Why Chofroi
Imagine.
You leave your dog in the car. Five minutes.
22°C outside. Inside, it climbs: 30… 38… 45°C.
Your phone rings. It's Chofroi calling.
You make it back in time.
That's why Chofroi exists: to warn you before — not to console you after.
A car parked in the sun hits 47°C within an hour.
of the rise happens in the first half hour. Windows cracked open: no difference.
one unexpected power cut per household. Will you know in time?
Chofroi reads the curve and calls you before the threshold — not after.
Car: McLaren et al., Pediatrics, 2005. Power cuts: Enedis open data, 2025.
What you get
A standalone unit, ready to place. One button to put it on watch; then it calls you and texts you when the temperature goes off the rails.
How it works
Car, fridge, freezer, conservatory, cellar. It runs for months on battery.
3 clicks, 3 blue flashes. Off you go, mind at ease.
Curve racing toward your threshold? Call + SMS, ~5 min ahead.
Hot and cold alike
From a frozen conservatory to a scorching car cabin: scroll and watch Chofroi track the temperature, from deep freeze to heat spike.
Already standing guard over
Dog on board, cabin heatwave: alerted before it bakes.
Power cut, door left ajar: warned as soon as it creeps up.
A cellar that freezes or overheats ruins your finest bottles.
Greenhouses, storerooms, utility rooms exposed to cold and heat alike.
Early feedback
“The SMS saved us from a cold-chain break on a Sunday. Paid for itself in a single alert!!”
Jean-Pierre · farming YouTuber
“It really did call me — and that changes everything [...] that fuse keeps tripping”
Laure · freezer
“One button, three flashes, and it's armed. I was bracing for something complicated, but it's dead simple!”
Michel · holiday home conservatory
Sample reviews — they will be replaced with real beta-tester feedback when sales open.
Price incl. VAT, delivery in France (72 h). First month of alerts free. Push notifications in the app stay free, forever.
Pre-order price · incl. VAT, one-time payment · 72 h delivery
First month free · cancel anytime
Activates when you set up your sensor: you receive a secure payment link (Stripe). First month free, then €5.99/month, cancel in one click.
Pre-order
Limited stock. Leave your details: you get your reference right away, then within 24 h a secure payment link (SMS or e-mail). Sensor reserved for 7 days.
Frequently asked questions
Terms of sale
Chofroi is published by FURGO, a French SARL with a capital of €16,800, RCS Béziers 949 204 465, registered office 4 rue Basse, 34600 Faugères, France. Condensed summary of the FURGO terms of sale — full binding version (in French) at furgo.fr/cgv.
Condensed summary for information only, based on the FURGO terms currently in force (furgo.fr/cgv, in French). The full, binding terms are attached to the order before payment; a consumer-adapted version applies to private buyers where relevant.
€189 incl. VAT €249 · everything included, even the data SIM · first month of alerts free.