If you don't yet have a sawdust collection system set up in your workshop, an intermediate step is to use plastic trash bags under a tablesaw. Clip the bag below the tablesaw with snap clothespins. The sawdust that does not fall in can be scooped up and tossed into the bag. Also check out the options now available for using your wet/dry vac to collect sawdust from individual tools.
When shopping for a clothes washer, look for the following design features that help clothes washers cut water usage: water level controls, “suds-saver” features, spin cycle adjustment, and large capacity. For double the efficiency, buy an Energy Star unit.