This is more of an avoiding simulation question rather than how to simulate something. I'm looking at data on total annual heating/cooling energy consumption, and I'm wondering if there are any existing methods for estimating the plant size required for the building?
Answering my own question to get this going. After a lot of searching, I found a procedure from a BRE report from 2016 that suggests I should be able to make an estimate based on annual energy use, plant efficiency, and equivalent full load hours (heating or cooling).
I've also found another BRE report which gives cooling plant EFLH for offices in a range of UK cities.
The calculation that makes sense to me is kWh / EFLH / SEER = kW
So, working that through, I find a (very approximate) installed cooling capacity of 138 kW.
Annual kWh EFLH Efficiency Installed kW
Cooling 455,895 1,500 2.2 138
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