Building an Eco Friendly Home. It’s easy to walk into a display home and see yourself living in the house they want you to live in, but land development in recent times have not always allowed your house to be situated for the best Sun orientation. All is not lost there are still many things that can be done to make your house energy efficient. Best of all it doesn’t have to break the bank. In recent years changes to the BCA have made it manditory to reach minimum efficiency ratings. It now means that houses are cooler naturally rather than having to use air conditioning on mild days. To get the best design for your life style, block of land and budget you should speek to a professional that can advise you of the steps. A good place to start is to look for a HIA GreenSmart Professional. They can only make this claim if they have completed a specially tailored course run by the Housing Industry Association. Many builders, designers and architechs have done the course. The HIA also has a list on their website.