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[EnergyPlus_Support] Re: Testing in design time

I recommend using DesignBuilder, which uses Radiance in its simulation for daylighting for the LEED EQ8.1 credit (very nice graphics), and can use energyplus for the daylighting used in conjuction with linear or step control for daylighing sensors for light power reduction. If using the appropriate "FullInteriorAndExteriorWithReflections" radiation mode, it is a fair approximation for modelling energy usage reductions due to daylighting measures (there are some restrictions when imploying this mode, such as non-convex zone definitions).

--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, Robin Cris <robin.cris@...> wrote:
>
> Thank you all for your help.
> 
> I want to check the energy saving for the building by changing the windows size in each facade but of course the smaller the windows the better the result.
> So I want to enter another parameter. natural light.
> 
> Can I model the building with natural light �combined��with energy light?
> Can I create a zone where I need the�illumination in that zone will be 400 lux?
> And then check for windows size?
> 
> Thank you so much for all the help
>




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