All Blog Posts Tagged 'comfort-zone' (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

2014

2013

2012

2011

2010

Home Energy Pros

Home Energy Pros was founded by the developers of Home Energy Saver Pro (sponsored by the U.S. Department of Energy,) and brought to you in partnership with Home Energy magazine.

Latest Activity

Bob Blanchette replied to peter chang's discussion Programmable tstat for electric baseboard?
"Savings depends a LOT on how it's programmed. I've even done a setup with a contactor,…"
20 minutes ago
Bob Blanchette replied to Hal Skinner's discussion Any success getting landlords to energy upgrade a single family rental unit?
"Sell utility subsidized services to the tenants. It has to pay back within a year though."
24 minutes ago
Tom Mallard replied to Hal Skinner's discussion How much heat energy is lost through the floor of a house?
"Thx, Robert. Being a PNWester where crawl spaces are moist or wet seasonally & some sites never…"
3 hours ago
Hal Skinner added a discussion to the group The RCC Classroom (Radiant Control Coatings)
3 hours ago
Hal Skinner replied to Hal Skinner's discussion How much heat energy is lost through the floor of a house?
"I can only speak for the one I have worked with over t6he years.  We have a certification for…"
3 hours ago
Chad Mcaulife replied to Chad Mcaulife's discussion BPI QCI Cert.
"Thanks for the reponses.  I have a 40 hr class staring 12-8-2014 which should prepare me for…"
4 hours ago
Hal Skinner replied to Hal Skinner's discussion How much heat energy is lost through the floor of a house?
"Hi George, I can see where this could be a HUGE issue in Canada.   We spray our RCC directly…"
5 hours ago
Everblue joined Diane Chojnowski's group
Thumbnail

Hall of Shame

In this group, members share an array of images from the field, showing the kinds of issues…See More
6 hours ago

© 2014   Created by Lawrence Berkeley National Laboratory.

Badges  |  Report an Issue  |  Terms of Service