Heal From Mold Articles

Evidence-first coverage of mold exposure, testing, remediation, recovery, and the equipment that actually helps — every claim sourced, every commercial interest disclosed.

Illustrative: The Washing Machine Nobody Suspected
Featured

Illustrative: The Washing Machine Nobody Suspected

ILLUSTRATIVE SCENARIO — not a real person. A composite about a musty kitchen with nothing visible, and the order of elimination that eventually finds it.

Marisol Devane Aug 21, 2026 2 min read
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Illustrative: The Rented Flat With the Bedroom Wall

Illustrative: The Rented Flat With the Bedroom Wall

ILLUSTRATIVE SCENARIO — not a real person. A composite showing the order things usually happen in when a tenant finds damp on a bedroom wall, and where it stalls.

Aug 21 3 min
Other People's Damp: Hotels, Rentals, and Staying Away

Other People's Damp: Hotels, Rentals, and Staying Away

You cannot fix a room you are in for three nights. What to check on arrival, what to ask for, and how to keep a musty room from following you home in your suitcase.

Aug 21 2 min
Small-Space Living and the Condensation Problem

Small-Space Living and the Condensation Problem

One room does everything: sleeping, cooking, drying, breathing. Why small spaces run damp, which surfaces show it first, and what the houseplant advice gets wrong.

Aug 21 2 min
Drying Laundry Indoors Without Soaking the Room

Drying Laundry Indoors Without Soaking the Room

A wet load holds litres of water, and an indoor airer puts all of it into the room. How to dry clothes inside without handing the walls the difference.

Aug 21 2 min
Airing Out a House You Are Trying to Keep Warm

Airing Out a House You Are Trying to Keep Warm

Ventilation and heating pull against each other all winter. How to get the air changed without heating the street, and why your boiler is not doing it for you.

Aug 21 2 min
What a Hygrometer Tells You — and the Number the Sources Disagree On

What a Hygrometer Tells You — and the Number the Sources Disagree On

A £10 hygrometer is the cheapest useful thing you can buy for a damp home. Two EPA pages give two different humidity targets — here is what each says.

Aug 21 2 min
The Ten-Minute Damp Check, Room by Room

The Ten-Minute Damp Check, Room by Room

A walk-through you can finish before the kettle boils: where damp shows up first in each room, what it means, and the point where it stops being your job.

Aug 21 2 min
Nine Renter Fixes That Need Nobody's Permission

Nine Renter Fixes That Need Nobody's Permission

Renting means you do not control the building. Nine changes to how you use the rooms — no tools, no landlord conversation, no deposit risk.

Aug 21 2 min
Mold And New Homes: The Questions We Get Asked
New build

Mold And New Homes: The Questions We Get Asked

How long until it settles, whether windows beat a purifier, what no smell means, whether ERMI is worth it, and whether any formaldehyde level is definitively safe.

Aug 13 4 min
New-Home Air Quality By Climate
New build

New-Home Air Quality By Climate

The same new building fails differently in five climates: wet framing, inward vapour drive, heat-accelerated off-gassing, ice damming, and a predictable wet season.

Aug 13 3 min
Special Cases: Renovations, Condos, High-Rises and ADUs
New build

Special Cases: Renovations, Condos, High-Rises and ADUs

Five building types shift the analysis. A renovation is the worst of both; a sealed high-rise removes your best intervention; a converted garage sits where moisture lives.

Aug 13 4 min
Five Mold Beliefs Worth Retiring
Awareness

Five Mold Beliefs Worth Retiring

New means clean, no smell means nothing there, HEPA handles it, a bad result means move, and symptoms name the cause. Each is reasonable, and each breaks in the specific case.

Aug 13 3 min
What Your Moisture Readings Should Say
Testing

What Your Moisture Readings Should Say

Wood moisture under 15%, humidity 30-50%, and anything over 19% is stop-and-investigate. What each threshold means, and why a clean reading is news about today only.

Aug 13 4 min
The DIY New-Home Walkthrough Inspection
Testing

The DIY New-Home Walkthrough Inspection

An hour and under $60 of equipment tells you more than any disclosure form. Eight places to check in order, and the six questions to put to the builder in writing.

Aug 13 4 min
Why Mold And New Buildings Both Trigger Mast Cells
Health recovery

Why Mold And New Buildings Both Trigger Mast Cells

Mold and formaldehyde have nothing in common chemically and converge on the same cell. Non-IgE triggering, the load model, TILT, and the three adjustments that follow.

Aug 13 6 min
The MCAS Diagnosis Controversy, Honestly
Health recovery

The MCAS Diagnosis Controversy, Honestly

Two frameworks share one name: strict consensus criteria and a broader symptom-and-response model. What each side is protecting, and what to do with a label whose meaning depends on who applied it.

Aug 13 4 min
What Mast Cells Actually Do, And What MCAS Means
Health recovery

What Mast Cells Actually Do, And What MCAS Means

Mast cells are sentries at your body's boundaries. What degranulation releases, why MCAS shows up in several organ systems at once, and the three diagnostic criteria stated precisely.

Aug 13 4 min
The New-Home Mold Decision Framework
New build

The New-Home Mold Decision Framework

Four questions in the order they matter: can you audit the water history, was it built dry, can you tolerate months of off-gassing, and what will you actually do about it.

Aug 13 4 min
Your First 90 Days In A New Home, Month By Month
New build

Your First 90 Days In A New Home, Month By Month

The highest-value moves cost nothing. Week 1 dilute and open everything, weeks 2–4 set the humidity band and baseline, month 2 filtration where you sleep, month 3 reassess honestly.

Aug 13 4 min
VOC and Formaldehyde Certifications Worth Looking For
New build

VOC and Formaldehyde Certifications Worth Looking For

TSCA Title VI is law; GREENGUARD, FloorScore and the rest are voluntary and cover different things. What each mark actually tests, what none of them promise, and where the premium is worth it.

Aug 13 4 min
New-Build Off-Gassing: The Timeline By Material
New build

New-Build Off-Gassing: The Timeline By Material

The three-to-six-month window is several curves at once. Solvents in days to weeks, flooring in weeks to months, engineered casework for months — and what to do in each phase.

Aug 13 4 min
Water Damage vs. New Construction, Side By Side
New build

Water Damage vs. New Construction, Side By Side

One risk is unknown and permanent, the other known and shrinking. The two exposures compared, where a new build can still lose, and the four checks that settle it for one address.

Aug 13 4 min
What A New Build Off-Gasses
New build

What A New Build Off-Gasses

Formaldehyde from engineered wood plus solvent VOCs from paint, adhesives and finishes. What is actually in the mix, why the TSCA Title VI cap matters, and the four things that reduce it.

Aug 13 4 min
Why Mold And New-Build Exposure Feel Identical
Am I sick?

Why Mold And New-Build Exposure Feel Identical

After one bad building you learn to read every symptom as mold — and that lesson gives you a confident wrong answer in the next one. Why the overlap happens and the three instruments that settle it.

Aug 13 4 min
What A Water-Damaged Building Actually Exposes You To
Am I sick?

What A Water-Damaged Building Actually Exposes You To

Not one substance but four: spores, fungal fragments, mVOCs, and sometimes mycotoxins. What each one is, how it is measured, and what actually reduces the exposure — in order.

Aug 13 4 min
Mold vs. VOCs: Two Problems That Feel The Same
Am I sick?

Mold vs. VOCs: Two Problems That Feel The Same

Mold and VOC exposure are chemically unrelated but produce nearly the same symptoms. Here is what each one actually puts in your air, the differences you can use, and why they need different filters.

Aug 13 5 min
Mold Is Not a Cleaning Problem — It Is a Moisture Problem
Awareness

Mold Is Not a Cleaning Problem — It Is a Moisture Problem

You cannot remove every mold spore from a building, and you do not need to. Mold only grows where there is water. Fix the water and you remove the reason mold is there at all. [EPA…

Aug 10 3 min
How to Choose a Mold Remediation Company
Remediation

How to Choose a Mold Remediation Company

Separate the inspector from the remediator, insist on the water fix, containment, and post-work verification. The questions to ask before you sign.

Aug 10 2 min
The Best Water Filter If You’re Chemically Sensitive
Comparison

The Best Water Filter If You’re Chemically Sensitive

Broad reduction with minimal added complexity. Why reverse osmosis is the sensitive person’s default, plus no-install and water-report-tuned options.

Aug 10 2 min
Mold Exposure Symptoms: What’s Established and What Isn’t
Am I sick?

Mold Exposure Symptoms: What’s Established and What Isn’t

The airway and allergy effects of damp buildings are well established; broader “mold illness” is contested. An honest split — and what to actually do.

Aug 10 3 min
How Much Does Mold Remediation Cost?
Remediation

How Much Does Mold Remediation Cost?

From a few hundred to five figures — driven by area, access, and the water source. What actually moves the price, rough ballparks, and how to get real quotes.

Aug 10 2 min
What Humidity Level Prevents Mold? The 30–50% Rule, Explained
Equipment

What Humidity Level Prevents Mold? The 30–50% Rule, Explained

Keep indoor relative humidity between 30 and 50% (never sustained above 60%) and mold loses its footing. Why the number works and how to hold it.

Aug 10 2 min
How to Document Mold for Your Landlord
Rental

How to Document Mold for Your Landlord

Dated photos, a written notice, and an independent test turn “I think there’s mold” into a record your landlord has to act on. Do it early and methodically.

Aug 10 2 min
Mold Detox: What the Evidence Actually Supports
Health recovery

Mold Detox: What the Evidence Actually Supports

The best-supported step isn’t a supplement — it’s removing the exposure. An honest split of what’s established vs clinician-directed, and how to be sensible.

Aug 10 2 min
The Best HVAC Filter for Mold Spores (MERV, Airflow, and the One Mistake)
Equipment

The Best HVAC Filter for Mold Spores (MERV, Airflow, and the One Mistake)

Your furnace filter is a whole-home spore trap — if the MERV is right. How to pick MERV 11–13, avoid strangling airflow, and why a filter can't touch VOCs.

Aug 10 3 min
ERMI vs HERTSMI-2: What the Dispute Is Actually About
Testing

ERMI vs HERTSMI-2: What the Dispute Is Actually About

ERMI is an EPA research tool sold commercially; HERTSMI-2 is a clinical re-entry gauge. What each measures, where the disagreement really sits, and a sane way to test.

Aug 10 3 min
Can You Save Clothes After Mold Exposure? What to Wash, What to Toss
Remediation

Can You Save Clothes After Mold Exposure? What to Wash, What to Toss

Most washable clothes are salvageable if you act early: hot water plus a mold-capable cleaner, dried fully. What to toss, and how to keep the closet from re-molding.

Aug 10 2 min
Does Bleach Kill Mold? No — and Here's Why It Often Makes It Worse
Remediation

Does Bleach Kill Mold? No — and Here's Why It Often Makes It Worse

Bleach can't reach mold in porous materials and leaves behind the water mold needs. What the EPA actually recommends, and safer cleaners that work.

Aug 10 2 min
Musty Smell but No Visible Mold? Here's What That Actually Means
Is this mold?

Musty Smell but No Visible Mold? Here's What That Actually Means

A musty smell with nothing visible is mVOC gas from active, hidden mold. Where it hides, why 'I can't see it' isn't reassurance, and how to find the source.

Aug 10 2 min
The Best Dehumidifier for a Basement or Crawl Space
Equipment

The Best Dehumidifier for a Basement or Crawl Space

Mold is a moisture problem. Size up, drain continuously, hold 45–50% RH. The right basement and crawl-space dehumidifiers — and why capacity and drainage matter most.

Aug 10 2 min
Does AirDoctor Remove Formaldehyde? What Its Filters Can and Can't Do
New build

Does AirDoctor Remove Formaldehyde? What Its Filters Can and Can't Do

AirDoctor's HEPA stage does nothing for formaldehyde, and its thin standard-carbon layer isn't built to hold it. When AirDoctor fits — and when you need a dedicated carbon unit.

Aug 10 2 min
Is Moving Into A Brand New Home The Right Move?
New build

Is Moving Into A Brand New Home The Right Move?

A newly built home is one of the few situations where a mold-sensitive person gets to start from a clean slate — no unknown history of roof leaks, no decade of quiet condensation i…

Aug 10 9 min
HEPA vs Carbon: Why Your Air Purifier Isn't Helping With Mold Smell or VOCs
Equipment

HEPA vs Carbon: Why Your Air Purifier Isn't Helping With Mold Smell or VOCs

HEPA filters capture particles; the musty smell and new-build sting are gases. Here's when you need carbon — and why formaldehyde needs impregnated carbon, not HEPA.

Aug 10 3 min
The Best Mold Test Kit: What Each Type Actually Tells You
Testing

The Best Mold Test Kit: What Each Type Actually Tells You

“Best mold test kit” is the wrong question. Petri plates, swabs, and dust-index tests answer different questions — here's which kit to buy for your situation.

Aug 10 2 min
The Best Air Purifier for Mold in 2026 (It Depends on Your Actual Problem)
Equipment

The Best Air Purifier for Mold in 2026 (It Depends on Your Actual Problem)

Spores need HEPA; the musty smell and new-build sting need heavy carbon. How to pick the right air purifier for mold in 2026 — by the problem you actually have.

Aug 10 3 min

Sources & Research

Primary public-health sources we cite throughout the site, reproduced for reference. These are official agency and encyclopedic materials — not our own articles.

EDUCATIONAL CONTENT — NOT MEDICAL ADVICE

Heal From Mold provides education about mold exposure, related illness, and recovery. Nothing here is medical advice, a diagnosis, or a treatment plan — always work with a qualified clinician for health decisions. Where the science is contested, we say so in the text rather than smoothing it over.

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