Well washing cloth diapers, using hot water, will use up water and power and cost as much as buying disposables in the long run. In the save the water areas that will be a priority. As for windows I had the new tilt windows installed. I can wash the inside and outside of the windows standing in front of the window. I wash one window a week so my windows stay clean all the time. The screens are easy to take off and DH sprays them clean every so often. All our windows are bare except the bedroom ones so they need to be clean or the whole room looks yucky.