Julio moreno High-Efficiency Furnace Quiz February 21, 2022, 9:15 pm

Comments

Related Tech Tips

What is Enthalpy?
Enthalpy is easy. It's just a state function that depends only on the prevailing equilibrium state identified by the system's internal energy, pressure, and volume. It is an extensive quantity. Simple. Like most things, the scientific definition is as clear as mud. In HVAC/R, we use enthalpy measurement to come up with the total heat […]
Read more
Glide at Static Pressure
Source: Refrigerant Slider in the Ref Tools App We've been pretty spoiled in residential and light commercial HVAC in the USA because we haven't needed to deal with glide much. In HVAC/R, glide is the window of difference between the boiling points in blended refrigerants; when you have a refrigerant blend made up of different […]
Read more
Does Mass or Volume Move Heat?
I once heard someone say, and have since repeated many times that BTU's ride on the back of Cubic Feet of Air or CFM. As I've learned more I've come to the conclusion that the weight or mass of the air passing over the evaporator coil is far more important to understand both in terms […]
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