The short version
ESP8266/ESP32 firmware connecting Mitsubishi HVAC units to Home Assistant via MQTT.
From the HackerLinks archive
mitsubishi2MQTT
ESP8266/ESP32 firmware connecting Mitsubishi HVAC units to Home Assistant via MQTT.
At a glance:
First seen:2026-09-15
Last seen:2026-09-15
Times seen:1
Website:github.com
Why it caught our attention
A long-term user said it has worked great for several years.
Where it surfaced on Hacker News
2026-09-15
“I've been using mitsubishi2MQTT with Home Assistant. It's been working great for several years.”
webinar · recommendation · first hand use
Direct HN comment
I added a non-wi-fi Mitsubishi AC to Home Assistant
Also surfaced in this discussion
ESP32-Faikout
I added a non-wi-fi Mitsubishi AC to Home Assistant
2026-09-15
ProtoART ClimateControl
I added a non-wi-fi Mitsubishi AC to Home Assistant
2026-09-15