Category: Technology

The ICC Mechanical Code Public Comment Hearings took place last month in Pittsburgh. Continue reading for the highlights.

The Standards Council of the National Fire Protection Association (NFPA) has approved a Tentative Interim Amendment (TIA) which delays the effective date for 210.8(F) in the 2020 National Electrical Code (NEC) until January 1, 2023. Continue reading to learn more.

Last year, the refrigerant container industry agreed to make all containers one unified paint color instead of the myriad of colors previously used to differentiate the types of refrigerants. This was done to reduce confusion. Last month, ACCA staff hosted a “Codes and Coffee” webinar that went over the changes and provided tips on how to avoid confusion in the field.

Have you ever had the desire to describe yourself or anything you do as less than ideal? Yeah, neither has Ed Janowiak, ACCA Manager of HVAC Design Education. In this article, he explores another rule of thumb, this time focusing on airflow. 

Dehumidifiers help keep your customers comfortable, but they can also create more problems than they solve.  Before you quote a dehumidifier, ensure that the cooling system meets the quality installation requirements, and that the house isn’t working against you.

What if Wes Davis, ACCA Director of Technical Services, told you…condenser* coil cleaning didn’t matter? Read about the research and how you can use it to best serve your customers in his latest blog article. * For our heat pump friends, in this blog the term condenser is used as a euphemism for the outdoor unit. Please forgive this nomenclature faux pas, your letters of concern and sharp remarks in the comments section are still welcome.

At times, it can be challenging for many technicians to diagnose a heat pump’s reversing valve accurately. This article is designed to provide some basic, high-level reversing valve diagnostics to help technicians in the field with some of the complexities of reversing valves.

Recent research on the performance of bipolar ionization devices shows they have little or no impact. Continue reading to learn more.