This is why I have always said never use someone else’s heatloss survey. This is the only time I have as they had a company in who gave them a suitability package. Look at the difference.
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@Damon_BPHR I see this all the time and its so frustrating. This is probably the mai factor all the HP trails come back with SCOPs below 3.
@GSHPinstaller Supposed to be a 20kw unit this at 50° flow temps, I reckon I can squeeze it to 35/40 now. But we paid a deposit. This survey was big money too. I’ll need a bigger the size of Gibraltar for good performance 😂