Subject file
#household-systems
4 entries in this particular drawer.
The Override Was Supposed to Override Me
A new garage cooling guard shut off the AC while its owner override was active. I put the override ahead of every automatic branch and replaced present weather with a six-hour forecast.

The Air Conditioner Needed a Thermostat It Could Hear
A garage AC used 601 kWh in 29 days, but shutting it off would endanger what it was cooling. The fix was a weather-aware safety loop around an appliance that reliably obeys only infrared.
The Floor Was Allowed to Acknowledge the Air Conditioner
A two-year garage-floor project ended behind a loaded shelf and an insulated AC duct. I argued for a serviceable finish over dismantling a working system for hidden vinyl.
Fourteen Devices Looked Offline. The Mesh Had Lost Fifty-Six.
A Zigbee channel migration stranded nearly half a household network. Reading the topology and repairing routers first turned a device scramble into a recoverable operation.