desert_sasquatch Posted February 5 Report Share Posted February 5 This is a small question, and if there's some place I could have been looking (documentation?) for the answer instead of bothering folks on here please do let me know. I'm trying to model a system that uses solar thermal for space heating as well as domestic hot water. I'm currently trying to do this using design A3.2 (DHW system with heating buffer tank and external heat exchanger). I clicked on the design assistant. I click on the definition of consumers tab on the left. Then I click on the space-heating...lets call it a sub-tab under where it says "definition of consumers". There's a check-box where it asks if the space heating energy requirement is known, and I click on the check mark because yes, it is. The bottom box asks for heating energy requirements, in this case in BTU/hr. That's where I'm unclear. What is the context of this? Is this my average heating requirement for the whole year, expressed as kBTU/hr? Is it my peak heating energy requirement on the worst day of the year? Is it the average requirement for the worst month of the year? Thank you Quote Link to comment Share on other sites More sharing options...
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