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Home » Authors » Jay Egg

Articles by Jay Egg

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Geothermal HVAC

Domestic Hot Water Trifecta

The evolution of geothermal heating and cooling depends on thermal energy networks, wastewater energy transfer and phase change materials.
May 1, 2023
Jay Egg

Thermal energy networks, wastewater energy transfer and phase change materials are three technologies that can further our decarbonization and electrification work. Read on to see how they work together.


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Geothermal HVAC

When Does Aquifer Thermal Energy Transfer Work Best?

The system pumps water from an abundant aquifer and runs that earth-temperature water through exchangers in the mechanical room.
February 3, 2023
Jay Egg

This column relates some of the caveats and facilitates the protection of groundwater resources while ensuring the optimal performance of an aquifer thermal energy transfer system.  


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Geothermal HVAC

New York’s Thermal Energy Networks Law

It allows energy utilities to distribute and sell thermal energy contained in hydronic ambient temperature pipelines running through cities.
August 5, 2022
Jay Egg

This TEN legislation took about seven years from concept to passage. 


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Geothermal Hvac

How to Construct a U.S. Geothermal Energy Network

We built 1.5 million miles of gas lines over 20 years in the 1950s and 1960s. Can we do the same with geothermal energy networks?
June 3, 2022
Jay Egg

As we undertook an enormous infrastructure project after World War II to build gas pipelines, our future includes constructing local thermal energy networks — much more practical than country-wide pipelines. 


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Geothermal HVAC

Wastewater Energy Exchange is Making Sense to Energy Utilities

Geothermal heat pumps are the central component of the thermal extraction/rejection portion of energy recovery.
April 15, 2022
Jay Egg
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Geothermal HVAC

Infrastructure Upgrades Are Balancing Our Energy Budget

Thermal energy networks can eliminate greenhouse gas emissions from buildings and improve community and public health challenges.
February 7, 2022
Jay Egg and Kristy Egg

Healthier communities that stopped burning fossil fuels and no longer emit greenhouse gases are a result of thermal energy networks. 


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Geothermal HVAC

Plumbers Protect Our Health and Pipe Our Thermal Energy

Sustainable thermal energy networks can reduce peak electrical consumption in the summer and eliminate electrical spikes in the winter.
February 7, 2022
Jay Egg

Properly implemented, these thermal energy networks will fill our city centers with sustainable energy solutions that will reduce peak electrical consumption dramatically in the summertime and eliminate electrical spikes in the wintertime.


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Geothermal HVAC

Hyperscale Data Centers Can Save Water and Energy

A better way to cool data processors is through fluid immersion cooling.
November 1, 2021
Jay Egg

A better way to cool data processors is through fluid immersion cooling. 


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Geothermal HVAC

An Empty Rooftop is a Good Thing

Find out how you can eliminate HVAC equipment from the rooftops and outside of your clients’ buildings.
August 9, 2021
Jay Egg
Find out how you can eliminate HVAC equipment from the rooftops and outside of your clients’ buildings with a geothermal system.
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Geothermal HVAC

Geothermal Energy Networks for PHCP Pros

The time is coming when energy companies will charge for BTUs exchanged rather than for fossil fuels combusted.
June 1, 2021
Jay Egg
Before we know it, much like seeing a new water main or sewer main going into a downtown city street, we will see geothermal main lines installed in our communities. The time is coming when energy companies will charge for BTUs exchanged rather than for fossil fuels combusted.


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