American Mechanical Services Executive and Leadership Team

July, 2026

Leadership Overview

American Mechanical Services has 4 executives leading key functions including strategy, finance, operations, and market expansion.

Driven by a commitment to quality, American Mechanical Services delivers exceptional 24/7 customer service, ensuring reliable mechanical building system operations and extending equipment life across the United States.

Leadership Roles at American Mechanical Services

  • Chief Executive Officer - Edward Dunn
  • Chief Financial Officer - Andrew McCrossan
  • President - David Schellhardt
  • President - Kyle Blocker
  • Edward Dunn - Chief Executive Officer

    Edward Dunn, the Chief Executive Officer at American Mechanical Services, directs the overarching corporate strategy and long-term vision for the family of companies. Dunn guides the organization's expansion across various United States locations, ensuring alignment with the company's 30-year legacy in commercial heating, ventilation, and air conditioning (HVAC) services and construction. Overseeing complex construction projects involving renovation and retrofitting, Dunn ensures that high-quality maintenance and repair solutions for mechanical building systems are consistently delivered. This leadership role involves fostering a culture of exceptional customer service, a critical component of AMS's operational philosophy. By focusing on extending equipment life and ensuring reliable building operations, Edward Dunn directly impacts the company's market position and client retention, solidifying AMS's reputation for quality workmanship and customer satisfaction across both public and private sector clients.
    Edward Dunn

    Andrew McCrossan - Chief Financial Officer

    Andrew McCrossan, the Chief Financial Officer at American Mechanical Services, manages all financial operations and fiscal strategy for the organization. McCrossan oversees budgeting, forecasting, and financial reporting, ensuring the fiscal health and stability of the company's diverse operations across the United States. This role is critical in supporting the company's specialization in commercial HVAC services and construction, particularly for complex renovation and retrofitting projects. By meticulously managing financial resources, Andrew McCrossan enables the continued delivery of high-quality maintenance and repair solutions for mechanical building systems. The Chief Financial Officer's oversight extends to investment strategies that support the company's 30-year experience and its commitment to extending equipment life. McCrossan's financial acumen is essential for maintaining the company's ability to provide reliable 24/7 customer service and ensuring profitability while upholding stringent standards of quality workmanship and customer satisfaction for public and private sector clients.

    David Schellhardt - President

    David Schellhardt, the President at American Mechanical Services, drives operational excellence across the company's extensive network of commercial HVAC services and construction projects. Schellhardt oversees the execution of complex renovations and retrofitting initiatives, ensuring that high-quality maintenance and repair solutions for mechanical building systems are implemented efficiently and effectively throughout the United States. This leadership position involves managing day-to-day operations, focusing on the company's 30-year commitment to extending equipment life and ensuring reliable building operations. David Schellhardt champions the delivery of exceptional 24/7 customer service, a cornerstone of the American Mechanical Services philosophy. By optimizing project management and resource allocation, Schellhardt directly contributes to the company's reputation for quality workmanship and customer satisfaction, serving a diverse range of public and private sector clients with consistent reliability and expertise.

    Kyle Blocker - President

    Kyle Blocker, the President at American Mechanical Services, spearheads market expansion and client relationship management for the company's specialized commercial HVAC services and construction divisions. Blocker focuses on cultivating new business opportunities and strengthening existing partnerships across various locations in the United States, leveraging the company's 30-year expertise in mechanical building systems. This role is integral to promoting the company's high-quality maintenance and repair solutions, particularly for complex renovation and retrofitting projects. Kyle Blocker emphasizes the critical importance of extending equipment life and ensuring reliable building operations through proactive service strategies. The President's dedication to exceptional 24/7 customer service underpins AMS's commitment to quality workmanship and customer satisfaction, ensuring that both public and private sector clients receive unparalleled support and expertise.
    Kyle Blocker

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    Frequently Asked Questions Regarding American Mechanical Services Top Executives and Leadership Team

    Who leads American Mechanical Services?
    American Mechanical Services is led by Edward Dunn (Chief Executive Officer), along with executives such as Andrew McCrossan (Chief Financial Officer) and David Schellhardt (President).
    Who is part of American Mechanical Services’s executive team?
    The executive team of American Mechanical Services includes leaders such as Edward Dunn (Chief Executive Officer), Andrew McCrossan (Chief Financial Officer), David Schellhardt (President) and other senior executives.
    How many executives does American Mechanical Services have?
    American Mechanical Services has 4 executives leading key business areas.
    What roles are included in American Mechanical Services’s leadership team?
    The leadership team of American Mechanical Services includes roles such as Chief Executive Officer, Chief Financial Officer, President, President.