In this edition of “Hey Ed”, Ed discusses the difference between Manual J® and Manual JAE®
In this edition of “Hey Ed”, Ed discusses if you can use the acronym ECM to describe all electronically commutated […]
Hey Ed, What Is the Difference Between Taking Static Pressure Measurements on a New Versus Existing System?
In this edition of “Hey Ed”, Ed discusses the difference between taking static pressure measurements on a new versus existing […]
Solving the Solvent Conundrum
Have you ever considered flushing your line sets? Or are you currently? In this month’s blog, we will cover some options that will determine when to make pigs fly.
In this edition of “Hey Ed”, Ed discusses what you can do if you cannot find a filter’s performance data
ACCA Member Ed Lehr Testifies for You!
ACCA member Ed Lehr testified earlier this month at the NFPA Standards Council’s hearing in Boston. Lehr testified in support of appeals submitted by ACCA and other organizations regarding the National Electrical Code (NEC). The appeals were to urge the Council to fix a bad code change by expanding the current exemption to cover all outdoor HVAC equipment from the NEC requirement for GFCI protection.
In this edition of “Hey Ed”, Ed discusses if you can estimate latent capacity based on the water coming out […]
In this edition of “Hey Ed”, Ed discusses if you can use different outdoor design conditions if you live in […]
Indoor Coil Pressure Drop – “Where’s the Heat?”
Last month, we discussed the pressure drop from a filter. This month, it’s all about the pressure drop from an indoor coil. We’ll discuss what it should and shouldn’t be, and most importantly, we’ll talk about going by the book instead of making things up.
Hey Ed, Why Do I Have to Use the Indoor Design Condition 75 Degrees Fahrenheit at 50% Relative Humidity for Summer Cooling?
In this edition of “Hey Ed”, Ed discusses why you have to use the indoor design condition 75 degrees fahrenheit […]
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