How do I know if high indoor humidity is actually a problem?
Homeowners seeing high humidity or moisture meter readings often struggle to tell if it indicates a serious issue requiring action. Without a reliable way to identify the root cause, they worry about wasting money on the wrong fixes or hiring biased contractors trying to sell unnecessary repairs.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
- 1Buying a stand-alone dehumidifier
- 2Getting a crawlspace encapsulated and adding a dehumidifier
- 3Planning to clean out gutter guards
- 4Using a small counter top humidifier in the winter
- 5Wondering about installing a whole-house dehumidifier
- 6Wondering if a home energy auditor is the right kind of contractor
In their words
Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.
“I'm wondering if there's some kind of contractor who would look at my house systematically, identify the root cause, and provide recommendations for remedying.”source ↗
“we're having issues narrowing down what's the problem.”source ↗
“I'm worried about throwing a lot of money into one thing, and it not remedying the humidity or focusing on the wrong thing.”source ↗
“I'm looking for someone who would just do an audit/inspection and not try to sell anything, so I know they don't have a conflict of interest!”source ↗
Where this came up
People with this problem also raised
- 17Why is my AC not lowering indoor humidity?
- 2Do I need crawlspace encapsulation for high humidity?
- 7How to stop mold and high humidity ruining a basement
- 2Why is condensation causing mold and ruining my appliances?
- 7Is the black stuff in my air conditioner mold or dust?
- 3Can I insulate and finish basement walls if they get damp?