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Thermal insulation of glass windowsFeatured science projectScience project video

Conclusion

Our hypothesis has been proven correct - double-glazed glass and film-coated glass provide better thermal insulation compared to single-glazed glass windows.

Glass windows provide better natural lighting but they also result in an increase of indoor temperatures. This will result in higher air conditioning costs. The heating that results from glass windows can also be reduced by planting trees near the windows, using fabric curtains or Venetian blinds.

Also consider

To improve the reliability and accuracy of our results, a larger sample of participants should be used.

This science fair project may be repeated, this time, with a thermal source like an incandescent lamp to compare the thermal insulation of single-glazed windows, double-glazed windows and film-coated glass.

Modify the science project experiment, evaluating glass of different thickness.

References

Insulated glazing - http://en.wikipedia.org/wiki/Insulated_glazing

How to reduce indoor heat gain from windows - http://www.ehow.com/how_12030_reduce-indoor-heat.html

Glass facts - http://www.gpwindowfilms.com/glass-facts.html

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Complexity level:
8
Project cost ($):
80
Time required:
2 days to prepare, 1 hour for the science project experiment
Material availability:
Easily found
Safety concerns:

None