Diagnostic Guide
Why Does My Garage Smell Musty?
A musty garage odor can come from damp storage, humidity, vehicle water, leaks, slab moisture, or a drain. Use timing and location to narrow it down.
SmellMoisture
Home system
Garage problem guides
Garage-specific moisture, odor, door, slab, and equipment problems. Start with a symptom or use the Problem Finder when you are not sure which guide fits.
Use the Problem FinderPublished guides
Start here
Safety Reference
Why Is There Water Under My Water Heater?
Water under a water heater may come from a connection, drain or relief valve, condensate, another fixture, or the tank itself. Learn what the location suggests.
LeakingMoistureHeat