Calpak retrofit system 300ltr., evacuated tubes

System Description
  • Two 12 Evacuated U tube collectors with high reflection CPC reflector.
  • 1600x1330x100 each, system Net Aperture area 3.92 sqmtr .
  • Absorbtion 95, emmittance 5.
  • Low iron tempered Prismatic Glass.
  • 5-way valve connected into your existing 250ltr-330ltr cylinder.
  • Solastat controller plus 2
  • Solastat Relay
  • Wilo Intec Pump Unit
  • Air vent
  • 2749 kwhrs saved PA

Savings Estimate

 Years since installation  Price per kilowatt  Total savings
 5  $0.27  $3,835.00
 10  $0.36  $8,231.40
 15  $0.48  $14,114.80
 20  $0.64  $21,988.00
* Based on a starting point of $0.20/kwh, and 6% increase per year (actual average increase is 9.77% PA, so your actual savings will be higher).  Detailed cost/benefit analysis available upon request.

Price: $5,417.10 incl GST

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