Eric Fitz Archives - HVAC School

Eric Fitz

Company name: Amply

Position: Co-founder & Co-CEO

Eric Fitz is co-founder, co-CEO, and CTO of Amply Energy, a company that makes game-changing software for heat pump installers. Amply is one of nine software products that is ACCA Powered by Manual J. Eric holds an MS in Mechanical Engineering from the Georgia Institute of Technology, a BE in Engineering Sciences from Dartmouth College, and a BA in Physics from Colby College. He is also Design for Six Sigma certified.

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The Misunderstood Lockout Relay

Educators love lockout relays, and we also love pretending you will still see them out in the field all the time. Sometimes, I have to look myself in the mirror in the morning and sadly repeat, “Lockout relays are dead.” I have to say it several times before the reality sinks in. Before I get […]

HH vs. EK Filter-Driers: Technical and Field Comparison

When we think of HVAC system components, the big four come to mind: evaporator, compressor, condenser, and metering device. However, there are several accessories that keep the HVAC system working as intended, and the filter-drier is one we cannot ignore. Filter-driers protect HVAC/R systems by removing moisture, acids, and debris from refrigerant. In typical residential […]

ECM, VFD, and Inverter – What’s the Difference?

Ever since Nikola Tesla invented the modern induction motor, we have been struggling with varying the speed of motors efficiently and reliably. The trouble in the HVAC industry is that there are several different types of technologies in play, and they can easily get confused. ECM (Electronically Commutated Motor) In residential and light commercial HVAC, […]