Type: Posts; User: JimtheHVACguy

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  1. Manual J8AE question: please help us understand how to work with attached garages!!

    We can't seem to understand how to deal with attached garages to basement walls. Table 4C doesn't make sense to us. In winter time how can we treat the unconditioned garage as having the outside...
  2. OK, first, I'm sorry but I can't answer your...

    OK, first, I'm sorry but I can't answer your question, -the only reason I am responding is because you obviously have "IT education" of some kind. I am trying to find out what kind of education,...
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    BAS Technician

    If someone wanted to be a BAS Technician, and I realize this is a broad term, what are the industry-recognized certifications this person would want to obtain? For example, I know of the "Niagara AX"...
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    HVAC/R education

    As an HVAC/R teacher I thought I would get your response to this general question: I think I'm doing a good job introducing brand new students to this industry, -we go over the basics of...
  5. NFPA standard for using electric meters?- gloves???

    Someone told me that according to a specific NFPA standard (I forgot which one) anyone within 16inches (or less) of 50VAC or more is required to wear fire-rated gloves. And these things cost about...
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    DDC and BAS concepts

    As an HVAC teacher I am constantly seeking new ways to explore and teach this subject, DDC and BAS. With the diversity of this particular topic, the number of manufacturers, it is very hard to know...
  7. HVAC/R Teacher Position Available in Chicago area (west)

    If you live in the western suburbs of Chicago, and you LOVE to teach, and you have at least an Associate Degree (preferably in HVAC/R), and you have a long work history in the HVAC/R industry (I...
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    thanks for the insight

    The factor was in front of me all the while. My problem was focusing only on the CFM. For high-temp systems a decrease in CFM will lower %RH, but that same decrease in CFM for medium-temp systems...
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    airflow through evap and humidity

    Here's a puzzler: the CFM/ton for high temp systems is 400. Lower the airflow and the end result is more moisture off the coil and a lower %RH in the space, like your house. However, for medium temp...
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