studs forming the framed wall this maximizes the size of the housing 44 while providing enough accommodation to install the housing 44 within the wall 54 moreover the width 48 may be of a size that permits mounting to adjacent studs of the frame 52 in one embodiment a distance 56 fig5 between a pair of generally parallel vertical studs 58 60 may be about 16 inches or 24 inches depending on the size of the frame 52 although of course the distance 56 could vary depending on the desired frame attributes in and around the drinking fountain 10 moreover the width 48 of the in wall thermoelectric chiller 42 could also vary in size in either embodiment the chiller 42 may include one or more spacers not shown to facilitate flush mounting between the vertical studs 58 60 specifically in one embodiment the width 48 of the housing 44 may be 14 5 inches or less referring back to fig3 and 4 the standalone housing 44 may include an inlet configured for connection of the in wall chiller 42 to a water supply 62 e g a mains water supply or other building water delivery piping such as by way of a standard connection to an inlet conduit 64 the inlet conduit 64 may couple to one of a series of cooling modules 66 that provide cooling to the incoming water as it enters the housing 44 or afterward in one embodiment the series of cooling modules 66 may include one or more thermoelectric cooling modules alternatively the.