Category: hvac
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HVAC Zone Controller Compatibility Matrix: TekOnline vs Advantage Air, Polyaire & More
The TekOnline ZoneControl range works with most 24VAC ducted HVAC systems. This matrix compares the 4-Zone Wall Controller and 8-Zone Roof-Space Controller against three common Australian systems: Polyaire ZoneTouch, Advantage Air MyAir, and Advantage Air e-zone. Use this guide to check if the TekOnline controller fits your installation. Feature Comparison Feature TekOnline 4-Zone TekOnline 8-Zone…
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Community Spotlight: 3D Printed Enclosure for the 8-Zone HVAC Controller V2
Community member Marko Banovic designed a free 3D-printable enclosure for the ESPHome 8-Zone HVAC Controller V2. Download the STL files and print your own.
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Custom Zone Labels for the 4-Zone Wall Controller
Print custom zone labels for the 4-Zone Wall Controller. The front faceplate now fits a Clipsal 2000 Series clip-on surround. Free SVG template for Inkscape. Step-by-step guide.
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4-Zone Wall Controller Firmware v2026-05-17: Relay Inversion, OTA Updates, and Version Display
This firmware update is for the TekOnline 4-Zone Wall Controller. Current firmware version: 2026.05.17-v2-hold-dimmer-unique-spill-invert What changed This release keeps the existing hold-to-dim and spill-zone behaviour, and adds three support-focused improvements: per-zone relay inversion switches a TekOnline firmware version visible in Home Assistant clearer support for OTA updates from the ESPHome Dashboard Per-zone relay inversion Some…
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4-Zone Wall Controller Firmware Update: Latest Features for Existing Customers
If you have already purchased a TekOnline 4-Zone Wall Controller, the latest firmware adds a few useful features without changing the core wall-control experience. The front buttons still work locally at the wall, but the controller now gives you better behavior for pressure-relief style spill setups, better visibility in Home Assistant, and safer network behavior…
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How to Set Up the TekOnline 4-Zone Wall Controller in Home Assistant
Already have a wall controller for your HVAC? The TekOnline 4-Zone replaces it plug-and-play — same 24V wiring, same power supply, no electrician. Now with ESPHome for full Home Assistant integration, local-first control, and illuminated zone buttons.
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ESPHome StringRef Compile Error on the 4-Zone Wall Controller
Some customers using the TekOnline 4-Zone Wall Controller may see a compile error when flashing the newer hold-to-dim firmware in ESPHome. The error looks similar to: cannot convert 'esphome::StringRef' to 'const char*' in initialization It may point to a line similar to: const char *spill = id(spill_zone).current_option(); What caused it This was an ESPHome version…
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4-Zone Wall Controller Firmware v2026.05.07 – Hold-to-Dim with Spill Control
Latest Firmware: v2026.05.07 This is the latest ESPHome YAML for the 4-Zone Wall Controller (4zoneWallV1), featuring hold-to-dim PWM control with unique naming and relay-only spill overlay. What is New in This Version Hold-to-dim: Press and hold any zone button to ramp brightness up/down in 5% steps. Each new hold reverses direction, like a single-button dimmer…
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How To Hook Up The New 4-Zone Wall Controller
No electrician needed. The 4-Zone Wall Controller drops into your existing 24V HVAC setup — same damper wiring, same power supply. Here is the step-by-step wiring guide for Home Assistant and ESPHome.
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4-Zone Wall Controller Faceplate Update: Working Toward a Cleaner Clipsal 2000 Series Style Look
We are developing a cleaner faceplate direction for the TekOnline 4-Zone Wall Controller, aiming for a more familiar wall look inspired by the Clipsal 2000 Series style while keeping local-first control and physical zone buttons.