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DX (Evaporator) Coils

Chilled Water, DX (Evaporator) Coils & Moisture Carryover

by Dan Jacobs, August 11, 2020

Moisture carryover is present on DX (Evaporator) Coils or Chilled Water coils where dehumidification happens.  Many people do not think it’s…
Heat Exchanger

Replacing a Shell and Tube Heat Exchanger? And Have the Model Number?

by Dan Jacobs, August 8, 2020

Replacing a Shell and Tube Heat Exchanger? Give us the model number and serial number to your heat exchanger and 9/10 times we can replace it!
Steam Coils

Why are HVAC Coils Copper Tube and Aluminum Fin?

by Dan Jacobs, August 4, 2020

It’s really not a coincidence why HVAC coils use copper tubes and aluminum fins. Copper is great for heat transfer,…
Chilled Water Coils

Four Things To Know When Buying Replacement Coils

by Dan Jacobs, August 3, 2020

While building numerous types of coils for various customers over the years, we’ve discovered the four main things that you…
Chilled Water Coils

Guidelines For Air Velocities

by Dan Jacobs, July 21, 2020

Step # 1 in determining the size and performance of a coil is dependent upon understanding face velocities of air across the coil. Whether you use CCA’s coil selection program to help size the coil, or you are replacing an existing coil; the height, length and resulting velocity determine everything.
DX (Evaporator) Coil

What Does “Splitting” A DX (Evaporator) Coil Mean?

by Dan Jacobs, July 7, 2020

“Splitting” a DX (Evaporator) coil is one of the toughest concepts to understand in the coil business. “Splitting” the coil…
Steam Coil

Do You Need to worry about performance on replacement HVAC coils?

by Dan Jacobs, June 22, 2020

When duplicating a coil, your efforts need to be directed towards making sure the coil fits correctly, as that’s usually the main issue.
Condenser Coil

Condenser Coils Failing? Here’s probably why….

by Dan Jacobs, June 9, 2020

Did you recently turn on your DX systems only to find your Condenser Coils are not working?  Simple fix right? …
Chilled Water Coil

Direct Expansion & Chilled Water Cabinet Coils

by Dan Jacobs, June 7, 2020

There are lots of ducted cooling applications with chilled water and/or DX (Evaporator) coils where you need to add incremental…
Cooling Coils

Chilled Water Coil Circuiting Made Easy

by Dan Jacobs, May 27, 2020

Circuiting is really a balancing act of tube velocity and pressure drop. In other words, think of a coil as a matrix. Each coil has a specific number of rows, and a specific number of tubes within each row.

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