UK Insolation: Heat Gain Through Windows & NSE&W Calcs

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SUMMARY

The discussion focuses on calculating heat gain through windows, specifically for vertical surfaces using North, South, East, and West (NSE&W) orientations. The user, Kev, has gathered data from a glass manufacturer, a net-based calculator, and the BRE Standard Assessment Procedure for energy rating houses, but finds discrepancies among these sources. Kev is leaning towards the net-based calculator for reliability and seeks additional standards or models to confirm accurate heat gain figures.

PREREQUISITES
  • Understanding of heat gain calculations for building design
  • Familiarity with the BRE Standard Assessment Procedure
  • Knowledge of net-based energy calculation tools
  • Basic principles of solar radiation and window performance metrics
NEXT STEPS
  • Research the latest version of the BRE Standard Assessment Procedure for updated guidelines
  • Explore advanced features of net-based calculators for heat gain analysis
  • Investigate ASHRAE standards related to solar heat gain coefficients
  • Learn about the impact of window orientation on energy efficiency
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Architects, energy consultants, and building engineers involved in energy efficiency assessments and heat gain calculations for residential and commercial properties.

lurksalot
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I am doing a few calcs regarding heat gain through windows and I am looking fot some typical values to apply for vertical surface NSE&W.
I currently have figures from a glass manufacturer, a net based calculator and the BRE standar assesment proceedure ( for energy rating houses).
All three are wildly different with the net based one looking most likely , but does anyone know of any standards or models that can provide a reliable figure I can use.
many thanks in advance
Kev
 
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I am leaning further to the net based calculator now.
But does anyone have any knowledge of gain figures or any idea where to find them

Kev
 

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