Chris Jefferies
  • Berkeley, CA
  • United States
Share on Facebook Share on Facebook Share

Chris Jefferies's Friends

  • Elizabeth Russell
  • Silas Inman
  • Diane Chojnowski

Chris Jefferies's Groups

Chris Jefferies's Discussions

home energy management
11 Replies

I originally posted this in MyPage and was disappointed at the lack of response.  I was prodded to re-post here and perhaps it will stir a discussion.I would call myself an advanced amateur at…Continue

Started this discussion. Last reply by William H Nickerson Nov 10, 2010.

 

Chris Jefferies's Page

Latest Activity

Chris Jefferies joined Diane Chojnowski's group
Thumbnail

News & Announcements

Share your news and announcements with the community in this group.See More
Apr 21, 2011
Chris Jefferies updated their profile
Apr 21, 2011
William H Nickerson replied to Chris Jefferies's discussion home energy management
"Metering is going to be classical music of this new energy era.I too have started a micro processor data logging(LAN only)but as I add more sensor's the question always comes up.OK but what is it that I'm referencing this against?Weather…"
Nov 10, 2010
Peter Troast replied to Chris Jefferies's discussion home energy management
"Chris--sounds like we have similar views on the smart meter trojan horse, but let's not go there in this thread. Regarding the $50 challenge from Dan Reicher at Google: keep in mind this was his eventual goal. The numbers I've seen are…"
Nov 10, 2010
Bill Melendez replied to Chris Jefferies's discussion home energy management
"Chris: I can understand your concern and frustration over what is available to homeowners for managing their appliance energy. I also commend you on your inventing solutions. The home energy management market is gaining momentum and prices for…"
Nov 9, 2010
Silas Inman replied to Chris Jefferies's discussion home energy management
"Chris, That isn't a bad system at the David Brower Center, it is very similar to the system my company sells...except our electricity portion works and the information is update more frequently, the information for the Center isn't…"
Nov 9, 2010
Chris Jefferies just added their location.
Nov 9, 2010
Chris Jefferies replied to Chris Jefferies's discussion home energy management
"Silas, Peter, Yes I track lots of DIY sites and Twitter feeds. I used Google Reader to track dozens of blogs, too. I read Hackaday, Instructibles, MakezZine, Adafruit, MightyOhm and on and on... I go to the Maker Faire every year, and I'm…"
Nov 9, 2010
Peter Troast replied to Chris Jefferies's discussion home energy management
"@Chris--I like where you're headed with this, especially the ambient sensors and future potential for gas, propane and, I hope, heating oil. There are a couple of efforts, Plotwatt being the primary one, aimed at the space between the single…"
Nov 5, 2010
Chris Jefferies and Silas Inman are now friends
Nov 4, 2010
Silas Inman replied to Chris Jefferies's discussion home energy management
"Chris, Once you have completed your unit do you have any plans of making is accessible to the public or selling it? From your posts it seems that you would rather enjoy a website called hackaday. They have some great articles on there about creating…"
Nov 4, 2010
Chris Jefferies commented on Silas Inman's blog post Energy Savings to the Cloud
"Silas, I would challenge the concept of tracking the difference in kW based on the On/Off of an appliance. A refrigerator for instance cycles on and off at somewhat regular intervals. At night, perhaps is slows the cycles. So at the end of a week,…"
Nov 4, 2010
Chris Jefferies replied to Chris Jefferies's discussion home energy management
"Silas, I have built a sensor that uses an MQ 6 propane gas sensor. I also have similar gas sensors that can detect natural gas, carbon monoxide, and a generic one that senses smoke and flammable gas. These cost about $5 each. I also have a…"
Nov 3, 2010

Profile Information

Company
Tinaja Labs
Professional Interests
Home energy management, data acquisition, wireless sensor networks, software development, open source...
Website URL
http://tinajalabs.com
Twitter ID
tinajalabs
Facebook Page
http://facebook.com/tinajalabs

Chris Jefferies's Photos

Loading…
  • Add Photos
  • View All

Chris Jefferies's Blog

Home energy management

I would call myself an advanced amateur at hardware/software solutions for home energy management. I experiment with various ways to remotely monitor sensors and I am particularly interested in ways to make it affordable and meaningful to track energy usage, down to the appliance level, within a residential environment.


My current system uses three power sensors and one temperature sensor (solar powered), all wireless using the zigbee protocol. They are polled by a low…
Continue

Posted on October 27, 2010 at 12:28pm

Comment Wall

You need to be a member of Home Energy Pros to add comments!

Join Home Energy Pros

  • No comments yet!
 
 
 

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.  Home Energy Pros is sponsored by the Better Buildings Residential Network.

Latest Activity

Colin Genge updated an event
Thumbnail

Passive House Testing Webinar with Kevin Brennan of the Passive House Academy at Online

September 29, 2015 from 1pm to 2pm
Tests needed to qualify as a passive houseWhy we’re seeing an increase in PH buildingsBest…See More
2 hours ago
Colin Genge updated an event
Thumbnail

DM32 Smart Gauge 101 Webinar at Online

September 22, 2015 from 1pm to 2pm
Webinar Learning Objectives:Gauge settings and operationCalculate results in the gaugeUpdate the…See More
2 hours ago
Colin Genge updated an event
Thumbnail

Blower Door 101 Webinar at Online

September 15, 2015 from 1pm to 2pm
See how easy it is to do your first test. Learn tips to perform your first duct test in only twenty…See More
2 hours ago
Colin Genge updated an event
Thumbnail

Zone Pressure Diagnostics (ZPD) with Bill Eckman of NME$A Webinar at Online

September 10, 2015 from 1pm to 2pm
Benefits and limitations of Zonal Pressure Diagnostics (ZPD).Best practices for accurate…See More
2 hours ago
Colin Genge updated an event
Thumbnail

Problem Solving- Air Tightness Tests of Large Buildings Webinar at Online

September 1, 2015 from 1pm to 2pm
Effect of Stack Pressure during airtightness tests in tall buildings-caluculating the effectsHow…See More
2 hours ago
Kim Tanner posted a discussion

Fantastic innovation

What an awesome example of fantastic innovation!Check out the TrueFlow Capture Box CEE made!…See More
3 hours ago
Amina Lang posted events
3 hours ago
John Kaye is now a member of Home Energy Pros
4 hours ago

© 2015   Created by Lawrence Berkeley National Laboratory.

Badges  |  Report an Issue  |  Terms of Service