Educate me on tankless water heaters. Im thinking that for 3 bathrooms a D/W and W/D Id be beter off with 3 remote units. One Med for The Master and Mother-in-law bath One Small for the Kids bathroom One Med for the Washer/Dryer & Dishwasher. I know its more up front than a central one, but wouldnt you save a little in the install by only running one supply line to each location and not having to heat the water through the whole house? I also want it to handle the radiant heat in each bath or is that pushing it? Any brand you might suggest?