8 Zone HVAC Controller for Home Assistant

I was looking for a solution that replaces a standard zone controller. It takes 24v ac and then sends it out to one of 4 zones to tell them either to open or close.

Sometimes at night I want to disable or enable a zone, so I came up with this:

The components I used:

• 3d printed chassis
• 5v 8 way relay board
• An esp32 running esphome
• An ac to dc converter.

This means that you can add this device to home assistant and end up with something like this:

If you would like any info on this project. Let me know! Or if you would like to purchase a pre made one, please head over to the store.