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Cold Water Temp, C:
 
 
 
 
Efficiency of the system %:
Efficiency of collector %:
 
 
 
Solar Radiation, Kwh/m2.day:
 
No. People in    Property:
Occupation %:
Kitchen water demand/day (l):
Hot water tank size (m3):
Hot water demand/p/d (l):
 
 
 
Collector yield, KWh/m2:
Collector Array area, m2:
Continue in Section 2 >>>
 
 
Section 2
 
 Solar fraction %
 
 
   Output

 ■  Input

 Solar fraction %
Hot water temp in storage tank, C:
 

 Solar Panel for water heating design

This online application calculates the surface area (m2) of solar panels required to     secure sufficient hot water for a residential or commercial building. Additionally, this application calculates the volume of hot water storage tank required (m3).