While most people are familiar with the word gutter and gutter system, eavestrough is something not many people would use. And because of that, both the terms are often confused and used interchangeably. Here's the different between what an eavestrough and gutter.
An eavestrough can be defined as a trough that you see attached to the eaves of a building. This system together helps in draining water from the roof. And the gutter is a channel that also drains water, however, it's a channel that is prepared on the surface. You would see most people use the word eavestrough for the metal attachments that are found on the sides of the roof. While, the gutter runs along the side of the road.
A gutter also means a bigger system where the waste and drainage from all the houses would be collected for a combined disposal. However, with time, people used both the terms, that is eavestrough and gutter for the same thing to save on time and effort. This is when people started getting confused about both the terms when anyone would require to use these terms specifically in their own contexts. Another word that people used for both is eaves gutter.
The process of installing a new system of gutters or eavestrough his called guttering and eavestrough. Again, these two terms are used interchangeably. While both the terms mean installing a new gutter or eavestrough system, if you still confused, you can talk to Gens Metal expert,they will know what they are working with.