Posted by: lcowie | November 16, 2010

Basic Building Science

The interesting part of BPI is that everything you learn during your training course is more or less common sense. It’s basic building science principles that you are familiar with, but never think of. For example, one of the most important concepts we learned during the class is that energy naturally flows from high concentrations to low concentrations. It may take a second to wrap your head around it, but if you substitute the word “energy” with “heat,” which is basically the same thing, it makes sense.

Heat is filled with energy. Cold is the absence of energy. Heat will always flow from hot (high concentration of energy) to cold (low concentration of energy). You see this all the time. When you take a shower, the room gets filled with hot air and moisture. If you have a conjoining bathroom, in which the bathroom is somewhat split into two rooms – one for the toilet and shower, and one for the sinks and mirror – you will see all the hot air and moisture seep into the room with the sinks and mirror. I never used to use my exhaust fan in the bathroom, and I used to keep the doors conjoining the two rooms in the bathroom open. I would always notice, following a shower, that condensation would appear on the mirror in the conjoined room. This is an example where the high concentration of energy has moved to the area with low concentration of energy! I never really examined the phenomenon, but now having to pay attention to it during my BPI training course, it makes complete sense.

Moisture follows the same principle of movement. It will move from wet to dry. You see this when you spill a cup of water. The contents of the cup do not stay in one spot; the water particles will disperse over the table and make a bigger mess! This is moisture moving from a wet surface to a dry surface. You see examples of this movement everywhere. Since this principle is included in the BPI Building Analyst training, you should easily be able to identify with the concept and understand it.

My training course stimulated my thinking toward a variety of household phenomena. I was able to picture a different scenario in my home with every concept we learned, whether it be energy flow, air conditioning, or something else.

How many household examples of energy flow can you think of? Leave a comment!


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