For commercial & restaurant freezers

Know the second a freezer starts to warm.

Food-safety-grade temperature monitoring for walk-ins, reach-ins, chest freezers, and cold-storage rooms. SMS alerts when temps drift. CSV exports for inspection records. Works with any freezer.

Walk-in Freezer — Main
Live · updated 14 s ago
−4.2°F
Current temp · within safe range
Reach-in A−2.1°F
Reach-in B−1.8°F
Prep Cooler38.4°F
Where it fits

Built for the places food lives.

The same sensor platform that runs on wood boilers shines in commercial refrigeration. Plain probe, rugged enclosure, reliable alerts.

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Restaurants & kitchens

Walk-in coolers and freezers, prep line reach-ins, ice cream freezers. One dashboard for every temp-sensitive box in the kitchen.

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Grocery & convenience

Retail refrigeration, deli cases, dairy coolers. Catch a compressor failing before the stock is lost.

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Cold storage & warehouses

Multi-zone monitoring across walk-in freezers, loading dock coolers, blast chillers. CSV exports ready for HACCP audits.

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Ice cream & dessert shops

Chest freezers that need to stay at −10°F or colder. Real alerts when they drift, before product quality suffers.

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Home / hobby

Second fridges in garages, meat freezers in the basement, deer-processing setups. The cheap insurance you didn't know you needed.

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Shared / communal

Hunting camps, lake houses, rental properties. Get alerts whether you're a mile away or a state away.

Why it works here

Food safety made boring.

Commercial kitchens already have too many things to watch. The Tempist Mini sits inside the freezer (or just outside, with the probe cable run in), reports every 30 seconds, and texts you the moment something's wrong.

When the health inspector asks for the temperature log, you hand them a CSV. When the compressor starts to age, you'll see it in the graph before it fails.

Shop the Mini starting at $189.99 →

What you get out of the box

  • Live freezer temp on your phone, updating every 30 seconds
  • SMS alerts when temps cross your threshold
  • Full graph history for inspection logs
  • CSV export any time — HACCP-friendly format
  • Multi-unit dashboard if you have more than one freezer
  • Works in walk-ins, reach-ins, chest freezers, coolers
  • Rugged probe rated to −67°F / −55°C
  • OTA firmware updates — device keeps getting better

Don't lose a freezer full of product.

The Tempist Mini pays for itself the first time it saves a walk-in overnight.