As a property manager in Arizona, I’ve had my fair share of tenants cranking the AC to arctic levels—until I tried the ControlTemp CT76. This little box is *supposed* to be tamper-proof, locking temps at 76° for both heating and cooling. Spoiler: It’s not perfect, but it does curb most ‘thermostat wars.’

First, the good: Installation took 10 minutes (just match the wires—no PhD required). The 76° limit works like a charm for cooling; no more waking up to a $500 bill because someone wanted igloo vibes. For heat? Tenants can still lower it below 76°, which feels like a loophole, but hey—it’s Texas-proof for AC abuse.

Now, the quirks: The ‘tamper-proof’ claim is… optimistic. There’s no physical lock (a screwdriver could dismantle it), and labels are tiny—I ended up using a Sharpie to mark ‘HEAT/OFF/COOL.’ One reviewer glued the fan slider to ‘AUTO’—genius hack I copied immediately.

Durability’s a gamble. Mine’s survived 6 months, but another user’s died in 90 days. At $70, it stings if yours bricks itself. Still, for frazzled landlords or caregivers (shoutout to the reviewer with the thermostat-tinkering mom), it’s a decent guardrail against HVAC meltdowns.

Verdict? It’s niche. If you need idiot-proofing (not Fort Knox-level), it delivers. But if you want bulletproof? Keep shopping.