spores that are always present in the environment, and as such, you can't use them to make informed decisions on mold remediation.

How much does a mold inspection cost?

In his California market, the cost can range from $275 for a simple visit to $2,900 for a complex inspection. For homes under 4,000 square feet, Angi estimates the average cost is generally between $300 and $400, whereas larger homes may see prices between $700 and $1,000.

How to tell if your house is toxic?

If you suspect your asthma worsens or is more severe than usual, contact your doctor or medical professional.
  1. Bad Smells In The Home. When there's a bad smell in the home, you can tell. ...
  2. Peeling Wallpaper. ...
  3. Spots On The Wall. ...
  4. Bad Allergies Won't Go Away. ...
  5. Visible Mold Growth. ...
  6. Past Water Damage.

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.

What does black mold smell like?

Black mold has a distinct smell. It's often described as musty and earthy and may even smell like rotting vegetables, plants, or paper. Some think it smells like cedar.

What are the symptoms of living in a house with mold?

“For people with intact immune systems, mold can cause—or worsen—allergic reactions and asthmatic symptoms, such as shortness of breath, wheezing, and coughing,” Johnson-Arbor adds. “Fungal infections, which can involve the blood, brain, lungs, or other organs, are more common in people with weakened immune systems.”

Is mold testing worth it?

Mold is a serious problem, and spotting mold contamination before it grows out of control can save you thousands of dollars. This makes the cost of a mold inspection well worth a few hundred dollars when you are buying a new house. Mold testing, however, is not really worthwhile.

Does homeowners insurance cover 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.

Can I do a mold test myself?

Mold testing kits are available at most home improvement stores or online retailers, although not all tests are the same. There are some kits that only test for the presence of mold on surfaces, while others collect or grow samples of the mold that may be in your home.

Will mold fail a home inspection?

Home inspectors are not looking outright for mold when going over a property. Yet, if the history of the home includes water damage, more than likely an inspector will make it part of their inspection.

Is there a home air test for mold?

The two most common methods used to identify a mold problem are mold test kits or air testing sensors. These kits include the necessary air test devices, chemical strips, or Petri dishes and are available at department stores or online. They'll also come with an instruction manual for any brand-specific guidelines.

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.

What are symptoms of black mold exposure?

The most common symptoms of black mold exposure include:
  • Sneezing.
  • Coughing.
  • Nasal congestion.
  • Postnasal drip.
  • Red eyes.

Can a house with mold be saved?

Indoor mold growth can and should be prevented or controlled by controlling moisture indoors. If there is mold growth in your home, you must clean up the mold and fix the water problem. If you clean up the mold, but don't fix the water problem, then, most likely, the mold problem will come back.

How to test for mold inside walls?

Dip a clean cotton swab into a diluted bleach solution and dab it on your wall. If the area brightens after a while, it is mold. Dirt/dust won't react with bleach. It is mold if you smell something earthy, damp, or musty.

Does the air doctor remove mold?

AirDoctor's advanced 3 stage filtration system is powerful enough to capture mold spores in your air and to help you breathe easier.

How do I know if there is mold in the air?

Your house has a musty odor. Molds emit mVOCs, which have a smell that is frequently referred to as "musty." Even though the physiological effects of mVOCs are not well understood, they have been connected to nausea, migraines, exhaustion, nausea, and sinus inflammation.

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