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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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Last month, we covered the expectations of a few different groups on the results that come from performing a Manual J® calculation. This topic garnered some great responses from members, and one of those comments sparked the idea behind this article. This month, we’ll address how homeowners perceive what we do and how we can move things in our favor. ACCA members can read more here.
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You might hear that there’s nothing wrong with Manual J®, but you might also hear people complain about it. This group is very adamant about how badly Manual J® oversizes the heating plant requirement. ACCA members can read more from Ed Janowiak here.
In this edition of “Hey Ed,” Ed talks about the correct airflow for AC.
In this edition of “Hey Ed,” Ed talks about the correct air flow for a fire-fueled furnace.
In this edition of “Hey Ed,” Ed talks about the correct CFM per ton for heat pumps.
In this edition of “Hey Ed,” Ed talks about the most important thing to follow in Manual D.
In this edition of “Hey Ed,” Ed talks about why we reduce trunk ducts
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Are you familiar with the ACCA Residential Plans Examiner Review Form for HVAC System Design? If you are not, you might be surprised how much help it can be. ACCA members can learn more here.
In this edition of “Hey Ed,” Ed explains if it is acceptable to oversize a Single Stage Two Speed and a VRV Heat Pump
In this edition of “Hey Ed,” Ed discusses the difference between Condition A and Condition B when selecting a heat pump.
In this edition of “Hey Ed,” Ed discusses the difference between sizing furnaces and heat pumps.
In this edition of “Hey Ed,” Ed discusses the difference between sizing air conditioners and heat pumps.
In this edition of “Hey Ed,” Ed talks about the difference between heat gain and heat loss in Manual J®.
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!”
In this edition of “Hey Ed,” Ed talks about how the sun affects heat gain.
In this edition of “Hey Ed,” Ed talks about cut sheets to complete a load calculation for a heat pump.
Want to learn the proper usage for a blower door? Learn how to measure infiltration into a house in this edition of “Hey Ed!”
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!”
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!”
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