Public and industry professionals visit homes with features that provide comfort, but also reduce long-term costs through energy efficiency such solar or wind to generate power, water collection, energy efficient appliances, EV charging, insulation and building materials (e.g. rammed earth, hemp), house positioning, being air and weather-tight, ventilation, and reduced thermal bridging (when heat escapes). Options to attend talks and demonstrations from industry professionals and home owners on particular areas of expertise.
Home owners would likely have an 'open home' at times that suit, ideally several slots of 2-3 hours over the week. Event providers could deliver talks/workshops at relevant homes or other venues.