Smith Sustainable Design performs Energy Audits, designs and installs Solar Photovoltaic, Solar Hot Water, and Geothermal Heating and Cooling systems. Smith Sustainable Design is unlike most other contractors in the industry, in that we look at the whole building as a system. This enables us to solve comfort, indoor air quality and high utility bill problems others cannot. Smith Sustainable Design can help you identify if your home or office is using energy efficiently.