Product review
Updated August 2023
Electric heaters
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We've reviewed the DeLonghi Dragon 4 TRD42400ET to see how well it performs in these categories:
- Performance
- Ease of use
- Heating speed
- Predicted reliability
- Brand satisfaction
- Heat distribution
Test results
Performance- Ease of use
- Heating speed
- Predicted reliability
- Brand satisfaction
- Heat distribution
- Thermostat performance
Good points
Bad points
Specifications
Features
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