Solar hot water collectors provide domestic hot water as well as space heating by flowing the heated fluid first through a heat exchanger and then into tubing buried in a three foot bed of sand beneath the floor slabs.  Arkin Tilt Architects’s Saves from Chalk Bluff Cabin

Arkin Tilt Architects’s Saves

Solar hot water collectors provide domestic hot water as well as space heating by flowing the heated fluid first through a heat exchanger and then into tubing buried in a three foot bed of sand beneath the floor slabs.