Featured Blog Posts – May 2012 Archive (11)

Conversations from the Wx Frontlines: Terry Emelander

Another winner of the 2011 Weatherization Assistance Program National Recognition Award, presented at the National Weatherization Training Conference in New Orleans, Louisiana, was Terry Emelander. (You can view an entire list of winners here.)

Terry is the owner and president (along with being a licensed Michigan builder) of T & L…


Added by Macie Melendez on May 30, 2012 at 8:30am — No Comments

Portland’s First Passive House (Passiv Haus)

Jake Staub and Sonia Barrantes, two veteran former U.S. Navy Test Pilots in Portland, and Chris Corson, of EcoCor Design/Build in Belfast, have embarked on Portland’s first Passive House journey set to break ground in Spring 2012.

For Staub and Barrantes, the Passive House, or Passiv Haus for…


Added by Samuel Strickland on May 24, 2012 at 8:08am — No Comments

A Solar House with Soul in Wiscasset, Maine

A brand new passive solar house completes the first piece of a long held dream for homeowner Jason Peacock. A builder and LEED Accredited Professional, B.A. Jason also works at Maine Green Building Supply where he has honed his sustainable knowledge. Passionate about green, when Jason bought 36 acres of land just outside of Wiscasset, Maine he had a very specific vision in mind.…


Added by Samuel Strickland on May 23, 2012 at 1:45pm — No Comments

Diagnosing Improper Fixed Orifice Sizes

   I have found that this topic often goes unnoticed, or can be a guessing game out there in the field.  Diagnosing improper fixed orifice sizes is actually a fairly simple, cut and dry procedure.  First, I would argue for efficiency reasons, as well as ease of proper charging, you should just field install a TXV.  Of course, when you are on the job site you don't want to spend precious time attempting to adjust refrigerant charge with the incorrect orifice. You would never be able to get…


Added by Christopher Morin on May 23, 2012 at 5:31am — 2 Comments

Conventional AC is not COOL

In order to feel comfortable in the cooling season conditioned air has to be at the right air temperature AND relative humidity. Conventional AC dehumidifies when it is running but it is thermostatically controlled by air temperature only. Which means that when air temperature is reached the AC turns off and stops dehumidifying. Not a big problem if you live in an arid climate such as Pheonix but if you live in New England where the summers are very humid and not…


Added by Joseph Novella on May 22, 2012 at 6:36pm — 12 Comments

Conversations from the Wx Frontlines: Robert Parkhurst

At the most recent National Weatherization Training Conference that took place in New Orleans, Louisiana, six people were presented with a 2011 Weatherization Assistance Program National Recognition Award.

The Recognition Awards acknowledge outstanding contributions that advance the goals of WAP through individual or group achievement, inspiration, or innovation. The Recognition Awards program is open…


Added by Macie Melendez on May 17, 2012 at 2:00pm — No Comments

Correctly Sizing a Capacitor

I don't know how many times a technician has said that they installed a part based on what was on their service truck.  I have heard of technicians wasting money over-sizing contactors, cutting down air filters, and even using controlled substances to clear condensate drains!  Of course, these scenarios all get the job done, but I would argue the many reasons why not to do these.  The one thing that gets to me is when a technician doesn't verify they are installing the correct size dual run…


Added by Christopher Morin on May 13, 2012 at 11:43am — 2 Comments

Missed Opportunity? Energy Audits @ Home Purchase

It may be the…


Added by Laura Reedy Stukel on May 8, 2012 at 9:30pm — 12 Comments

Realistic Expectations and "The Occupied Zone"

How many times as a technician have you gone out to the same customer's home because of unrealistic expectations?  Some homeowners expect air-conditioners to work like an ice box, want you to size them for their big party on Fourth of July weekend, and expect you to show up at the drop of a dime when it doesn't meet their impossible notion.  Of course, this could be avoided by establishing a standard during the sales process or a little customer education.  I liked to talk about "The…


Added by Christopher Morin on May 5, 2012 at 8:07pm — 1 Comment

Editorial: Reflections on ACI

An industry's health is sometimes measured by the enthusiasm of its trade shows. Arguably, ACI is not a trade show, but it certainly is a bellwether for the home performance industry. And it rocked. By all measures, ACI was larger, broader, and more exciting than past conferences.

ACI continues to be a magnet for audiences ranging from contractors just starting out and receiving blower door training to engineers and building scientists. In this way, it serves as the premier…


Added by Home Energy Magazine on May 1, 2012 at 10:34am — 5 Comments

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