Rettke Builders

Bemboka House and Gallery

The homes energy efficiencies include:  towering north facing  walls with double glazing to all windows; The highly elevated awning windows provide a ventilation 2nd to none; Walls and  ceilings are fully insulated using R2.5 and R4's respectively.  Photovoltaic panels provide 4 kilowatt hours of power back to the grid; A 40 tube solar powered hws has proved to supply abudant hot water through all seasons; The 111,000 litre in-ground concrete water tank provides an  endless flow of H2O.  The on-site sewerage system is biolytix. a multi-award winning environmental plumbing solution.

Rogers 
Sitting beautifully within its coastal bushland environment, this home uses a curved design to maximise the north-easterly aspect.
1. Floor to ceiling windows with large eaves allow for passive warming and cooling.
2. Louvre windows up high with a stepped roofline allow excess hot air to escape and improve ventilation.
3. Solar hot water and wood fired heating reduce the homes reliance on the electricity grid.

Wauchop
This renovation boasts a list of innovative yet simple ways to maintain an environmentally friendly residence. These include a 23,000 litgre water tank, north facing louvre windows providing excellent ventilation and winter warmth, a grey water system from the new ensuite dispersing water into the gardens and fully insulated roof, walls and elevated floor.

Mimosa 
Daytime living areas are situated on the northern  side of this home. Coupled with large areas of glazing to capture the winter  sun. Soslid brick internal walls in the family areas and bedrooms provide outstanding  thermal storage, whilst also offering acoustic qualities in these main areas.  A galvanised steel water storage tank is located under the deck.