Mayo Clinic Installs Geothermal HVAC System in La Crosse

New 96-bed facility leverages groundwater geothermal system to reduce emissions and costs

Published on Feb. 23, 2026

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The Mayo Clinic Health System has implemented a groundwater geothermal HVAC system at its new 96-bed facility in La Crosse, Wisconsin. The 7-well, 828-ton system, designed by IMEG, provides high-efficiency heating and cooling while minimizing the project's footprint. This represents a growing trend of hospitals across the country exploring geothermal solutions to reduce energy consumption, lower operating costs, and decrease greenhouse gas emissions.

Why it matters

The healthcare industry faces increasing pressure to reduce its carbon footprint and operational costs. The Mayo Clinic La Crosse project demonstrates how geothermal technology can help hospitals meet these challenges by providing a sustainable and cost-effective HVAC solution. As more healthcare facilities adopt similar systems, it signals a broader shift towards greener infrastructure in the industry.

The details

The new Mayo Clinic Health System bed tower in La Crosse utilizes a 7-well, 828-ton groundwater geothermal system installed by Darcy Solutions. This system provides high-efficiency heating and cooling for the facility. The project, led by IMEG, combines energy efficiency with a low total cost of ownership. The facility also incorporates chilled beam technology, further enhancing energy savings and reducing carbon emissions.

  • The new Mayo Clinic Health System bed tower in La Crosse opened in 2026.

The players

Mayo Clinic Health System

A nonprofit organization committed to clinical practice, education and research, with a network of clinics and hospitals throughout the Midwest.

IMEG

An engineering design firm that led the design and coordination of the geothermal system installation at the Mayo Clinic La Crosse facility.

Darcy Solutions

The company that installed the 7-well, 828-ton groundwater geothermal system at the Mayo Clinic La Crosse facility.

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What’s next

The Mayo Clinic La Crosse project is part of a broader trend of hospitals across the country exploring geothermal solutions to reduce energy consumption and costs. As more healthcare facilities adopt similar systems, it signals a shift towards greener infrastructure in the industry.

The takeaway

The Mayo Clinic La Crosse project demonstrates how geothermal technology can help hospitals reduce their carbon footprint and operational costs. By leveraging groundwater geothermal systems, healthcare facilities can implement sustainable HVAC solutions that provide long-term energy and cost savings.