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Home » Authors » Cody Mack
Cody Mack

Cody Mack

Cody Mack has nearly 20 years’ experience as an installation contractor, service technician, application engineer and, most recently, as training manager for Caleffi North America. He’s a family man, gear-head, and motorcycle enthusiast with a common-sense approach to hydronics. Cody can be reached at cody.mack@caleffi.com.

Articles

ARTICLES

PHC0923_Mack-Paul Macdougall.jpg
Radiant Insider

Zoning and Balancing Residential Hydronic Systems

Making people comfortable while spending less.
September 4, 2023
Cody Mack

Providing heat, comfort, and energy efficiency can be achieved if we rethink the micro-zoning of the past and open our minds to balancing flow rates. Cody Mack explains why balancing should be part of every hydronic contractor’s skill set.


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PHC0623_Mack-Fig3-combustion gas.jpg
Radiant Insider

Hydronic Blunders and Educational Opportunities

Just because it works doesn’t mean it’s right.
July 5, 2023
Cody Mack

Remember that you can learn from others’ mistakes when on a service job. The hydronic system may work as installed, but that doesn’t mean it is installed correctly. Read on to learn about three instances where the author learned valuable lessons about hydronics — and working with customers.


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PHC0323_Mack1-heat pump.jpg
Radiant Insider

Change Equals Opportunity

The heat pumps are coming! The heat pumps are coming!
March 7, 2023
Cody Mack
The transition to electrification, heat pumps and alternative energy will likely be a bit rough as technology and installation practices catch up with the industry’s best intentions.


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PHC1222_Mack-circulators.jpg
Radiant Insider

The Great Hydronics Debate

If you want to see the passion of plumbing and heating contractors, ask them if they zone hydronic systems with circulators or zone valves.
December 5, 2022
Cody Mack

Plumbing and heating contractors are passionate about the methods to zone residential and light commercial hydronic systems — some are in the circulator camp, while others prefer zone valves. Is one method better than the other? It depends; read on to find out why.


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PHC0922_Mack-Fig1.jpg
Radiant Insider

Multiple Heat Sources

Providing proper function through different piping and control strategies.
November 4, 2022
Cody Mack

It’s not uncommon to see multiple boilers piped together on certain jobs. You may be trying to accomplish a number of things by doing this. 


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PHC0622_Mack-image 2.jpg
Radiant Insider

Fill ‘Er Up!

Fill valves, flush carts and maintaining static pressure.
June 3, 2022
Cody Mack

Filling the hydronic system is the last step needed to complete an installation. But what’s the best way to do it without leaks? 


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PHC0322_dirt-catching-device-hydronic-systems.jpg
Radiant Insider

Down and Dirty Hydronic Systems

Many of the existing systems plagued with debris usually suffer from problems when oxygen is combined with ferrous components.
March 1, 2022
Cody Mack

Every person I’ve spoken to in this trade can tell you horror stories ranging from plugged piping to failed boiler heat exchangers.


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Radiant Insider

Hydronics Can Be Simple

Having a broader understanding of our industry will make you more valuable.
December 6, 2021
Cody Mack

In my part of the country, hydronics in residential and light commercial applications has a tendency to take a back seat to forced air.


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PHC0921_stainles-steel-heat-exchanger.jpg
Radiant Insider

Low Boiler Return Temps — Always Good?

Make sure you understand the customer's needs and how the equipment functions to provide the best solution for the application.
October 5, 2021
Cody Mack

High-efficiency boilers thrive on low return water temperatures. These low return temperatures allow the combustion gases to condense, extracting as much latent heat as possible. 


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PHC0921_stainles-steel-heat-exchanger.jpg
Radiant Insider

Low Boiler Return Temps — Always Good?

Make sure you understand the customer's needs and how the equipment functions to provide the best solution for the application.
September 1, 2021
Cody Mack
View All Articles by Cody Mack

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