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Energy Expo - Spring 2024

Main Course Page > Energy Expo - Spring 2024

Earn up to 8 PDH Credits with a series of expert-led presentations. Dive into the latest industry advancements focusing on air-to-water heat pumps, keeping your hydronic systems clean and how to properly balance them to make the most comfort with the most efficiency.

Topics for energy expo - spring 2024

Adding An Air-to-Water Heat Pump To A Legacy Hydronic Heating System 

The rapid pace of electrification, along with price escalation or moratoriums on fossil fuels, is creating challenges for older existing hydronic heating systems. Uncertainty regarding cost, availability, or even the legality of fossil fuels is reshaping the hydronic industry.  One of the solutions is the use of air-to-water heat pumps as the primary heat source for these systems.  In many cases the best option is to add such a heat pump while also retaining the existing boiler as a supplemental or backup heat source.  This presentation describes the benefits as well as the “how to” of this approach.

Heat Emitter Options For Hydronic Heat Pumps


Hydronic heat pumps, be they air-to-water or water-to-water geothermal units, provide their best performance when coupled to lower temperature loads.  This presentation describes the performance characteristic of both types of hydronic heat pumps, and presents several options for heat emitters that allow them to function to their full potential.  It also covers methods for lowering water temperatures in existing distribution systems.

Parsonage Case Study (Heat Pumps + Hydronics)


The session pulls together many of the topics to be discussed in the above presentations.  It shows and describes a complete system that uses an air-to-water heat pump to provide heating, cooling, domestic hot water, and heat recovery ventilation in a 2600 square foot home constructed in upstate NY during 2022.

Keeping Hydronic Systems Clean and Efficient


As an industry, we’ve always been very concerned about the fire or refrigerant side of heat exchangers.  While important, it often leads to the water side being neglected.  In this session we’ll go over best practices to ensure that your customers are getting the most out of their hydronic systems.  Who doesn’t want higher efficiencies and longer life?

Knowing Your Options for Balancing


When it comes to hydronics and DHW recirculation, an unbalanced system is like a sports car with no steering wheel.  Inefficient flow can lead to frustrated building occupants impatiently waiting for heat delivery and lots of wasted energy.  It’s said that efficiency follows closely behind comfort. Proper balancing will help to achieve both.  In this session we’ll cover the different types of balancing valves, pros and cons, how to set them up and more!

CO2 Heat Pump Water Heaters – An Exploration of Technologies and Applications

As more buildings adopt heat pump technology for efficient heating and cooling, the trend has been slower to catch on in the realm of domestic hot water generation. The traditional reliance on fossil fuels has largely been due to the limitations of older heat pump systems in colder climates. However, the landscape is changing, thanks to advances in heat pump technology that now employ CO2 as a refrigerant. This breakthrough allows for not only higher output temperatures but also enhances overall efficiency. Furthermore, CO2 serves as a more environmentally friendly alternative to the chemical refrigerants traditionally used, which have had negative impacts on the environment. This course, “Heat Pump Water Heaters – An Exploration of the Technology and Applications,” aims to delve into these exciting advancements, shedding light on how they’re transforming domestic hot water generation and interesting applications that aim to lower initial costs, operational costs, and make use of free cooling.

Presenters for Energy Expo

John Siegenthaler is a seasoned industry leader and passionate teacher, eager to share his over 40 years’ experience in the understanding and proper application of water-based engineering principles. He is the principal of Appropriate Designs and a regular contributor to industry publications.

Cody Mack has nearly 20 years’ experience as an installation contractor, service technician, application engineer and most recently as national training manager for Caleffi North America.  He pounds the pavement training on the proper use and application of product, helping you to get the most out of your systems.

Dr. Lou Vorsteveld  has excelled in roles ranging from Vice President of Engineering to President/CEO, consistently delivering exceptional outcomes in product and sales strategy, vendor negotiations, and operational efficiency. Armed with a BS, MS, and Ph.D. in Mechanical Engineering from the University of Vermont, Dr. Vorsteveld combines technical expertise with strategic vision to propel organizations to new heights of success.

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