Christopher Morin's Blog – May 2012 Archive (3)

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

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

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

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

Profile IconEdward Burns, Nina Baird, Cindy Hasenjager and 2 more joined Home Energy Pros
11 minutes ago
John Proctor commented on Chris Laumer-Giddens's blog post Sparky Doubled the Air Leakage in this Home!
"Nice job on the house -- bad job on Sparky's high tech hole."
5 hours ago
Jeffrey Gephart shared Chris Laumer-Giddens's blog post on Facebook
5 hours ago
Diane Chojnowski's video was featured

Raising the Bar within the Weatherization and Home Performance Industry

The Weatherization Assistance Program (WAP) was created in 1976 to assist low-income families who lacked resources to invest in energy efficiency. Through th...
5 hours ago
Carlee Quintas posted a blog post

A Green Home for the Holidays

The holidays are here, which means house parties and guests galore, not to mention the aunts,…See More
6 hours ago
Alfie Davis posted a photo

Handschuhe im Wandel der Zeit

Im Laufe der Jahrhunderte haben sich #Handschuhe zu dem entwickelt, was sie heute sind:…
8 hours ago
Dennis Heidner replied to Rod Fox's discussion Utility Meter Accuracy
"For Rod, second part... When I see really large electric services... my first reaction my be…"
18 hours ago
Dennis Heidner replied to Rod Fox's discussion Utility Meter Accuracy
"Rod,  I did see earlier that you had calculated the loads.  The key is even though a…"
19 hours ago

© 2015   Created by Lawrence Berkeley National Laboratory.   Powered by

Badges  |  Report an Issue  |  Terms of Service