A rain sensor automatically bypasses your Calgary irrigation controller when it has rained — preventing your lawn from being watered right after a rainfall event and saving significant water during Calgary's wet spring periods. In 2026, rain sensors come in both wired and wireless versions, and smart controllers like Rachio make them largely redundant. Here is what Calgary homeowners need to know.
Calgary Irrigation Rain Sensor Options 2026
| Option | How It Works | Calgary Installed Cost |
|---|---|---|
| Wired rain sensor (Hunter MINI-CLICK) | Hygroscopic disc expands when wet, breaks controller circuit | $80-$120 installed |
| Wireless rain sensor (Hunter WIRELESS MINI-CLICK) | Radio signal to receiver — no wire from rooftop to controller | $120-$180 installed |
| Rachio 3 smart controller (weather-based) | Pulls real-time local weather data; skips watering after rain AND forecasted rain | $200-$350 installed (includes rain skip functionality) |
J.G. Irrigation's recommendation for 2026: if your Calgary irrigation system has an older controller, skip the standalone rain sensor and upgrade directly to a Rachio 3 smart controller. The smart controller's weather integration is far more capable than a simple rain sensor — it considers upcoming forecast, evapotranspiration rates, soil moisture, and Calgary's specific micro-climate conditions. Call 587-433-4795.
Rain Sensor or Smart Controller Upgrade — J.G. Irrigation Calgary
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