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The pros and cons of thermoelectric cooling units
What're the Pros of Thermoelectric cooling units?

1. No moving parts so maintenance is required less frequently                                                     
2. No chlorofluorocarbons (CFC)                                                                                           
3. Temperature control to within fractions of a degree can be maintained                                                  
4. Flexible shape (form factor); in particular, they can have a very small size                              
5. Can be used in environments that are smaller or more severe than conventional refrigeration                              
6. Long life, with mean time between failures (MTBF) exceeding 100,000 hours                                      
7. Controllable via changing the input voltage/current                                                                      
   


What're the Cons of Thermoelectric cooling units?


Freon cooler is 75% more efficient than Peltier cooler; There are temperature controller functions for TEC air cooling units, which easy to cool and warm the cabinet.