
04 · Portable cold chain
Day One Rapid
Cold chain that moves.
Day One Rapid is a portable milk cooler and mobile dairy cold-chain system for farm collection, last-mile delivery and temporary chilled or frozen storage.

What it does
Close the temperature gap between farm, plant and market.
Day One Rapid adds movable temperature-controlled capacity without requiring every route to begin with a dedicated refrigerated truck. A selected cold cube can be carried on a suitable pickup or light commercial vehicle and positioned where it is needed.
Crystal Creek confirms the cube model, temperature range, capacity, electrical requirements, vehicle compatibility, local compliance, warranty and delivery conditions for each order. Rapid can support a Day One Dairy deployment or stand alone as a cold-chain tool.
Day One Rapid is distributed and configured under Day One Dairy. Crystal Creek confirms final capacity, temperature range, power, mounting, local compliance, warranty and delivery terms per order.
The operating pathway
One clear sequence.
The final equipment and operating procedure are configured for the receiving site, but the work stays understandable from the first step to the last.
01Collect
Position cold capacity on the route near farms or aggregation points.
02Hold
Maintain the specified chilled or frozen temperature range.
03Move
Transfer the secured cube on an approved vehicle or platform.
04Deliver
Complete the local route with temperature control intact.
Current product specification
Choose the temperature duty.
Three current Day One Rapid duties share the same transportable 750 L / 198 gal insulated body. Crystal Creek confirms the selected duty, power source, mounting and destination requirements in the final quote.




| Specification | Rapid Chill | Rapid Freeze | Rapid Deep Freeze |
|---|---|---|---|
| Temperature range | 0°C to 10°C / 32°F to 50°F | Down to −18°C / −1.4°F | Down to −25°C / −13°F |
| Unit power | 320 W | 650 W | 820 W |
| Compressor | KC058 | KC150 | KC178 |
| Refrigerant | R134a | R134a | R404A |
| Refrigerant charge | 500–550 g | 600–650 g | 600–650 g |
Published figures are based on the current supplier specification at +35°C / +95°F ambient. Refrigerant, electrical configuration and performance must be confirmed for the exact supplied model and destination before order.
Configured scope
Specified around the route—not sold as an anonymous box.
Crystal Creek converts the operating brief into a coordinated equipment, utility, fabrication, controls and handover scope.

Temperature range
Chilled or frozen duty selected for the intended product.

Capacity
Internal volume matched to collection or delivery needs.

Power
Supply and operating plan confirmed for vehicle and destination.

Mounting
Vehicle or platform compatibility reviewed before ordering.

Compliance
Local transport and food-handling requirements identified.

Service pathway
Warranty, parts and technical responsibility confirmed per order.
The complete Day One family
Choose the capability you need next.
Plan before you specify
Useful answers for the next project decision.
Start with the operating need
Bring us the herd, route or product plan.
Crystal Creek will help define the right Day One product, receiving-site responsibilities and the practical next step.
Book a project call ↗Or call 971-626-1616




