I was listening to someone talk about air relative humidity the other day while looking at a psychrometric chart, and he commented that the chart ends down at freezing (32°F) because “all the water freezes out of the air at that point.” I think I made this Jed Clampett face: The psychrometric chart is designed […]

This is an open letter sent to staff at Kalos Services. Hey Everyone, First, I want to remind you that you are in no way obligated to read company emails or do anything work-related when you aren’t working. So, if you don’t want to be bothered by this on your day or time off, then […]

If you are primarily a residential technician working on equipment under 5 tons, there are many similarities between the systems you are used to and 5-20 ton rooftop units common to the light commercial market. There are MANY additional things to consider on larger equipment, and here are just a few. Wash Fresh Air Filters […]