> >How full the freezer and the quality of the seal make a huge difference. For -20 freezers, I recommend that if they are not full, to add water jugs. Bad seals on a -80 (or seals that are frosted) and misadjusted closing mechanisms can cause them to lose temperature very quickly.
>
In addition, these are well-known problems when trying to address energy consumption in laboratories.
-80 freezers use about the same amount of electrical energy as a house, but that number assumes that the freezers are well-maintained. Frosted or aging seals can increase freezer energy use significantly. For this reason, I suspect that the work you did in repairing/replacing seals and closing mechanisms paid for itself within months. Unfortunately, connecting those savings to the expenses which enable them is beyond the scope of most academic accounting systems.
- Ralph
Ralph Stuart, CIH, CCHO
Environmental Safety Manager
Keene State College
603 358-2859
ralph.stuart**At_Symbol_Here**keene.edu
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