I replaced my Brivis Gas Unit with a new Brivis Mod BX320NG through Echo Air Conditioning. They were recommended by a good friend of mine. I found Gerad who quoted on the job very accommodative and professional. Nothing was too difficult for him! The installer Ryan and his assistant were also very knowledgeable and efficient. Ryan is a good Tradie who was well organised and neat & tidy in his work. June at the Office is also efficient and made sure she kept her client updated of the progress. I have no hesitation in recommending Echo for Brivis heaters.