NABCEP SH Associate Practice Questions - NABCEP Solar Heating Associate Credential Exam

What does 'peak sun hours' represent in solar heating system design?

The number of daylight hours at a location The equivalent hours of 1,000 W/m² irradiance that produce the same total energy as actual conditions The hours between 10 AM and 2 PM when the sun is highest The maximum number of hours a collector can operate per day

Correct Answer:

The equivalent hours of 1,000 W/m² irradiance that produce the same total energy as actual conditions

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