A 4-location SF Bay Area restaurant group running classic walk-in coolers from the early 2010s was averaging one major overnight failure per quarter across the four sites. Each incident cost between $4,000 and $8,000 in spoiled inventory — proteins, dairy, prepared sauces — plus the lost-revenue cost of pulling specials off the next-day menu. The operations director had zero visibility into walk-in temperatures between closing time and opening: failures were only discovered the next morning when the AM kitchen lead opened the cooler and felt warm air. No remote alerting, no historical trending, no way to catch a defrost-cycle or compressor anomaly before product loss.
Coolrite deployed CoolriteEMS wireless temperature sensors inside every walk-in cooler and freezer across all four locations, configured with three-tier SMS escalations (primary manager → district manager → 24/7 Coolrite dispatch) and 5-minute polling. We layered an annual preventive-maintenance contract on top: quarterly site visits covering condenser-coil cleaning, gasket inspection and replacement, defrost-cycle validation, refrigerant charge verification, and electrical-panel torque checks. Sensors push live data and 30-day history into a dashboard the operations director checks once a week.
In the first 12 months: two real anomaly events were caught and resolved within 30 minutes (versus 6–9 hours pre-EMS, when the issue was discovered next morning). Total product loss across the year: zero. Refrigeration-related energy spend dropped 18% — Coolrite traced the savings to over-icing on two condenser coils that the PM contract caught early and to one defrost-timer schedule we optimized for the actual door-open pattern. Net 12-month savings, including avoided spoilage and energy: ≈ $26,400 against an EMS + PM annual cost of $8,640.
"Before Coolrite, we lost product almost every quarter. The EMS sensors caught a defrost issue at 2 AM on a Sunday — by Monday open, the unit was repaired and not a single ingredient was lost."
— Operations Director, 4-location Bay Area restaurant group
Free site assessment — we'll quote honestly and never push replacement when a repair will do.