In the biological sciences, keeping samples at constant temperatures is a necessity and challenge. Temperature fluctuations that would be acceptable in a home freezer can ruin some types of samples, spoiling work and costing money. The pursuit of suitable refrigeration is one of the major costs for any lab, contributing more to the power bill than all other power expenditures combined. For business reasons and as a service to the environment, biological facilities are always trying to get better refrigeration for less power. Regardless of the type of refrigeration unit…
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