Hot water is known for its germ-killing power, its ability to dissolve grease, and its effectiveness in disinfecting household items — far more so than cold water. In the following guide, you’ll find out when and how to use hot water for cleaning different home items like clothing, bedding, kitchen tools, and more.
Note: Hot water at 60°C (140°F) or higher effectively eliminates most household bacteria and germs.
✅ When Hot Water Works Best
1. Towels
Towels absorb moisture and can easily harbor bacteria. Washing them in hot water eliminates lingering odors and germs, while helping retain their softness and durability.
2. Bed Linens & Blankets
Sweat and body oils build up on sheets and comforters over time. Hot water is best for removing dust mites and bacteria, giving your bedding a fresh, clean feel.
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Blankets, especially, benefit from hot water washes to eliminate pet dander, dust, and accumulated odors.
3. Underwear
Wash underwear in hot water at a minimum of 54°C (130°F) to kill up to 99.9% of bacteria and remove tough stains such as sweat or menstrual blood.
⚠️ Always check the care labels — delicate fabrics may require cooler water.
4. Kitchen Sponges
5. Reusable Cleaning Cloths
Microfiber cleaning cloths trap dirt efficiently without chemicals. Washing them regularly in hot water keeps them clean and effective while extending their lifespan.
6. Bathroom Rugs
Hot water washing helps remove mildew, mold, and bad odors, especially in moisture-heavy environments. Regular cleaning also extends their usability.
7. White Clothes
To maintain brightness and remove stains, hot water is ideal for white garments.
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Separate whites from colors
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Pre-treat stains
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Follow care instructions for temperature
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Air dry in the sun to prevent shrinkage or fading
8. Dish Towels
Dish towels come into frequent contact with food and surfaces. Washing them in hot water helps disinfect and prevent germ spread in your kitchen.
Always dry thoroughly after washing.
9. Shower Curtains
Soap scum and mildew build up due to constant moisture. Clean the curtain with hot water to remove bacteria and residue.
10. Oven Mitts
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Mix 1 gallon of hot water with ½ cup mild detergent
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Soak for 15 minutes
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Gently scrub, rinse well, and air-dry completely before storing
11. Pet Bedding
Pet beds collect hair, dirt, and odors.
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Remove covers and excess fur
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Machine-wash at high heat (140°F) with mild detergent and vinegar
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For handwashing, soak in hot soapy water, rinse well, and dry thoroughly
12. Mops
After cleaning dirty floors, mops need regular hot water cleaning to prevent bacteria spread.
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Let them air-dry fully
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Replace when worn
13. Table Linens
Tablecloths and placemats attract stains, spills, and dust.
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Pre-treat stains
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Wash with hot water and mild detergent to restore freshness
⚠️ When NOT to Use Hot Water
❌ Delicate Fabrics
Hot water may cause shrinkage, color fading, or even set certain stains (like blood).
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Always check care labels
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Reserve hot water for white, greasy, or heavily soiled items
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Use cold water for delicates, colored fabrics, and protein-based stains like milk or eggs
❌ Windows & Mirrors
Hot water evaporates quickly, leaving streaks behind.
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For best results: use cool to lukewarm water with a small amount of vinegar or window cleaner
🧼 Pro Tip
Use hot water wisely — it’s a powerful cleaning agent when applied to the right materials and tasks. Always balance temperature with fabric care and product recommendations to avoid damage while maximizing cleanliness.
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