Collector Sizing Guide
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Collector Sizing Guide

Depending on your region and size of system solar can provide between 50-90% of your domestic hot water needs. A properly sized system will provide almost all of a home's hot water in the summer months.  The following table provides a rough guide based on your location's climate and number of people.  
  • The tank sizing is the minimum suggested capacity for the solar dedicated tank, so using a larger tank is acceptable.  
  • Sizing is based on providing 90% of summer domestic hot water supply. 
  • Assumes an equator pointing collector installed +/- 10o of the latitude angle.


Additional guides for whole countries with climate colour coded map:

USA-Collector-Sizing-Map  Russian-sizing-map 


To understand more about collector efficiency, click here


Founded in 2003 by Australian Mick Humphreys with a specific focus on solar thermal solutions, Apricus has since grown into a global company with distribution and support offices worldwide. 



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