Matt Kelly explains that one ERMI per floor usually works because HVAC mixes spores evenly, but heavier molds like Stachybotrys can concentrate locally. You still need an inspector to find contaminated materials, so skip per-room testing and go straight to inspection if your ERMI shows high toxigenic molds.
Foreign. Should I run an ermie on each floor of the home or one in each room? I get that question every once in a while, and I just did. Video number 165 is how does the ermie tell me where the mold is? Because when people want to run an ermie on each level or in every room, usually they're trying to determine where the mold is. So watch video post number 165 that talks about how the ERMI is a tool for determining if mold is a problem. It doesn't replace an inspection. But should you run an ERMI for every room or one on each floor? One on each floor is fine. If you have the budget for it, that can be helpful. I have clients that send me, you know, second story, main floor and basement. But here's the problem. Sometimes it shows where there's a bigger problem, but other times you can't tell because the air is so interchanged from H vac. So if it's not an extreme problem, and if it's. It works better with the most problematic molds like a Stachybotrys or cutomium that are heavier and stickier and don't tend to go as far like aspergillus and penicillin set. Sorry. Penicillium are lighter spores, so they travel more. So they're going to be more equaled out. Right. Because they're going through H Vac more. But you can find a big problem potentially. Like all of a sudden your stacky is like 100 in the basement, but it's only 17 on the main floor and four upstairs. Okay. So you're like, yeah, I imagine the stacky problems in the basement. So one per floor, that's fine if you have the budget and it can provide usable data. One per room? No, not usually. That's not usually going to help. If you're down to that point, you're going to be doing cavity testing. And I said this in video 165. Say you do an URMI in every single room. Say you do your ensuite and it comes up with a big problem. You got high versicolor or high stachy, high ketonium, high walimia, whatever it is, doesn't matter what it is. Any high mold, okay, it's in the bathroom, but I don't know whether I have to rip the shower out. I don't know whether I have to rip the vanity out. I don't know if it's under the toilet, if it's behind the mirror or if it's in this wall over here from wet towels and things. Okay, so you still need an inspection, you still need someone to find where it is. So that's why per room. No, per floor is a good option if you can do it. Otherwise you just stick with one Ermi for the whole house and get your 100 plus touch points. And if there are high levels of toxigenic molds, you're going to get an inspector in, you're going to show them this. You say I need need you to find where these are and then he's going to come in with the fine particulate meters, the moisture meters, the thermal imaging or instascope or whatever he does to find all these in his business and then he will hopefully find those sources for you. Get your remediation plan. You get your remediation done by a certified company and you're off to the races and your body's healing. Hope that helps.
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