The Kitsap Chapter of the Northwest Ecobuilding Guild will host a presentation by Israel Gaphni, a Washington state registered mechanical engineer, at the next meeting at 7 p.m. Thursday, Oct. 18 in the offices of RePower Bainbridge.

Gaphni will walk participants through the basic nuances of designing a properly sized, cost-effective and energy efficient heating, ventilation and cooling system for residential applications.

RePower Bainbridge is located in suite 210 at 400 Winslow Way East.