Blue RidgeMold Testing

Indoor air quality testing for Upstate homes

For when something feels wrong but you can't see the problem. We sample your indoor air and compare it to the air outside to find out whether a hidden mold source is affecting your home.

Good reasons to test your air

  • Allergy, sinus or breathing symptoms that are worse at home
  • A persistent musty or earthy smell with no visible source
  • A past leak that was repaired, and you want to know it didn't leave a problem behind
  • A new baby, an older family member, or someone with a weakened immune system in the home
  • Moving into a home or apartment that sat closed up

How air testing works

We place a calibrated sampling pump in the rooms of concern and draw a measured volume of air through a spore trap cassette. The same is done outdoors. The lab counts and identifies the spores in each sample. When indoor counts are much higher than outdoors, or when the indoor mix is dominated by types that aren't showing up outside, it points to an indoor source.

Relative humidity matters too. Indoor humidity that stays above about 60 percent supports mold growth, and we'll note it in your report.

What air testing can't do

Air testing is a snapshot. It can't diagnose a medical condition and it can't see inside every wall. That's why we pair sampling with moisture checks and tell you plainly how confident we are in the result. If your symptoms are significant, please talk with your doctor as well.

Common questions

What's a normal mold spore count indoors?
There is no single normal number. The EPA has not set federal limits for indoor mold. Results are judged by comparing indoor samples to an outdoor control taken the same day, and by looking at which types of spores are present.
Can you test for black mold?
Yes. The lab identifies spore types, including Stachybotrys, the mold most people mean by black mold. Many dark-colored molds are not Stachybotrys, which is why lab identification matters.
Do you test for VOCs, radon or formaldehyde?
Our focus is mold and moisture. Ask us when you call, and we'll let you know what we can add or who we'd recommend.

Find out what's in your air.

Tell us what's going on and we'll recommend the right test. Most appointments are scheduled within a few days, and lab results come back in 2 to 3 business days.

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