EER & COP vs. SEER & HSPF
Let's get through all of the jargon and try to get to the point as quickly as possible. All of these ratings are a calculation of how much energy you have to put into a system in order to get a BTU of heating or cooling out. Simple… But the problem is that cooling and […]
Read more
How “Hot” Does That Get?
I got in one of these tiny torches the other day to experiment with brazing aluminum in tight spots and one of the techs walked in and asked “what type of torch is that” to which I answered “It's oxy/acetylene”, he picked it up and looked at it a bit then asked “Does that get […]
Read more
Cooling Capacity Isn’t Always What it Seems
We all learned how to read the tonnage off of a model number within a few weeks of beginning in the trade. What you may (or may not) have learned is that just because something has an 036 in the model number, that does not mean it actually produces 36,000 BTU/hr, even during RATED conditions, […]
Read more
loading

To continue you need to agree to our terms.

The HVAC School site, podcast and daily tech tips
Made possible by Generous support from