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Author: Ed Janowiak

Ed Janowiak is ACCA's Manager of HVAC Design Education and can be reached at ed.janowiak@acca.org or 703-824-8878.

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Throwing Shade – How Important Is It?

Do you like the sun shining on your face on a cold winter morning? ACCA’s Ed Janowiak does, but that’s not the case on a hot summer day. Strategies like opening the blinds to take advantage of the free BTU’s in the winter, and pulling the blinds closed to keep the sun out in the summer are great ways to stay shady. But, do these strategies help to get more run time out of your system?

Hey Ed, What Does Integrity Mean With a Drain Trap?

In this edition of “Hey Ed”, Ed discusses what integrity means with a drain trap.

Hey Ed, What’s the Thing in the Plastic Packaging?

In this edition of “Hey Ed”, Ed discusses what that thing is in the plastic packaging?

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If You Called Me Shady, I’d Take It As A Compliment

Acknowledging shade is a big part of doing a load calculation. Sometimes it’s done correctly and sometimes it’s done incorrectly. The more accurate we are with our inputs the more predictable our results will be. There are hard and fast rules that should be followed in Manual J. Some of the more important ones are discussed in this article.

Hey Ed, Should There Be Noise When It Comes to Airflow?

In this edition of “Hey Ed”, Ed discusses when, if at all, airflow noise is okay in Manual D

Hey Ed, Should the Fan Be On or Set to Auto

In this edition of “Hey Ed”, Ed discusses whether a fan should be left on or set to auto in […]

Hey Ed, When Can We Blow Air on People?

In this edition of “Hey Ed”, Ed discusses when, if at all, it is acceptable to blow air on people.

Hey Ed, Why Is Airflow Important?

In this edition of “Hey Ed”, Ed discusses why airflow is so important in Manual D

Hey Ed, Why Does OEM Performance Data Matter?

In this edition of “Hey Ed”, Ed discusses why OEM performance data matters in Manual S.

What Now? The Future of the HVACR Industry Post COVID-19

As we’re nearing the second year of the COVID-19 pandemic, it is no surprise that the American economy has faced […]

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Is My Heat Pump Doing What It’s Supposed To?

Do you look forward to checking a heat pump’s performance in the winter? Do you have a routine that you rely on? We are going to walk you through a process that gives a good indication of whether the system is doing what it is supposed to be doing, or not. The best part is you don’t have to buy any special tools and the process is easy, it just requires some simple math.

Hey Ed, What Is OEM Performance Data?

In this edition of “Hey Ed”, Ed discusses what is OEM performance data in Manual S.

ACCA Corporate Partner Acquires Friedrich Air Conditioning

Congratulations to ACCA Corporate Partner Rheem for recently acquiring Friedrich Air Conditioning from Monomoy Capital Partners. Mike Branson, Rheem’s president […]

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Economic Balance Point

From thermal heat pump balance points to economic, ACCA HVAC expert Ed Janowiak explains all you need to know about balance points.

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Sneak Peek: Cool Insights Data Shows COVID Impact, High Hopes for the Future

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.

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When Is 400 CFM per Ton Proper Airflow?

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

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Rules of thumb, friend, or foe?

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.

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The S doesn’t stand for secret

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

Hey Ed, is there a difference between a block load and a room-by-room load?

Hey Ed, should I use the word “comfort” in my contracts?

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