PHPP plug-in: peak heating load
PHPP has a graph to display the heat gains and losses for the space heating demand approach, which is a very useful design tool to help understand the design, including which heat transfer mechanisms are significant or trivial.
There's not currently an equivalent graph for peak heating load.
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As we thought it would be useful, we made a plugin for PHPP that generates the peak heating load graph, which can be copied into a PHPP. It follows the same conventions as the space heating demand graph, with the tweak that it splits ventilation into infiltration and mechanical ventilation, as shown in the example graph at the bottom of this page.
We're releasing a minor update to make it compatible with all versions of PHPP9 and PHPP10, and has a few tweaks to the labelling of the graphs.
It's available for download below. Please feel free to use it, and let us know if you have any feedback, either positive or negative.