I’m 18 years old and going into my fourth week of college for HVAC. So far we have talked about states, matter, the components of refrigeration, OHSA etc. I am understanding all of that slowly, I still have some trouble with it but I’m slowly absorbing it.

However, when my professors talk about BTUs, I am at a loss. I understand that it is a way to calculate heat and that it stands for British Thermal Units but that’s all I can understand. When I try to read my textbook about it, I get confused because it goes so in depth.

Can someone please help me? – NostalgicDuck

The simplest explanation is the definition. It’s the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit. – Zackhood

**So if I had a pound of water sitting at 70° F, if the temperature was raised to 75° F that would be 5 BTUs?** – NostalgicDuck

I think he got it. By jove he got it! – toomuchpork

25 Sep