Answers
Straight answers about mold, moisture and the air in your home.
Find your situation below. Each answer tells you what is going on, what it usually costs and when to call someone. The step-by-step fixes live in the Library.
Problems & Symptoms
- AC Drain Pan Overflow or Slime
- Attic Mold on Roof Sheathing
- Attic Smells Musty
- Basement Smell After Rain
- Basement Smells Musty
- Bathroom Fan Venting into Attic
- Bathroom Smells Musty After Shower
- Black Spots on Bathroom Ceiling
- Carpet Smells Musty After Leak
- Condensation in Attic
- Crawlspace Smell Entering the House
- Crawlspace Smells Musty
- Dishwasher Leak Causing Odor
- Ductwork Smells Moldy
- Hidden Mold Behind Walls
- Mildew Smell When AC Turns On
- Mildew Smell in Living Room
- Mold After Flooding
- Mold Around Shower or Tub
- Mold Behind Cabinets
- Mold Behind Refrigerator
- Mold Keeps Coming Back in the Same Spot
- Mold Smell but No Visible Mold
- Mold Under Sink
- Mold in Closet
- Mold in Crawlspace
- Mold in Finished Basement
- Mold in HVAC System
- Mold on AC Evaporator Coil
- Mold on Basement Walls
- Mold on Bathroom Ceiling
- Mold on Couch or Upholstered Furniture
- Mold on Crawlspace Joists
- Musty Smell Near Couch or Rug
- Musty Smell When AC Turns On
- Musty Smell in Bedroom
- Musty Smell in Bedroom at Night
- Musty Smell in Closet / Clothes Smell Musty
- Musty Smell in Living Room With No Visible Mold
- Poor Roof Ventilation
- Roof Leak with Ceiling Stains
- Soft or Bubbling Drywall Near Baseboards
- Symptoms Improve When Away From Home
- Symptoms Only at Home / Only at Night
- Utility Room Smells Musty
- Washing Machine Leak or Odor
- Water Stain Appeared on Ceiling
- Wet Drywall After Leak
Air Quality & Monitoring
- The Only Air Numbers Worth Watching (and Their Targets)
- Choosing an Air Quality Monitor Without Getting Ripped Off
- PM2.5: The Particles That Matter Most
- Humidity: The One Dial That Controls Mold
- Radon: The Invisible Risk Worth Testing For
- Wildfire Smoke and Your Indoor Air
Fix It Right
- The Monitor My Air Method: Fix It in the Right Order
- Step 1: Stop Air From Leaking In
- Step 2: Control Water at the Walls and the Ground
- Step 3: Dehumidify, The Step Everyone Skips
- Step 4: Fix the Attic and Ventilation, Not Just the Unit
- Step 5: Deep-Clean Every Surface the Right Way
- Step 6: Maintain It So It Doesn't Come Back
- DIY or Call a Pro? How to Decide
Health & Your Environment
- Why You Feel Better When You Leave the House
- Damp Homes and Asthma: What the Evidence Actually Shows
- Mold and Your Immune System: An Honest Look
- "Mold Illness" and CIRS: What's Proven and What Isn't
- Brain Fog and Your Home: Sorting Real Causes From Hype
- Is It Mold, Allergies, or Something Else?
- Kids, Damp Homes, and Breathing Problems
- What a Doctor Can (and Can't) Test For
- Autoimmune Symptoms and Your Environment: Where to Start
- How Indoor Air Affects Your Sleep
- VOCs: The Chemicals You Smell and How They Make You Feel
- CO2 Indoors: Why a Stuffy Room Makes You Foggy
Choosing Help
- How to Vet a Mold Inspector
- Inspection vs. Investigation: Why Most Reports Miss the Cause
- Questions to Ask Before You Hire a Remediator
- What the IICRC S520 Standard Means for Your Job
- Red Flags and Scams to Avoid
- Choosing a Doctor When You Think It's Your Environment
Building Science
- How Your House Handles Moisture
- Dew Point and Condensation, Explained Simply
- The Stack Effect: Why Air Moves Through Your Home
- Negative Pressure and Backdrafting
- Why Brand-New Homes Get Mold Too
- Ventilation Basics: Getting Fresh Air Without Wrecking Your Air
Tools & Checklists
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A free 15 minute call. Tell us what is going on and we will tell you, plainly, what you need and what you do not.