w d
  • Willowbrook, IL
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w d's Discussions

AERC testing and Solar Grates update

Started this discussion. Last reply by romeo traian Jul 26, 2015. 6 Replies

AERC of WCMA has been created to test the effectiveness of window attachments and to design an Energy Star type rating system to cover these devices.  The work will occur over the next 4 years or so…Continue

Managing Solar Energy

Started this discussion. Last reply by Bob Blanchette Oct 19, 2014. 1 Reply

What's the state of the art on managing solar energy (esp. at the home)?There's surely no shortage of opinion but I'm wondering if there is actual data on this.  The data should identified by climate…Continue

 

w d's Page

Latest Activity

w d commented on Tom White's video
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Web Exclusive: How a German Home Maximizes Energy Efficiency

"Those triple pane glass doors are impressive.  Something between a bank vault and a Swiss watch.  Mucho $ ?? The roller shade is an upgrade to ones found on my parents' Mountain home.  Both designs are powered and descend from…"
Dec 7, 2015
w d replied to Tauran Ivall's discussion Energy Efficient Entry Door options out there?
"Tauran, This subject has been discussed several times on the Green Building Advisor website ( greenbuildingadvisor.com ) . As I recall it, options to replace the entry door are expensive and with poor years-to-payout. The options you've listed…"
Nov 5, 2015
w d replied to Bud Poll's discussion How do we pay for the grid?
"The GRID:  not an answer, just my starting point: Who pays to maintain the grid?  To me, it's those that access and/or use the grid.  That includes a lot of people with PV panels because they may want the reliability of the…"
Aug 6, 2015
romeo traian replied to w d's discussion AERC testing and Solar Grates update
"w d, i visited your site... interesting... could you please say something more... re the following: - what was the latitude of your experiment location ? ... to have an idea about the sunpath overthere. - what was your conclusion re the effciency…"
Jul 26, 2015
romeo traian replied to w d's discussion AERC testing and Solar Grates update
"w d, thank you for your new info. i will look again at it, more carefully, tomorrow. i do not live in US but in Romania. it's around 45 degrees northern latitude and continental cilmate over here, for almost all of the country. so sun…"
Jul 25, 2015
w d replied to w d's discussion AERC testing and Solar Grates update
"Romeo, The egg crate diffusers are sold at home building products stores like Loews, Home Depot, and Menards (as examples).  They may be sold at lighting or hardware stores.  These products are priced in line with lighting…"
Jul 25, 2015
romeo traian replied to w d's discussion AERC testing and Solar Grates update
"thank you w d ! ...you seem to be the inventor... who experimented with solar grates over a long time... sorry for not undertanding that from your first post. i would like to make a try myself, i am afraid i wiil not be able to find where i live…"
Jul 25, 2015
w d replied to w d's discussion AERC testing and Solar Grates update
"Romeo, I'm not sure what would constitute a good explanation for you.  Here are a couple of thoughts from a fellow layman: 1)  The prototype grates were made of polystyrene containing a UV stabilizing additive.  The egg crate…"
Jul 24, 2015
romeo traian replied to w d's discussion AERC testing and Solar Grates update
"could please someone explain for a layman, how is it possible for a solar grate made from a common material like metal, plastic or wood (that's the material used according to the author's site) to reflect solar radiation SELECTIVELY ? i…"
Jul 24, 2015
w d posted a discussion

AERC testing and Solar Grates update

AERC of WCMA has been created to test the effectiveness of window attachments and to design an Energy Star type rating system to cover these devices.  The work will occur over the next 4 years or so and I'm told Solar Screens will be included in the testing.  The selection of testing candidates depends on factors such as technical merit and market presence. A product similar in savings to Solar Screens is Solar Grates.  Each has it's advantages and both are mounted external to the window. …See More
Jul 6, 2015
w d replied to Irvin McLaughlin's discussion Unhappy customer, feels should have saved more...
"Irvin, You sound very professional and responsible.  I'd be please to hire you.  You asked for thoughts.  The customer was apparently interested in that 30% energy savings.  I don't find anything wrong with you or the…"
Jan 2, 2015
w d commented on Tom White's video
Nov 3, 2014
w d's discussion was featured

Managing Solar Energy

What's the state of the art on managing solar energy (esp. at the home)?There's surely no shortage of opinion but I'm wondering if there is actual data on this.  The data should identified by climate zone where appropriate.  Assume the home is already reasonably sealed and insulated.1) USING SUNLIGHT.  If we consider a UNIT OF AREA in the sunlight and want to derive benefit from this, is it better to let the sun shine through a window in cool weather (called passive heating)?  activate a PV…See More
Oct 22, 2014
Bob Blanchette replied to w d's discussion Managing Solar Energy
"Look into passive solar heating. The south windows have enough overhang that the windows are shaded in summer, but allow the sun through in winter."
Oct 19, 2014
w d posted a discussion

Managing Solar Energy

What's the state of the art on managing solar energy (esp. at the home)?There's surely no shortage of opinion but I'm wondering if there is actual data on this.  The data should identified by climate zone where appropriate.  Assume the home is already reasonably sealed and insulated.1) USING SUNLIGHT.  If we consider a UNIT OF AREA in the sunlight and want to derive benefit from this, is it better to let the sun shine through a window in cool weather (called passive heating)?  activate a PV…See More
Oct 18, 2014
Diane Chojnowski left a comment for w d
"Welcome to Home Energy Pros! Feel free to join the conversation in the Forum and Groups. And share your energy efficiency photos, videos and upcoming events. If you're blogging about home performance, this is the place for you! Don't…"
Sep 24, 2014

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Retired
Professional Certification
BSME, MSME
Professional Interests
Energy efficiency
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wdontwit

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At 10:52am on September 24, 2014, Diane Chojnowski said…

Welcome to Home Energy Pros! Feel free to join the conversation in the Forum and Groups. And share your energy efficiency photos, videos and upcoming events. If you're blogging about home performance, this is the place for you!

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