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From custom designed residential systems to state of the art breweries, we create innovative heating, ventilation, air conditioning & refrigeration (HVAC/R) solutions with craftsmanship you can count on.

At Mash Mechanical we are passionate about designing and building HVAC/R systems that meet the highest professional standard. We specialize in serving Maine brewers because we are constantly inspired by the commitment to superior quality, sustainable communities, and innovative vision of Maine’s craft beer industry. We share those core values, and we enjoy the unique challenges presented by the brewery environment. Our goal is to deliver custom technology that exceeds expectations and drives growth, and we are committed to building partnerships that help local breweries and all businesses achieve sustainable success.

Mash Mechanical was founded by Maine native James Dwyer. As a Professional Engineer with over 11 years of experience in industrial construction and mechanical installation, James brings a unique skill-set to every HVAC/R challenge. Our knowledgeable team is defined by a culture of accountability, attention to detail, and exceptional customer service. In addition to dependable problem-solving and precise craftsmanship, we take great pride in creating a safe and fulfilling work environment for our team and our partners. We view each project as an opportunity to build lasting relationships and foster positive change in our community.

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