What happens if you wash at thirty instead of sixty

Short answer: Power use is halved, colour lasts longer and the elastic lives longer. Clothes come out just as clean from normal dirt. So it is a change where you save and take better care of your clothes at the same time.

Power is halved

Over eighty percent of the usage goes to heating the water, and half the temperature means roughly half the power. That is the most direct gain from turning it down. It applies whether you wash bamboo tops for women or anything else, because it is the water that must be heated.

Colour lasts longer

Heat loosens dye from the fibres, and at thirty degrees this happens much more slowly. Every hot wash takes a little colour with it, and after many washes it shows as a faded look. You see it clearly on dark items such as socks for women, which otherwise soon turn greyish.

Elastic lives longer

Elastane breaks down faster at high temperatures, so waistbands last twice as long with cold washing. The elastic often gives up first, long before the fabric itself is worn. This is especially true for a bamboo bra, where the fit depends on the elastic holding its shape.

Clothes get clean

Many believe clothes only get clean at high temperatures, but for normal dirt modern detergents are enough at thirty degrees. Everyday clothes worn for a day mostly contain sweat and skin oils, and a cold wash handles that well. The detergent does the work, not the heat.

When to wash hotter

There are times when sixty degrees is the right choice. With illness in the home or heavy dirt, temperature makes the difference. These are exceptions, not everyday laundry. Wash the rest cold and use the hot wash on purpose when there is a clear reason.

Clothes last longer

When colour and elastic last longer, the garment as a whole lasts longer too. Colour and elastic typically last one and a half to two times as long with cold washing. You replace clothes less often, and they look good for longer. That is a gain beyond the power bill.

Wash inside out

To treat your clothes even better, turn them inside out before washing. It protects the surface and colour from friction in the drum. Close zips and hooks so they do not catch on other items. These small habits, together with the cold wash, help clothes last longer.

One simple change, several gains

Washing at thirty instead of sixty is one of the easiest changes you can make. Power use is halved, colour holds, elastic lasts longer and clothes come out just as clean from normal dirt. Save the hot wash for the few times it is needed.

Frequently asked questions

Do clothes get clean at thirty

Yes, for normal dirt modern detergents are enough. Everyday clothes with sweat and skin oils come clean without a high temperature, because the detergent does the work.

When should you wash hotter

With illness in the home or heavy dirt. In those cases temperature matters, while the rest of your laundry can be washed cold without problems.

How much longer do clothes last

Colour and elastic typically last one and a half to two times as long. That means clothes look good for longer and need replacing less often.