Guide
Why does a washing machine smell?
Washer odors usually come from retained moisture, detergent residue, soil, mildew, or debris, so cleaning routines should match the machine design and manufacturer instructions.
At a glance
- Common cause
- Moisture plus residue can support odors and microbial growth
- Detergent
- Using more than recommended can leave residue rather than improve cleaning
Overview
Front-load and high-efficiency washers use less water than older designs, which can make detergent overuse and retained residue more noticeable. Door gaskets, dispensers, filters, drains, and the tub can hold moisture and organic material. The right cleaning process depends on the washer model.
Clean the moisture traps
Inspect and clean accessible door gaskets, dispensers, detergent drawers, filters, and foreign-object traps according to the manual. Run the manufacturer's cleaning cycle with the recommended cleaner or procedure rather than mixing household chemicals.
Change the routine
Use the correct high-efficiency detergent when required, measure it for load and water conditions, remove wet laundry promptly, and allow the drum and gasket to dry between loads when the manufacturer recommends leaving the door ajar.
Sources and review
MOOR's explanatory text is supported by the following source links.
- Clothes Washers — ENERGY STAR
- Laundry — U.S. Department of Energy