Contact Adelaide Geoexchange Please Fill in the form below and we will be in contact with you soon: Is your project Residential or Commercial, New or Retrofit? Residential New BuildResidential RetrofitCommercial New BuildCommercial Retrofit Which of our solutions are of interest to you? (you can select multiple options) Geothermal heating and coolingMechanical ventilation with heat recovery Attach your plans:(Pdf) Please tell us a little bit about your project: