Geothermal HVAC Design for Estate

I'm seeking a skilled mechanical engineer to design a geothermal HVAC system for a large estate. The property is currently in new construction planning stages, and the primary goal is to lower energy costs. Key Requirements: - Expertise in geothermal HVAC systems - Experience with large residential properties - Ability to integrate system into new construction Ideal Skills and Experience: - Mechanical engineering degree - Proven track record in HVAC design - Knowledge of energy efficiency and cost-saving technologies - Strong project management skills to coordinate with construction team Please provide relevant experience and approach to the project.