M. What if any are the conflicts between strategies?
Cooling: Stack venting strategies could have a negative impact on heating loads in the winter months.
Day lighting: Could impact the cooling loads in the summer because of the additional heat gain.
Solar Heating: Landscaping that is planted for passive solar gains could affect winds currents utilized in natural ventilation.
Water: Landscaping which is best for solar gains may not be the best planting selection for minimal water use.
This is somewhat difficult without studying each of the areas. It will be interesting to hear what others come up with.
N. What are the economics of climate design and how do they relate to other sustainable strategies?
Climate design takes advantage of something that is occurring around you to your benefit at little or no cost. Sustainable strategies can range from saving you money to large up front and life cycle costs. Climate design strategies are free; you just need to be aware of what strategies work for your particular design problem.
O. How can the psychometric chart (Climate Consultant 3) help?
This chart gives you many considerations in your building design in which to gage performance. It helps you to understand the issues around comfort, sun shading, thermal mass, evaporative cooling, natural ventilation, heat gain, solar gain, humidity, wind protection, air conditioning and heating. I can't wait to use this program for school and work.
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Scott Pfeifer Spring 2008 Architectural Technologies
2 comments:
STRATEGIES
Good discussion.
5M. Just close off stack ventilation in the winter – not a true conflict.
Yes, too much daylighting can be problem in both summer and winter. But calibrated daylight can be cooler than artificial in the summer and might add solar in the winter.
Landscaping: yes; but it might also be symbiotic.
Landscaping and water use: probably not a problem here but Omaha looks very different – drought is a threat.
Climate design a little cost: right on.
Psychometric (see above).
Even if you close off the stack ventilation, won't a lot of your heat rise through the interior space making the top floor warmer than the lowest level. The key would be to find a way to circulate/balance.
It sounds like my strategies are not as big an issue as I was thinking. Are there other strategies which are big issue?
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