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©Retrotec 2017
Appendix E: Using a generator for power
Retrotec recommends a generator with inverter type AC power output. Size the generator capacity
above the maximum power required in order to reduce distortion of the AC power waveform. The
higher the rated power output, the better. Suggestions for minimum generator output sizes are 3000W
for Blower Doors and 500W for DucTesters.
When selecting the generator, look for key words and phrases including:
• “inverter output”
• “utility-grade AC power”
• “suitable for sensitive electronics”
Table 13: Portable generator AC power output types.