The Data Center Heat-Cascade Building: A Companion Paper to The Luke, Maryland Verso Equilibrium Plan

The Data Center Heat-Cascade Building

A Companion Paper to The Luke, Maryland Verso Equilibrium Plan

DOI: to be assigned 

John Swygert

Ivory Tower Journal / Secretary Suite / TSTOEAO Applied Civic Systems

June 26, 2026

Introduction: The Building as a Thermal Organism

The Luke, Maryland Verso Equilibrium Plan argues that the former Verso paper mill site in Luke, Maryland should not be redeveloped as a single-purpose industrial parcel. It should be planned as a larger equilibrium campus: a place where energy, water, heat, rail, business, education, ecology, and labor are designed to work together.

This companion paper develops one specific building concept within that larger plan:

The Data Center Heat-Cascade Building.

The concept is simple. If a data center or server farm produces constant heat, and if people, businesses, schools, restaurants, housing, clinics, laundries, greenhouses, and workshops need heat and hot water, then the building should be designed to move heat from where it is produced to where it is needed.

Do not reject heat from one part of the building while charging people for heat somewhere else in the same building.

That is the central principle.

A server farm should not sit below, beside, or near human activity while throwing away heat that could warm apartments, classrooms, offices, shops, kitchens, showers, handwashing sinks, dishwashing systems, laundry rooms, restaurants, coffee shops, medical facilities, greenhouses, and other useful spaces.

A building should be designed as a thermal organism, not as a collection of isolated rooms fighting separate utility bills.

The Human Purpose: Lower Monthly Bills and Greater Stability

The ultimate purpose of this design is not merely engineering elegance. The purpose is human affordability.

People should be able to live, study, work, recover, build businesses, and raise families in buildings that do not destroy them with outrageous utility bills every month.

Energy and utility costs are not abstract. They shape real life. They decide whether a person can afford medicine, groceries, repairs, transportation, rent, savings, education, and dignity. A society that wastes heat while charging ordinary people more for heat has accepted a preventable imbalance.

The Data Center Heat-Cascade Building is one answer to that imbalance.

In such a building, heat that would otherwise be discarded becomes a community resource. It can reduce heating demand. It can preheat domestic hot water. It can support restaurants, coffee shops, housing, dormitories, medical facilities, laundries, business spaces, and educational facilities. It can make the building more productive because the building is no longer passively consuming energy in disconnected systems. It is circulating value.

This is not “free heat” in the careless sense. Pipes, pumps, heat exchangers, tanks, controls, backup systems, insulation, maintenance, and engineering all cost money. But the heat itself is already being produced by computation. Without reuse, that heat must still be removed. Therefore, recovered heat is not an extra fuel source that must be mined, drilled, burned, or bought separately. It is a byproduct already present in the system.

The goal is to convert that byproduct into affordability.

Let Us Be Clear Again: Servers Do Not Drink Water

This companion paper also reinforces a point from the Luke Equilibrium Plan:

Server farms do not “drink” water.

Servers use electricity, perform computation, and produce heat. Cooling systems may use water, air, refrigerants, closed loops, cooling towers, heat exchangers, or hybrid systems to remove that heat. Some cooling systems consume water through evaporation. Others do not. The serious question is not whether machines “drink water.” They do not.

The serious questions are:

How much heat is produced?
At what temperature?
How is it captured?
How much water is withdrawn?
How much water is consumed?
How much water is reused?
How much heat can be recovered?
What local uses can absorb that heat?
Can the system lower household and business utility costs?
Can the system create jobs?
Can the system protect the river?
Can the system produce long-term community benefit?

A truthful public conversation should replace slogans with systems thinking.

Why Data Centers Are Heat Sources

A data center is not merely a digital facility. It is also a thermal facility.

Nearly all of the electricity consumed by servers eventually becomes heat. That heat is usually treated as a problem to be removed. But with proper design, it can become a resource.

Modern data centers increasingly use liquid cooling, direct-to-chip cooling, rear-door heat exchangers, air-to-water heat exchangers, warm-water loops, and heat pumps. These technologies can make heat easier to collect than older air-only cooling systems. Higher-temperature liquid loops are especially useful because they produce heat that is more suitable for reuse in buildings, campus loops, domestic hot water preheating, and district heating systems. [1]

The old model is:

electricity in, computation performed, heat rejected.

The better model is:

electricity in, computation performed, heat captured, heat reused, utility burden reduced.

The data center should become part of the building’s metabolism.

The Vertical Heat-Cascade Concept

The proposed building form is vertical and mixed-use.

The lower one, two, or three levels could house data-center functions, server halls, electrical rooms, cooling equipment, maintenance spaces, secure access areas, and mechanical systems.

Above or beside those lower levels, additional floors could support businesses, classrooms, laboratories, offices, student housing, worker housing, medical offices, restaurants, coffee shops, small stores, light workshops, incubator spaces, and public services.

The thermal system would connect the lower levels to the upper and surrounding uses through controlled infrastructure:

heat exchangers,
hydronic loops,
hot-water storage tanks,
radiant floors,
radiators,
fan-coil units,
ducted air handlers,
domestic hot water preheating,
heat pumps,
thermal storage,
smart controls,
backup boilers or auxiliary heat where necessary,
and cooling systems for summer operation.

The building would not depend on random heat drifting upward. Passive heat movement may help in some areas, especially atriums, risers, stair cores, greenhouse zones, or buffer spaces, but serious thermal reuse must be intentionally engineered.

The point is not accidental warmth.

The point is deliberate heat harvesting.

Heat Delivery Methods

Different spaces need different heating methods. A successful heat-cascade building should not rely on only one approach. It should use the right method for the right application.

Hydronic Radiators

Hydronic radiators are an old and proven method. In a heat-cascade building, they could function like traditional boiler radiators, but instead of relying entirely on separately burned fuel, they could be supplied by recovered data-center heat through heat exchangers, heat pumps, and storage tanks.

Radiators could serve apartments, offices, classrooms, corridors, workshops, and small businesses.

Radiant Floor Heating

Radiant floor heating may be one of the best matches for recovered heat because it works well with lower-temperature water than many older high-temperature radiator systems.

Radiant floors could serve:

housing,
dormitories,
classrooms,
offices,
medical waiting areas,
physical therapy spaces,
childcare areas,
restaurants,
public lobbies,
and greenhouse support zones.

This method also improves comfort because heat rises gently from the floor and can reduce the cold-floor problem common in large buildings.

Fan-Coil Units and Ducted Systems

Some spaces need more active air movement. Offices, commercial spaces, labs, restaurants, medical areas, and flexible business areas may use fan-coil units or ducted air handlers connected to the recovered heat loop.

This allows temperature control by zone.

Passive Heat Risers and Stack Movement

Passive design should also be studied. Warm air rises. A building can use atriums, shafts, stairwells, solar chimneys, greenhouse spaces, and heat risers to encourage controlled movement of air. This should not replace mechanical design, but it can reduce loads if done carefully.

The building should use nature where nature helps.

Domestic Hot Water Preheating

Domestic hot water may be one of the most important uses.

Recovered heat can preheat water for:

showers,
bathrooms,
handwashing sinks,
dishwashing,
restaurants,
coffee shops,
food service,
laundries,
medical offices,
therapy areas,
gyms,
student housing,
worker housing,
hotel rooms,
truck stop showers,
greenhouse wash stations,
and cleaning systems.

This is a major affordability point. People do not only need heated rooms. They need hot water every day.

A restaurant needs hot water. A coffee shop needs hot water. A medical clinic needs hot water. Housing needs hot water. A laundry needs hot water. A truck stop needs hot water. A college campus needs hot water.

If the building already contains a major heat-producing system, domestic hot water should not be treated as a separate burden until the recovered heat potential has been studied.

Thermal Storage

Thermal storage tanks are essential. Data centers may produce heat steadily, but building demand changes by time of day, season, occupancy, and weather.

Thermal storage lets the system collect heat when demand is low and release it when demand is high.

This could include:

large insulated hot-water tanks,
buffer tanks,
phase-change storage,
radiant slab storage,
district-scale storage,
or future seasonal storage systems.

Thermal storage turns constant heat into flexible usefulness.

Hot Water as a Civic Asset

Hot water deserves its own emphasis.

Many public discussions focus on space heating, but domestic and commercial hot water are constant needs. Every day, people use hot water for hygiene, food preparation, cleaning, dishwashing, laundry, and medical sanitation.

A heat-cascade building could reduce the cost of these activities.

This matters for:

residents,
students,
elderly residents,
disabled residents,
restaurants,
coffee shops,
cafeterias,
clinics,
gyms,
laundries,
childcare centers,
truck stops,
food processors,
greenhouses,
and public bathrooms.

In a well-designed system, recovered heat would not necessarily bring all water to its final required temperature. Health codes and sanitation requirements may require booster heating for certain uses, especially dishwashing, laundry, medical sanitation, and Legionella prevention. But preheating water is still valuable because it reduces how much additional energy is needed.

The principle is:

Let recovered heat do the first work.

Then use supplemental systems only where necessary.

Cooling and Summer Operation

The heat-cascade building must also function in warm weather.

In summer, offices, housing, classrooms, medical spaces, and restaurants may need air conditioning while the data center continues producing heat. This does not destroy the concept. It means the design must include seasonal heat planning.

Possible summer uses include:

domestic hot water,
laundries,
restaurants,
coffee shops,
food service,
medical hot water,
greenhouses that need controlled heat at night,
drying rooms,
wood kilns,
hemp drying,
industrial processes,
absorption or adsorption chilling where technically justified,
desiccant dehumidification,
thermal storage,
and export to nearby buildings through a campus loop.

Heat can sometimes support cooling through absorption or adsorption chillers, but this requires the right temperatures and economics. It should be studied rather than assumed.

The more reliable point is that a mixed-use campus will have many different heat demands. Housing, businesses, restaurants, laundries, greenhouses, kilns, medical uses, and water systems do not all peak at the same time. That diversity helps the system find balance.

The Building as Part of a Larger Thermal District

A heat-cascade building should not be designed as an isolated object. It should connect to the larger Luke Equilibrium Campus.

If the building produces more recoverable heat than it can use internally, the excess should be exported to nearby users.

Potential external heat users include:

adjacent warehouses,
greenhouses,
aquaponics,
wood drying kilns,
hemp drying buildings,
regulated crop facilities,
food processors,
public pools,
therapy pools,
senior housing,
medical facilities,
truck stop showers,
restaurants,
coffee shops,
laundries,
and municipal buildings.

The building becomes one node in a larger thermal network.

The lower server floors produce heat. The mixed-use floors absorb heat. Nearby campus buildings absorb additional heat. Thermal storage smooths the difference. Backup systems protect reliability.

This is how a building becomes part of a district metabolism.

Jobs, Education, and the Living Laboratory

The Data Center Heat-Cascade Building also strengthens the educational vision in the Luke plan.

A building like this would be a perfect living laboratory for the Maryland Institute for Applied Ecology and Enterprise or a similar campus partnership.

Students could study:

data center cooling,
hydronics,
heat exchangers,
HVAC,
radiant heating,
thermal storage,
building automation,
domestic hot water systems,
energy metering,
water reuse,
industrial safety,
fire protection,
building codes,
carbon accounting,
mechanical maintenance,
electrical systems,
and business operations.

The building itself would teach.

A student could study a diagram in the morning, then walk downstairs or across the hall and see the real pumps, valves, controls, heat exchangers, tanks, sensors, and meters in operation.

A business student could study the economics of reduced utility bills.

An environmental student could study avoided waste.

A trades student could maintain the system.

A public-policy student could study how incentives create or fail to create public benefit.

This is the difference between an ordinary college and an applied ecology-and-enterprise campus.

Housing Above Productive Infrastructure

Housing should be considered carefully but seriously.

If properly designed, the upper floors of a heat-cascade building or adjacent connected buildings could provide affordable worker housing, student housing, senior housing, or mixed-income apartments. The purpose would not be luxury branding. The purpose would be lower operating cost, proximity to jobs, and stable community life.

Residents could live near work, school, medical care, stores, transit, rail/truck employment, restaurants, and training programs. If heating and hot water costs are reduced through recovered energy, the household budget becomes more stable.

This matters especially in communities where many residents are elderly, disabled, low-income, young, or living on limited fixed income.

A society should not design buildings that trap people in monthly utility struggle when better designs are possible.

Restaurants, Coffee Shops, and Small Businesses

Small businesses should be built into the plan from the beginning.

Restaurants, coffee shops, bakeries, laundries, small markets, clinics, repair shops, studios, and service businesses all use energy and hot water. They also create jobs, activity, and human life.

A coffee shop needs hot water.
A restaurant needs hot water.
A bakery needs heat.
A laundry needs hot water.
A clinic needs hot water.
A gym needs showers.
A truck stop needs showers.
A campus needs bathrooms and food service.

Recovered heat can lower the cost of these basic operations.

That gives small businesses a better chance to survive.

A redevelopment plan should not merely attract one large corporation. It should lower the operating burden for many smaller businesses that make a place alive.

Public Health, Comfort, and Productivity

Thermal comfort affects productivity.

A cold apartment, cold classroom, cold workplace, or expensive utility bill does not merely inconvenience people. It drains attention, health, and household stability. When people are warm, clean, safe, and not terrified of monthly bills, they can do more.

Recovered heat can support:

better housing,
better classrooms,
better medical recovery spaces,
better workplaces,
better hygiene,
better food service,
better elder care,
better student life,
and better business survival.

The pursuit of happiness requires material conditions. Heat and hot water are part of those conditions.

A community that wastes usable heat while its residents struggle to pay utility bills has not reached equilibrium.

Safety, Codes, and Engineering Discipline

The concept is powerful, but it must be engineered correctly.

A heat-cascade building must address:

fire separation,
data center security,
flood risk,
electrical safety,
water leaks,
humidity control,
condensation,
Legionella prevention,
air quality,
noise,
vibration,
emergency access,
separate ventilation systems,
backup heat,
backup cooling,
insurance,
maintenance access,
cybersecurity,
building codes,
commercial kitchen codes,
medical codes if applicable,
and housing codes.

The concept is not a shortcut around engineering. It is a demand for better engineering.

The principle is reliable, but the design must be calculated.

How many megawatts of heat are produced?
At what temperature?
What heat can be captured?
How much is needed by each floor?
What is the winter load?
What is the summer load?
What is the domestic hot water load?
How much storage is needed?
What happens if the servers shut down?
What happens during a cold snap?
What happens during a heat wave?
What happens if a tenant changes?
What happens if data center technology becomes more efficient?

These questions do not weaken the idea. They make it real.

Flexibility if Server Technology Changes

The building should be designed for future conversion.

If server farms become more efficient, if fewer server floors are needed, or if data center demand changes, the lower levels should not become useless. They should be designed so they can be converted to other productive uses where possible.

Potential future uses include:

light manufacturing,
storage,
laboratories,
workshops,
clean industrial space,
medical support space,
education labs,
logistics,
controlled agriculture,
utility rooms,
or business incubators.

The building should not depend forever on one technology trend.

The goal is resilient infrastructure.

A true equilibrium design survives change.

Community Utility Relief

The larger civic point is that efficient buildings should help relieve pressure on the people.

If a heat-cascade campus reduces heating and hot water costs for residents, businesses, schools, clinics, and public services, then it can become part of a larger Community Water and Power Dividend strategy.

Large industrial anchors should not simply receive incentives and leave citizens with higher water, sewer, and electric bills. They should help produce a lower-cost, better-designed system.

Recovered heat is one form of that public return.

Lower utility burden is a public benefit.

If a data center wants community acceptance, public support, tax incentives, utility access, land, and infrastructure cooperation, then it should help create a system where residents and small businesses can live and operate more affordably.

The Moral Standard

The moral standard is straightforward:

Do not waste what people need.

If heat is available, study how to use it.

If hot water can be preheated, preheat it.

If buildings can be designed more efficiently, design them more efficiently.

If businesses can share infrastructure, let them share it.

If residents can be protected from crushing bills, protect them.

If students can learn from the system itself, build the system as a classroom.

If old industrial land can become a balanced civic organism, do not settle for a fenced box.

The Data Center Heat-Cascade Building is not only a building concept. It is a statement about what development should become.

Application to Luke, Maryland

At Luke, this concept should be studied as part of the broader Verso Equilibrium Plan.

The former mill site and surrounding parcels should be examined for:

one-to-three-level data center structures,
upper-floor mixed-use structures,
adjacent heat-ready buildings,
district thermal loops,
domestic hot water systems,
housing feasibility,
education facilities,
restaurants and coffee shops,
medical offices,
truck stop showers and services,
warehouses,
greenhouses,
wood kilns,
hemp/cannabis facilities where lawful,
and public amenities.

The study should compare several models:

Model A: data center only.
Model B: data center plus adjacent heat users.
Model C: vertical data center with upper-floor mixed use.
Model D: full thermal district with multiple connected buildings.
Model E: phased campus that can begin small and expand.

The purpose of the study is not to assume the answer.

The purpose is to calculate which design produces the best equilibrium between investment, jobs, utility savings, flexibility, public benefit, environmental protection, and long-term community stability.

A New Standard for Building

The old standard separated everything.

One building made heat and wasted it.
Another building bought heat.
One system cooled machines.
Another system warmed people.
One tenant paid for power.
Another tenant paid for hot water.
The public paid for infrastructure.
The community received too little in return.

The new standard should connect what belongs together.

Energy systems should be linked to buildings.
Buildings should be linked to people.
People should be linked to jobs.
Jobs should be linked to education.
Education should be linked to real systems.
Real systems should be linked to environmental protection.
Environmental protection should be linked to prosperity.

This is not fantasy. It is design discipline.

Conclusion: Heat, Water, Work, and the Pursuit of Happiness

The Data Center Heat-Cascade Building is a practical extension of the Luke, Maryland Verso Equilibrium Plan.

It asks a simple question:

If server heat already exists, why should residents, students, businesses, restaurants, clinics, coffee shops, laundries, and public facilities pay separately for heat and hot water before that recovered heat is used?

A wise building should capture heat at the source, move it through hydronic systems, store it when useful, distribute it through radiators, radiant floors, fan-coils, ductwork, and domestic hot water preheating, and support human life above and around the technology that produced the heat.

This is how a server farm becomes more than a server farm.

It becomes a heating plant.
It becomes a hot water source.
It becomes a classroom.
It becomes a business anchor.
It becomes a housing support.
It becomes a civic utility.
It becomes part of a living equilibrium.

The larger promise is not only lower bills. It is a more productive society.

When people are not crushed by utility costs, they can live better.
When businesses are not crushed by operating costs, they can survive longer.
When students learn inside working systems, they become more useful.
When heat is reused, waste is reduced.
When buildings are designed as organisms, communities become stronger.

This is conservation in its highest form.

Not deprivation.

Design.

The pursuit of happiness is not only a phrase. It requires places where people can afford to live, work, learn, heal, wash, eat, build, and belong.

A heat-cascade building is one way to begin building those places.

Working References

[1] ASHRAE, Energy and Thermal Efficiency: AI Data Center Framework.
[2] Microsoft, Modern Datacenter Heat Energy Reuse.
[3] Environmental and Energy Study Institute, Thermal Energy Networks Turn Data Center Waste Heat Into a Hot Commodity.
[4] ReImagine Appalachia, Catching Heat: Using Waste Heat Generated from Data Centers.
[5] NYSERDA, Sector Coupling of Data Centers and District Energy.
[6] ASHRAE, Emergence and Expansion of Liquid Cooling in Mainstream Data Centers.
[7] International Energy Agency / Heat Pumping Technologies discussion of AI, data centers, and heat pumps.