Thermalpas field deployment (Taiwan) · Healthcare Cold Chain

Medical-center freezers: three night-time compressor faults caught in year one

Space-type Thermalpas sensors for vaccine, blood and reagent cold-chain monitoring.

  • 3Anomalies caught, year one
  • $1.5M+Site-estimated spoilage exposure
  • 20Freezers, typical site
Medical centers and biotech labs: field installation photo, Medical and lab freezers
Field installation photo · Medical centers and biotech labs

The problem

At a major medical center, vaccines, blood products, and antibody reagents sit in freezers worth millions of dollars in inventory, and are scrapped if they leave their band (typically 2–8°C, –20°C or –80°C). If a compressor fails overnight, the entire inventory is at risk — a single excursion can mean a $100K–1M loss. Paper logbooks only reveal the failure the next morning.

What was installed

A Thermalpas space-type sensor, built around a thermally conductive layer, was installed inside each freezer, with a compressor temperature sensor on the outside. The system kept a real-time temperature log, alerted the pharmacy team by LINE or SMS on any drift, and captured every excursion automatically as an electronic record.

The outcome

A typical medical center monitors 20 freezers. At one client site, three night-time compressor anomalies were detected in the first year, each an early-stage failure caught before the vaccines themselves saw a temperature excursion. The site estimates the spoilage exposure across those three events at more than $1.5 million.

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