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Have you ever thought about the relationship between velocity and pressure? If you think about a fluid being forced through a small orifice, you can fairly easily picture the fluid speeding up as it goes through the orifice. However, did you also know that the surrounding static pressure DECREASES at the point of high velocity? […]Read more
The Pressures Look Good
Yeah? Well, how do you know? What should they be? What are the outdoor and return air temperatures? What SEER rating is the equipment? These are the questions I ask every single time a technician says the phrase, “But the pressures look good for [insert refrigerant of choice here].” When they can’t answer the questions […]Read more