Category: hvac
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How We Built a 7-Zone HVAC Controller with ESPHome
Read the development story behind TekOnline’s original seven-zone ESPHome HVAC controller and find the current eight-zone product and setup resources.
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Open-Source HVAC Zoning vs Closed Systems: What Actually Matters
Compare open ESPHome HVAC zoning with closed controller ecosystems, including local control, firmware access and integration considerations.
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From USB Cable To Home Assistant: Getting Our ESP32 HVAC Board Online (And the New Workflow)
On March 5, 2026, we brought a fresh ESP32 HVAC board online and documented a cleaner workflow for future installs. This post is the practical version of what happened:…
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8 Zone HVAC Controller for Home Assistant
Explore TekOnline eight-zone HVAC control for Home Assistant. Compare board revisions and find current V3 partial-positioning and UART product information.
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Midea Air Conditioner Displays CP on the wall control
I recently encountered an issue with the main board of my Midea MHG-48HWFN1-Q indoor unit. The main board showed no signs of activity (no flashing light), although the…
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Midea SUPER DC Inverter Series Service Manual
Applied Models MHG-24HWFN1-Q / MOU-24HFN1-Q MHG-30HWFN1-Q / MOU-30HFN1-Q MHG-36HWFN1-Q / MOU-36HFN1-Q MHG-48HWFN1-Q / MOU-48HFN1-Q MHG-60HWFN1-Q / MOU-60HFN1-Q Hopefully you find this info helpful 😊 Thanks to the kind…