Solar Hot Water

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References

Requirements

  • Generate enough BTU's equal to our heating season requirements
  • Durability = 50 years
  • Connect people to the sun
  • Fits on annex roof

Design / Selection

  • Ideas
    • Rushforth experience and design
  • Design
    • Solar Collector Array
      • 10 Solar panels
      • Location: annex roof
      • Position: 25% west of south wall
      • Manufacturer:Solene Cromagen - slightly better numbers and equally good pricing - just under $800 for a 4x10. His local distributor, Hickory Ridge Radiant.
      • Cover with PV panels in the warm season (below # of uncovered thermal panels)
        • 10 panels (Jan, Feb, Dec)
        • 7 panels (Mar, Nov)
        • 5 panels (Apr, Oct)
        • 3 panels (May, Sept)
        • 1 panel (Jun, Jul, Aug)
    • Water System
      • Drainback system / no glycol
      • by-pass thermal tanks in the summer
      • use green pipe (aqua-therma)for the distribution lines + insulate exterior
      • use high-temp silicone heater hose to connect panels.
    • Structure
      • Aluminum frame w/ weights
  • Maintenance
    • Clean them monthly

Rationale

  • Connectedness to the earth
  • net zero-energy
  • simplicity / optimized