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SOLAR WATER HEATING SYSTEMS FOR HOTELS

SOLAR WATER HEATING SYSTEMS FOR HOTELS. TABLE OF CONTENT.

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SOLAR WATER HEATING SYSTEMS FOR HOTELS

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  1. SOLAR WATER HEATING SYSTEMS FOR HOTELS

  2. TABLE OF CONTENT - Energy from the sun - Glazed flat plate collectors - Evacuated tube collectors - Pictures of solar collectors - Factors for successful projects - Bali sun radiation - Configuration and installation - Commercial / industrial applications - Conclusion

  3. ENERGY FROM THE SUN

  4. EVACUATED TUBE COLLECTORS Higher cost No convection losses High temperature Cold climates Installation can be more complicated

  5. GLAZED FLAT PLATE COLLECTORS Moderate cost High temperature operation (up to 95°C) Can operate at mains water pressure

  6. PICTURES OF SOLAR COLLECTORS Flat plate Evacuated tube

  7. FACTORS FOR SUCCESSFUL PROJECTS • Large demand for hot water to reduce impact of fixed costs • High energy costs (diesel, LPG, electricity) • No reliable conventional energy supply • Strong environmental interest by building owner/operator • Daytime hot water loads require less storage • Maintenance similar to any plumbing system, but operator must be committed to timely maintenance and repairs

  8. BALI SUN RADIATION

  9. CONFIGURATION AND INSTALLATION Controller Remote Monitoring option

  10. SAVINGS ON CARBON EMISSIONS Typically, in Bali, solar heating of 30 m3 of hot water per day from ambient to 60°C will result in preventing the emission of approximately 260 tons of CO2 per year (Source Retscreen4) For hotels, it is a path to worldwide “Green Globe Certification” and other “Eco-Tourism” labels (solar energy ‘harvested’ can be displayed in hotel Lobby and Rooms, on their website…)

  11. COMMERCIAL / INDUSTRIAL APPLICATIONS • Hotels, apartments and office buildings • Health centers & hospitals • Restaurants • Sport facilities, schools, shower facilities • Aquaculture, other small industry • And… solar cooling, solar thermal power plant!

  12. SAMPLE OF LARGE SCALE SOLAR THERMAL POWER PLANT

  13. CONCLUSION • Significant hot water demand, high energy costs, and strong commitment on part of owner/operator are important factors in success • Based on data provided on its Thermal Energy Questionnaire and on site survey, for each hotel or building, Contained Energy determines: • The most suitable SWHS, heat pump and other equipment configuration • The cost savings and return-on-investment generated by the proposed solution • Contained Energy then offers: • To supply and install the system, including data logging device • Split payments and rental schemes • Training and after sales services • With ROI of mostly less than a year, there is no more time and money to waste!

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