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Category: Technology

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Update on Mechanical Code Change Hearings + New Energy Code Proposals

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

Battling Inventory Shortages in the Trades

3 Ways To Combat Extended Lead Times & Backordered Equipment For decades, manufacturers and developers in various industries have adopted […]

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BREAKING: NFPA to Issue Delay of NEC GFCI Requirement for Outdoor HVAC – Forms Task Group

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.

Technician Accountability + Your Bottom Line

How To Utilize Technology To Improve Employee Engagement and Move Your Business Forward  No matter the industry, perhaps the most […]

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Where Have All the Colors Gone? Refrigerant Cylinders Change Color

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.

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When Is 400 CFM per Ton Proper Airflow?

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. 

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Dehumidifiers That Don’t – Time to Get Good

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.

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Red Pill / Blue Pill – Condenser Coil Cleaning

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.

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A Quick Reference to Reversing Valve Troubleshooting

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.

How Streamlining Your Processes Impacts Your Bottomline

If you’re operating a business, you know how critical developing standard operating procedures and processes is to keeping things running […]

More States Act to Prevent HVAC Nuisance Trips in Response to GFCI Requirement in 2020 NEC – Will Yours?

Summary: ACCA and its members remain concerned about a new provision in the 2020 National Electrical Code (NEC) that requires GFCIs […]

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Bipolar Ionization – The Jury is Still Out

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

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