Coils and Counter-Flow: 5 Quick HVAC Questions Answered

Chilled Water Coils

The first thing to remember about coils and counter-flow is that chilled water coils are always built to be piped in counter-flow. This means that the air flows in the opposite direction as the water. For example, with counter-flow, the air flows through rows 1-8, while the water runs through rows 8-1. Water always travels through the coil in the opposite direction of the air; hence the term “counter-flow.”  Direct Expansion Coils (Evaporator Coils) are also piped in the same manner.

Guidelines For Air Velocities

Chilled Water Coils

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.

Looking For A Trane Replacement Coil

Trane replacement coil

If you need Trane replacement coil within a Trane system, but aren’t sure about the dimensions or decoding the model #, send this to Capital Coil & Air for pricing. On most Trane AHU’s, the AHU model #, as well as the coil or “part #”, is listed as “Service Model No Coil”. If you […]

Why Are Fin Designs On HVAC Replacement Coils Important?

Replacement HVAC Coils

What is the point of understanding the importance of fins in HVAC replacement coils? While coils can be built with flat fins for various reasons, the vast majority of coils are built with enhanced fins. Enhanced fins help to ensure that the airflow is not running straight through the coil.

Syracuse University Athletic Dome Renovation

Chilled Water Coils

The Syracuse University Dome (SU Dome), in Syracuse, NY is currently being renovated at a cost of $205 million. As part of the renovation, Capital Coil built (64) free-standing chilled water coils in sizes ranging from (33” x 93”) – (33” x 118”). All (64) coils are (8) rows with 304 stainless steel casing, increased tube wall thickness of .035”, with connections built and oriented at 90 degrees to facilitate ease of piping.

How Did The HVAC Commercial Coil Replacement Market Originate???

Commercial Coil Replacement

How in the world did the commercial coil replacement market start? This specific newsletter is more of a story than anything technical that we have covered in most of our previous emails or blogs. Rather, this is the story of how one manufacturer’s representative, Robert Jacobs, almost by accident, stumbled upon the concept of the […]

Four Things To Know When Buying Replacement Coils

Chilled Water Coils

While building numerous types of coils for various customers over the years, we’ve discovered the four main things that you need when replacing HVAC coils. We’ve found that most customers are searching for many of the same things, and also share many of the same priorities. Based on numerous conversations with our customers, we’ve compiled […]

Differences Between Commercial & Industrial Coils??

Capital Coil & Air manufactures and designs a wide assortment of heavy-duty industrial coils to withstand the environment of industrial applications. Standard and custom designs are available for new and retrofit installations.

Share this page

Via social media

OR EMAIL

Get in touch

Please fill out the form below to inquire about Hot Water Coils or other products.
YOUR DETAILS
PRODUCT INTEREST
I'M ALSO INTERESTED IN

Quick Links