The answer to 'when to replace gutter cleaning' is that you should clean your gutters at least once or twice a year, typically in the spring and fall. Gutters can become clogged with leaves, twigs, and other debris over time, which can lead to water damage and other issues if not properly maintained.
Regular gutter cleaning helps ensure that water flows freely through the system and away from your home's foundation. Depending on the size of your home and the number of trees around it, you may need to clean your gutters more or less frequently. It's a good idea to inspect your gutters regularly and clean them as needed to prevent problems.