Author: Ed Janowiak

Between stay-at-home orders, supply chain disruptions, labor shortages, and constantly changing customer concerns, 2020 was a tumultuous year for HVAC contractors. But what do the numbers show about COVID’s impact on their bottom line? And how do they expect to fare in 2021? Continue reading to learn more.

Find out when 400 CFM per ton is proper airflow, and other helpful airflow tips from ACCA HVAC expert Ed Janowiak.

Find out why HVAC technicians’ rules of thumb must be based on math, not something made up or convenient, from ACCA HVAC expert Ed Janowiak.

Learn the fundamentals of how HVAC equipment functions and where to obtain this information to eliminate potential problems in the field.