Which Compressor Is Better?
The below summary of findings are made after viewing many test results, ignoring results coming from test done in ‘less accurate’ environments.
Power: The Danfoss is more powerful - around 20% more. This is reconfirmed in many tests showing Sawafuji compressors are much slower to lower the fridge temperature than Danfoss powered fridges.
Efficiency: Pretty much the same. Comparing two similarly sized portable fridges, the average current was almost identical (if anything, the Waeco was slightly less). The Engel’s max current was lower at 4A compared to the 6.5A from the Danfoss powered Waeco unit. With the Waeco you have the option to lower the max current to match the Engel (at the expense of rapid cooling), but why would you want to do this? It is the average power usage that matters. This again clearly indicates the Danfoss BD35F is a more powerful compressor.
Temperature limits: Danfoss is slightly better. Many test have found that in the higher temperatures (around 45-50 deg) the Sawafuji performance is not as good as the Danfoss. The Danfoss was able to bring the fridge temperature down to a lower temperature.
Noise & Vibration:
The Danfoss is quieter and almost free of vibration in contrast to the Engel, this is a significant factor if you are trying to sleep nearby. Vibrations can often be felt in motorhomes, caravans or boats fitted with built-in Engel fridges.
Durability: The Engel, has been running well for over 30 years. Thirty years from now, maybe we can look back and say the same for the newer 2005 Danfoss powered compressor.
Warranty: 5 years on the Waeco’s Danfoss. 3 years with the Engel’s Sawafuji.
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