Hey Ed, What Is the Significant Difference Between a Heat Gain and a Heat Loss in Manual J®?
In this edition of “Hey Ed,” Ed talks about the difference between heat gain and heat loss in Manual J®.
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.
Hey Ed, How Do You Take Solar Gain Into Account on a Heat Loss?
Want to learn how to take into account solar gain on a heat loss? Learn about why it’s a freebie in this edition of “Hey Ed!”
Hey Ed, How Much Does the Sun Affect Heat Gain?
In this edition of “Hey Ed,” Ed talks about how the sun affects heat gain.
Hey Ed, I Am Looking To See if You Have a Cut Sheet to Complete a Load Calculation for Heat Pumps?
In this edition of “Hey Ed,” Ed talks about cut sheets to complete a load calculation for a heat pump.
Hey Ed, How Do We Measure Infiltration Into a House?
Want to learn the proper usage for a blower door? Learn how to measure infiltration into a house in this edition of “Hey Ed!”
Hey Ed, Is Manual K Good for Canada?
Want to learn what Manual is best for use in Canada? Learn if Manual K is applicable in Canada in this edition of “Hey Ed!”
Hey Ed, How Does the Design Series Account For Blower Heat?
Want to learn about blower heat in Manual J? Find out how ACCA’s Design Series accounts for blower heat in this edition of “Hey Ed!”
Hey Ed, What Is This SHR Stuff?
What to know what SHR is all about? Learn more about Sensible Heat Ratio in this edition of “Hey Ed!”
Hey Ed, What Is a Good Pressure Drop on a Filter?
Want to know what a good pressure drop for a filter is? Learn why lower is better in this edition of “Hey Ed!”
Hey Ed, Would You Recommend the Use of Mini Split Heating and Air Systems to Compliment a Standard Air Heat Pump System?
Want to learn if you should use a Mini-Split heating and air system alongside a standard air heat pump? Learn about extra capacity in this edition of “Hey Ed!”
Hey Ed, What Is Duct Testing?
What to understand what Duct Testing is? Learn about Code Requirement 48 in this edition of “Hey Ed!”
Hey Ed, How Do You Pronounce Your Last Name?
Want to learn how to pronounce Ed’s last name? Learn how to pronounce Janowiak in this edition of “Hey Ed!”
Hey Ed, Does This SHR Stuff Apply to Mini Splits?
Want to know if Sensible Heat Ratio (SHR) applies to Mini Splits? Learn about mini split latent capacity in this edition of “Hey Ed!”
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The Efficiency of Duct Booster Fans: Do They Work?
Do duct booster fans work? In this article, we will explore the effectiveness of duct booster fans and whether they live up to their promises. Read more in this members-only blog.
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Consortium for Energy Efficiency and ACCA
In this blog is an overview of the Consortium for Energy Efficiency (CEE) Summer Program Meeting I recently attended. My main goal was to let program managers from electrical and gas utilities and other industry representatives know what is on the horizon with the electrification hurdles we are seeing and will see with the IRA incentives. Read more in this members-only blog.
Tech Tip: Come On! You Can Just Add a Ton, Can’t You?
We should always avoid oversizing, but it can be even more critical in humid climates where air conditioners operate with a wet coil. However, occasionally, I said yes. But the customer had to agree to a few things first.
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A Place Called Hope
I was at a technical conference recently and I heard the presenter use the word “hope.” Now I’m not a person who will quickly reject the idea of applying hope to a situation or a set of circumstances. But I would also like to think that in the technical environment, it’s not something we would ever rely on. This presenter was talking about one of my favorite topics: heat pumps. Read more in this members-only blog.
Hey Ed, Is It Better to Size up or Down When It Comes to Ductwork?
Want to learn when you need to size up or down with ductwork? Learn how to keep the velocity down in this edition of “Hey Ed!”
Hey Ed, Do You Like Your Ducts Kinky?
Trying to find out the proper amount of sag when installing ducts? Find out how to use Manual D in this edition of “Hey Ed!”
Hey Ed, What Is the Most Appropriate Velocity Moving Across a Filter Grill?
Want to find the best velocity moving across a filter grill? Find out what Manual D says about velocity in this edition of “Hey Ed!”
