30 Jun '15, 2pm

When do desires/requirements compromise any energy efficiency?

If you build it to IRC 2012 code min it'll be tight enough. Going for low-gain windows on the west side and scaling them back as much as you can without impeding the view is something you have to consider carefully. On sunny winter days even low SHGC windows will have decent and desirable amount of solar gain, but it WILL roast you out in summer if you don't limit the size. In large houses with a favorable shape, the heating loads don't necessarily scale with the square footage of conditioned space, and you don't necessarily have to heat & cool the guest suites to comfortable levels when they're not in use. Designing the interior partitions so that the guest suites can be doored-off, and zoning the mechanicals to allow them to run at dramatically different setpoints than the space that is used all the time can do quite a bit for efficiency. A most-favorable shape is a simp...

Full article: http://www.greenbuildingadvisor.com/community/forum/energ...

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@ACEEEdc

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California

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usgbc.org 24 Jun '15, 3pm

The Senate Democratic Caucus meets regularly in a roundtable format to hear from industry and thought leaders about variou...