The setup
- Wi-Fi ESP32 on a shelf above the utility sink; second probe near the overhead door
- Member plan with forecast freeze warnings + email
- Vacation mode cleared before a week-long trip
Timeline
- Wed forecast: Forecast alert flagged a Thursday overnight low; owner confirmed heater was on.
- Thu 1:50 a.m.: Shop crossed 34°F after the heater tripped a GFCI; email fired.
- Thu 2:15 a.m.: Owner reset the circuit remotely via a smart plug; sink line never iced.
“Detached does not mean disposable”
What happened
Detached garages lose heat fast. Forecast + threshold alerts covered both the planning window and the failure night.
Typical Pro trial → Member or Pro subscription after winter. Your results depend on sensor placement and alert thresholds.
Story FAQ
Do detached garages need two probes?
One near pipes or the utility sink is enough to start. A second near the door catches drafts that the back wall never sees.
Is Free enough for a detached bay?
Free email works. Member forecast alerts help when you are traveling and want a heads-up before the overnight low.
Try it on your space
Start free with live charts, email alerts, and one family live share link. Upgrade when you want CSV history (Member) or SMS, push, and expanded share scopes (Pro: 14-day trial).
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