Honeywell Vista 20P with Envisalink 4

Supported devices: ProSeries (ProA7, ProA7Plus); Lyric (AIO, Gateway); Lynx Touch (L5100, L5200, L5210, L7000); Lynx Plus (L3000); VISTA (15P, 20P, 21iP). Limitations: The polling window is 30 seconds. If your door opens and then closes again within 30 seconds, it may not be visible in Home Assistant. Automations based on the short term status of doors and windows are not recommended. The Total Connect API has limited zone type information. Many zones are simply described as …

Excerpt saved from home-assistant.io on 2026-10-23.

Lutron caseta is great. I use inovelli but hear good things about caseta Honeywell Vista 20P (old school security system) is fantastic. Wire it up with Envisalink 4 and you get full local control. You can also use each zone as a low latency sensor for automations. For security cameras, blue iris if you want a simple (paid) option, or you can run frigate. Recommend Reolink / dahua cameras. Put them on a VLAN and block internet access and you can rest assured nobody can see your cams without your consent. I get everything into HA, then I bridge into HomeKit for a nice UI/UX. RPI is fine for …

Excerpt saved from the Arctic Shift Reddit archive on 2026-10-23.

To me, there is a difference between alarm/security hardware and smart sensors. I use a dedicated alarm system (Honeywell vista 20p) and then an eyezon duo module to integrate it in home assistant. All the door and window sensors report open and close when the system is disarmed, as well as the motion sensors. If you want smart sensors, I’d probably go with zwave, though zigbee is probably cheaper.

Excerpt saved from the Arctic Shift Reddit archive on 2026-10-23.