John Porterfield
  • Male
  • Oak Park, IL
  • United States
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A Spot for Tech Questions (Spot! Here Spot!)
1 Reply

My firm provides post-installation inspections and owners representative services - independent guidance during installation similar to independent construction manager.  In these (of many) roles we…Continue

Started this discussion. Last reply by Diane Chojnowski Oct 17, 2012.

 

John Porterfield's Page

Latest Activity

John Porterfield replied to Doug Horgan's discussion Geothermal real-world performance
"Hi Joseph, I have a client w/ three GeoX systems in a 4000+ residence that clearly do not function properly & have ruled out envelope deficiencies that would explain discomfort and high use.  I want to recommend retro-commissioning and ask…"
Mar 4
John Porterfield commented on Home Energy Magazine's blog post Home Non-Energy - Preparing Homes for Future Blackouts
"This is a great concept.  I had approached the Illinois Institute of Technology with this concept as a student "Interprofessional" project (IPRO) some years back and will repeat this suggestion.  There is no "one size fits…"
Jan 7
John Porterfield joined Tom White's group
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Trainers and Mentors

Share your experience with different training and mentoring methods. Learn about new training tools, certifications and training programs.See More
Oct 17, 2012
John Porterfield joined Sean Lintow Sr's group
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Best Practices (Residential)

Best Building, Retrofitting, or even Auditing Practices - what are they, what should change, what needs to find it's way to the dust bin of history?See More
Oct 17, 2012
Diane Chojnowski replied to John Porterfield's discussion A Spot for Tech Questions (Spot! Here Spot!)
"John, You're welcome to start a group on this topic. Sounds like a great idea! "
Oct 17, 2012
John Porterfield's discussion was featured

A Spot for Tech Questions (Spot! Here Spot!)

My firm provides post-installation inspections and owners representative services - independent guidance during installation similar to independent construction manager.  In these (of many) roles we are continually confronted by less than specified or agreed installation quality.  Difficulties inherent with work in existing construction is a constant reality that installers face.  We want to help installers get closer to effective installation WITH best practices and help owners and EE programs…See More
Oct 17, 2012
John Porterfield posted a discussion

A Spot for Tech Questions (Spot! Here Spot!)

My firm provides post-installation inspections and owners representative services - independent guidance during installation similar to independent construction manager.  In these (of many) roles we are continually confronted by less than specified or agreed installation quality.  Difficulties inherent with work in existing construction is a constant reality that installers face.  We want to help installers get closer to effective installation WITH best practices and help owners and EE programs…See More
Oct 17, 2012
John Porterfield joined David Eggleton's group
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1000 Home Challenge

Linda Wigington distinguished between deep retrofits & deep energy reductions, thus expanding the range of strategies & tactics from which we might propose when engaging with people, the ones who choose.See More
Oct 17, 2012
John Porterfield joined James White's group
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Building Simulations

Work collaboratively to find easier, more accurate and better ways to model, predict and verify a home's energy consumption.
Oct 17, 2012
John Porterfield added a discussion to the group HVAC
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Now for Something Different

Now that my wife and I are involved in BPI training and plan to conduct field test at our residence, the work scope for integrated HVAC has become more involved.   We'd like to use our efficient tankless boiler AND have old style equipment remain functional for use as a BPI field test site.We're looking for an HVAC installer who has thoroughly mastered combined heating w/ air/water option.I have also posted at Heating Help dot com > search Therm_lag (me) and scroll to Integrated…See More
Oct 17, 2012
John Porterfield replied to Andrew Vidal's discussion Looking for a good load calculation software in the group HVAC
"To determine heating capacity required for existing building one may simply extrapolate design load by graphing metered use to outdoor temperature for a series (preferably a minimum of 12) of billing periods.  See HeatingHelp dot com >…"
Oct 17, 2012
John Porterfield joined Allison A. Bailes III's group
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HVAC

HVAC design, Manuals J, S, T, & D, Duct leakage, Air flow, ENERGY STAR new home requirements, and more. Since heating & cooling are such a big part of home energy use, understanding HVAC is critical.See More
Oct 17, 2012
John Porterfield joined Norm Bourassa's group
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Multifamily Buildings

For too long there has been relatively little EE focus on multifamily, but some new programs have recently started. This group gives us a venue to share our experiences on cost effective audit & retrofit strategies and analysis tool needs.See More
Oct 17, 2012
John Porterfield joined James Sayers's group
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Marketing Energy Efficiency

Sharing ideas, tools and examples of promoting energy efficiency to consumersSee More
Oct 17, 2012
John Porterfield commented on Diane Chojnowski's group Facebook Pages
"We're an experienced, independent, professional home energy auditing firm serving the entire Chicagoland area. http://www.facebook.com/pages/eZing-Home-Energy-Audits/370653477511?sk=info "
Dec 13, 2011
John Porterfield joined Diane Chojnowski's group
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Facebook Pages

Does your company or organization have a Facebook Page?This group is for pros who have facebook pages. Post the link to your facebook page in the comments so that folks can like you on facebook.See More
Dec 13, 2011

Profile Information

Company
eZing, Inc
Professional Certification
BPI, RESNET
Professional Interests
Figuring out smart things to do in buildings. Being a good person. Making sure things that are best kept in balance are, and things not not.
Website URL
http://www.ezing.pro
Blog URL
http://ezing.tumblr.com
Twitter ID
https://twitter.com/EnergyAuditing
Facebook Page
http://www.facebook.com/pages/eZing-Home-Energy-Audits/370653477511
LinkedIn Profile
http://www.linkedin.com/profile/view?id=9106639&locale=en_US&am...

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