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Comparing Green Structures with Different Thermal Efficiency Designs

Comparing Green Structures with Different Thermal Efficiency Designs. By: Mohammed I Daher. Aims and Objectives:. Aims : Provide an understanding of the importance of thermal insulation and its benefits. Objectives:

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Comparing Green Structures with Different Thermal Efficiency Designs

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  1. Comparing Green Structures with Different Thermal Efficiency Designs By: Mohammed I Daher

  2. Aims and Objectives: • Aims: • Provide an understanding of the importance of thermal insulation and its benefits. • Objectives: • Determine the payback period and return on investment for investing in different thermal insulation designs and heating systems. • Determine the Carbon footprints of different cases of thermal insulation and heating systems.

  3. Methodology: Case 3: Case 1: Case 2: Jordanian thermal insulation code 2002 U-Values: 1.8 W/m2.k (walls), 1.0 W/m2.k • Jordanian thermal insulation code 2009 • U-Values: 1.6 W/m2.k (walls), 0.55 W/m2.k • No thermal insulation (traditional building) • U-Values: 3.34 W/m2.k (walls), 2.44 W/m2.k Case 4: • High efficiency thermal insulation (Al- Kamaleyah Residence) combined with solar heating • U-Values: 1.3 W/m2.k (walls), 0.2 W/m2.k

  4. Case 1: • Total mechanical heating cost: 15305 JD • Annual fuel cost: 4119.9 JD/year • Carbon footprint: 26 Tons of CO2 annually • Thermal insulation cost: Zero • Total mechanical heating cost: 10070 JD • Annual fuel cost: 2086.92 JD/year • Carbon footprint: 13.21 Tons of CO2 annually • Thermal insulation cost: 2135 JD Case 2:

  5. Case 3: • Total mechanical heating cost: 9139 JD • Annual fuel cost: 1724.22 JD/year • Carbon footprint: 10.92 Tons of CO2 annually • Thermal insulation cost: 3355 • Total solar heating cost: 11880 JD • Annual fuel cost: Zero • Carbon footprint: Zero CO2 emissions • Thermal insulation cost: 3249.4 JD Case 4:

  6. Total investment cost

  7. Proper thermal insulation reduces the fuel cost needed to maintain thermal comfort in buildings.

  8. Payback period: • Payback period for investing in case 3 over case 2: (12494 – 12205) / (2086.92 – 1724.22) = 0.8 years = 10 months • Payback period for investing in case 4 over case 2: (15129.4 – 12205) / (2086.92 – zero) = 1.4 years = 17 months • Payback period for investing in case 4 over case 3: (15129.4 – 12494) / (1724.22 – zero) = 1.52 years = 19 months

  9. Return on Investment:

  10. Return on Investment:

  11. Conclusions: • Investing in high efficiency thermal insulation and solar heating saves operational cost on the long run and eliminates CO2emissions. • Investing in high efficiency thermal insulation and solar heating can have a payback period as short as 17 months and return on investment as high as 49.64% over 5 years. • Investing in thermal insulation can result in savings on initial investment cost as lower capacity mechanical heating would be required.

  12. Any questions?Thank you. mohammed.i.daher@gmail.com 00962 79 6555779

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