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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Air Changes Confusion

Air changes per hour (ACH/ACPH) simply describes how many times the total quantity of air in a room (or structure) is completely replaced per hour. If you have a 10'x10'x10′ room, the room contains 1000 cubic feet of air. If the supply and return to the room provide a balanced 100 CFM (cubic feet per […]

Non-Invasive Testing: A Smarter Approach to System Diagnostics

This tech tip comes from a post in the HVAC School Facebook group by Ed Janowiak. Ed is the Manager of HVAC Design Education at ACCA, a longtime friend of HVAC School, and an educator who does a lot of great work for the industry. Thanks, Ed! This past Thursday, I taught a class where […]

What is Fenestration and Why Do I Care?

Fenestration is a fancy architectural term that means “openings in the outside of the building.” You will see this word a lot when you read ACCA Manual J or when you are doing a Manual J load calculation. Fenestration loads include heat losses and gains through windows, doors, skylights, etc., and they can make up […]