Common sense and education has a lot to do with it, but there seems to be a sharp decline in those areas recently.
Every single day I see washers that look and smell disgusting. If people would leave the door open, it does not need to be fully open, simply not pushed closed will suffice. Use something other than the trailer setting, use the proper amount of a good HE detergent and bleach the whites once in a while you won't have the smell.
Think about it...you have a big ol outer tub and the inner tub which are both sitting at room temp. Add your clothes and start the washer on Cold and you would be lucky to reach 70 degree water temp. Use warm water and you'll get something in the range of cool water. Use hot water and you'll get something in the range of warm or a cool hot. Your clothes aren't going to shrink, you won't harm the environment with bleach, nor will you ruin your clothes if you use it properly. Most homes today do not have laundry rooms right next to the water heater nor do most of us have the water heater set to 140 or above, which was standard practice back when. So how do you expect to get hot water to a machine that uses so little?
Proper laundering technique has not changed in 100 years.Ask your parents, grandparents, great grandparents. You need thermal energy (hot water), mechanical energy (agitation) and chemical(detergent, bleach, etc). If you use less of one you MUST increase one or both of the other to get satisfactory results. It does not matter if you have a front loader, top loader, wringer or a wash board. You need those three things.
I'm probably going to get hell for the next statement but I really don't care because I see it every day and can back up my statements.
A lot of the issues with smell, mold and mineral build up come from the tree hugging save the earth eco green people out there. I'm sorry but eco detergent manufacturers have not found a way to properly suspend and sequester oils, dirt and minerals with these plant based cleaners. You need sequestrants, anti-redepositing agents, water softeners and surfactants that come from chemicals. You need something to kill mold, mildew and bacteria. Bleach won't harm the earth and neither will regular detergent. It all biodegrades. But some people would rather walk around smelling like a moldy, mildewed rag wondering why they stink and have skin allergies, because they want to save the earth. Fine, but when I hand you my bill, don't bitch.
Now I will admit that out of the thousands of customers I see every year there is ONE and only ONE who has always used cold water in her front loader and there is no smell, mold, mildew or mineral build up. However she always uses Tide HE liquid and bleaches her whites. She also leaves the door open. Are the clothes clean...I don't know. But the machine is.
We also have to remember(and I find this difficult at times talking to a customer) that WE are the ones who eat, breathe, sleep and poop appliances. So we are the ones who are going to pay more attention to leaving the door open, water temps and proper detergent usage. The average consumer does not know, nor do they care. All it is to them is a metal box that is supposed to get dirty things clean and wet things dry. You don't have to worry about sorting, temps, detergent etc. Stuff it in, push a button, turn a knob, dump some of this stuff in and walk away. That is the average consumer these days.
Ok, I have to put a stop my ranting. I could go on for hours.
Jason