> Though it’s worth noting that that first 2 ton rated unit is putting out 0.5 tons (6k BTU/hr) at that temp and rating.
I just did a quick search for "all" units and sorted the result list/table by COP@5F. If one was actually shopping/designing a solution then a more nuanced search criteria would be used.
Further, you'd probably want to do a (US ACCA) Manual J calculation to first determine how much energy is needed (j = joules)
I just did a quick search for "all" units and sorted the result list/table by COP@5F. If one was actually shopping/designing a solution then a more nuanced search criteria would be used.
Further, you'd probably want to do a (US ACCA) Manual J calculation to first determine how much energy is needed (j = joules)
* https://www.youtube.com/@HomePerformance/search?query=manual...
Then the (US ACCA) Manual S (select) to figure out your equipment:
* https://www.youtube.com/@HomePerformance/search?query=manual...
One can lookup the 1% (or 0.4%) of coldest/hottest days for your area, which would help determine what one actually has to typically worry about:
* https://ashrae-meteo.info/v2.0/
* https://www.airequipmentcompany.com/2021/what-does-design-da...