Insights
Short, practical guides for people who specify and buy cold chain equipment.
Active vs passive cold chain boxes: how to choose
An active box makes cold with a compressor. A passive box only keeps cold that you put into it. Which one you need depends on how long the trip is, how tight the temperature limits are and whether power is available.
Read the guideR513A refrigerant: what it is and why we use it
All Lemosun active cooling products now use R513A. It was developed as a replacement for R134a, and it lowers the climate impact of the refrigerant charge by more than half while staying non-flammable.
Read the guideHow to specify a custom finned tube heat exchanger
A coil quotation is only as good as the information behind it. These are the decisions that fix the price and the performance of a copper tube aluminum fin heat exchanger, in the order a factory needs them.
Read the guideHow to choose an insulated fish tub
An insulated tub is a simple product, and most buying mistakes are about size and handling, not insulation. Work through these five points before you choose a model.
Read the guideLiquid cold plates compared: tube-embedded, brazed and friction stir welded
All liquid cold plates do the same job: they carry heat from a device into a coolant. They differ in how the coolant channel is made, and that decides performance, leak risk and price.
Read the guideIce, gel packs, dry ice or PCM: coolants for passive cold boxes
A passive box has no machinery. The coolant you put inside decides the temperature it holds and for how long. Choosing the wrong one is the most common reason a good box gives a bad result.
Read the guideGet a factory price.
Send your drawing or requirements. A sales engineer will reply by email.