Seifried Research has made great strides in applying our SR heat exchanger systems into traditional refrigerators.

Below you will find graphs and information pertaining to our most recent tests. We have successfully hit freezing temperatures inside of an existing refrigerator without the use of any compressors or their accompanying coolants. This was achieved in a sub-optimal setup with little to no insulation.

The graph on the right represents an initial test completed to measuring cooling capacity using a 25.4 cu. ft. French door style refrigerator with its installed compressor cooling system compared to using our 12 TEC (SR12-4) solid state cooling system over time (1hr 30 min).
 
Ambient temperature was always at 70°F for both tests.

As can be seen from the graph, the SR12-4 cooled the refrigeration space faster and provided a more “deeper” approach to the target temperature.

Measured power consumptions were almost exactly the same.

Our Improved SR12(twelve TEC system) is now able to go below freezing within our large sized (25.4 cubic foot) fridge.
 
This was accomplished using 550 Watts of cooling power.
 
Additional development work is ongoing to reduce cost such that the TEC cooling system is fully competitive with compressor based systems as well as compiling more statistical data for analysis prior to product release and announcement. 

  • Our system has accomplished everything using only water and isopropyl alcohol.

  • The only moving parts are water pumps and fans. Noise is greatly reduced and hardly noticeable.

  • Our system uses less electricity and works at a much faster rate than traditional compressor based solutions.