Author: Ed Janowiak

Over the next few months, Ed Janowiak will cover topics about measuring airflow, focusing on airflow measurements and how important it is to follow “the rules.” This month, he’s covering static pressure measurement.

Do you like the sun shining on your face on a cold winter morning? ACCA’s Ed Janowiak does, but that’s not the case on a hot summer day. Strategies like opening the blinds to take advantage of the free BTU’s in the winter, and pulling the blinds closed to keep the sun out in the summer are great ways to stay shady. But, do these strategies help to get more run time out of your system?

Acknowledging shade is a big part of doing a load calculation. Sometimes it’s done correctly and sometimes it’s done incorrectly. The more accurate we are with our inputs the more predictable our results will be. There are hard and fast rules that should be followed in Manual J. Some of the more important ones are discussed in this article.

Do you look forward to checking a heat pump’s performance in the winter? Do you have a routine that you rely on? We are going to walk you through a process that gives a good indication of whether the system is doing what it is supposed to be doing, or not. The best part is you don’t have to buy any special tools and the process is easy, it just requires some simple math.

From thermal heat pump balance points to economic, ACCA HVAC expert Ed Janowiak explains all you need to know about balance points.