One of the most crucial parts of any solar installation project is the site survey. After your installer makes an initial assessment of your property, they’ll conduct a site survey to obtain detailed information on the condition of your roof, and take measurements to assist the engineers in design. But how exactly do installers get this information? 

In the past, the only option was to climb up on the roof and take measurements by hand. While this is still the most common method, some new remote technologies are beginning to offer compelling advantages that are changing the way site surveys are conducted. In this article, we’ll take a deeper dive into the pros and cons of each of these methods.