https://absent.org/tags/ecobee/Recent content in Ecobee on Jake Shawhttps://absent.org/images/me-pixelated.jpeghttps://absent.org/images/me-pixelated.jpegHugoen-usSun, 02 Aug 2026 00:00:00 +0000https://absent.org/ecobee/Sun, 02 Aug 2026 00:00:00 +0000https://absent.org/ecobee/<h1 id="replacing-a-honeywell-visionpro-iaq-th9421c1004--eim-with-an-ecobee-smart-thermostat-enhanced">Replacing a Honeywell VisionPRO IAQ (TH9421C1004 + EIM) with an ecobee Smart Thermostat Enhanced</h1> <p><strong>Trigger Warning</strong>: I used AI extensively throughout this process, including writing this article. If this bothers you, stop reading now.</p> <p><strong>tl;dr</strong>: I asked ChatGPT how I could replace my proprietary Honeywell IAQ thermostat with an ecobee. It asked for some photos and took me through the whole process from start to finish. It was amazing.</p> <p>This article is still a work-in-progress, so check back for updates.</p>