At DWH Engineering, we deliver precision-engineered geothermal solutions that redefine energy efficiency for commercial and institutional buildings. With deep expertise in ground-source heat pump systems, our team designs scalable, site-specific systems that reduce operating costs and carbon footprints—without compromising performance.
From feasibility studies and thermal modeling to final design drawings, our engineers collaborate closely with architects, developers, and sustainability leaders to ensure seamless integration with building systems and long-term ROI. Whether retrofitting existing infrastructure or designing for new construction, we bring technical rigor, innovative thinking, and a commitment to environmental stewardship. Backed by decades of experience and a portfolio of high-impact projects, DWH Engineering is your trusted partner in unlocking the full potential of geothermal!
St Patrick's Cathedral in NYC is one of the city's most recognizable landmarks. When a failing HVAC system required replacement, the Archdiocese selected a standing column well geothermal system.
Dave Hermantin, principal at DWH Engineering consulted on the project.
The Darien Library is approximately 65,000 sqft and serves more than 350,000 patrons each year. When the existing HVAC system was in need of replacement, a geothermal system was engineered by Dave Hermantin, principal of DWH Engineering.
In 2010, the building achieved LEED Gold Certification.
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