Tom Mallard's Blog Posts Tagged 'passive-solar' (1)

Applied Passive-solar Structural Design

Passive-solar has been known to work well but certain things about our architecture fail the thermodynamic efficiency test and there are reasons why.

First is heat-transfer through conduction, the wood, drywall, sheathing all having rather high heat-transfer coefficients. Next is convection from a heat-riser which takes the warmth of the floor and moves it to the ceiling.

Until these are dealt with they cost a lot of energy, if one is trying to not require external heating for…

Continue

Added by Tom Mallard on December 21, 2011 at 1:00pm — No Comments

Most Popular Blog Posts

Monthly Archives

2011

Forum Discussions

Investigating 3257KWH monthly usage issue.

Started by Brent Shapiro in General Forum. Last reply by John Nicholas 1 hour ago. 6 Replies

Earn 2 BPI CEUs by Blogging for BPI

Started by Quinn Korzeniecki in General Forum on Monday. 0 Replies

What made this chimney fall down?

Started by Eric Kjelshus in General Forum. Last reply by Eric Kjelshus Jun 15. 5 Replies

Studies on Home Energy Audit Energy Savings Potential?

Started by Julie Saporito in General Forum. Last reply by Danielle Sass Byrnett Jun 15. 5 Replies

Latest Activity

John Nicholas replied to Brent Shapiro's discussion Investigating 3257KWH monthly usage issue.
"Check out the DHW unit.  What temperature is the water entering and leaving the unit?…"
1 hour ago
Brent Shapiro replied to Brent Shapiro's discussion Investigating 3257KWH monthly usage issue.
"With regard to the outside lighting - zero outside lighting, in fact the lighting in the basement…"
3 hours ago
Green ID posted blog posts
3 hours ago
Rob Buchanan posted a discussion

Building envelope and mechanical interactive effects

Good afternoon everyone,I was reviewing some of the old BPI newsletters and noticed a…See More
7 hours ago

Photos

Loading…
  • Add Photos
  • View All

© 2017   Created by Lawrence Berkeley National Laboratory.   Powered by

Badges  |  Report an Issue  |  Terms of Service