Business Details
Emergency
services
Trusted HVAC, Roofing & Architectural Exteriors Solutions
Mc Dowall has been a leader in commercial HVAC, roofing, and architectural exteriors for five generations. Since 1895, we have served organizations across the Upper Midwest with full-service installation, maintenance, and customized support solutions. Our team of experts prioritizes quality, safety, and client satisfaction, backed by industry certifications and a commitment to community. With over 140 employees and offices in Waite Park and New Hope, Minnesota, we combine decades of experience with innovative technologies to deliver reliable, energy-efficient systems for educational, healthcare, government, and commercial clients. Our accolades, including Carlisle SynTecs Perfect 10 and GAF Master Select Contractor status, reflect our dedication to excellence. 
Services
Commercial HVAC
Roofing
Architectural Exteriors
Preventative Maintenance
Indoor Air Quality
Highlights and features
- Five generations of expertise in HVAC, roofing, and architectural exteriors since 1895.
- 24/7 emergency service for urgent HVAC and roofing needs.
- Customized preventative maintenance plans to maximize system efficiency and lifespan.
- Award-winning safety programs exceeding OSHA standards for worker and client protection.
- Certified installers for leading brands like Carlisle, GAF, and Firestone.
Associations and certifications
- Carlisle SynTec
- GAF
- Sheet Metal and Air Conditioning Contractors National Association (SMACNA)
- Mechanical Contractors Association of America (MCA)
What people say
Flawless installation
Excellent attention to detail
Proven recommendations
Cost-effective solutions
Trusted service
Services
Commercial HVAC
Mc Dowall provides full-service commercial HVAC solutions, including installation, maintenance, and repairs. Our certified technicians design energy-efficient systems tailored to client needs, ensuring reliable comfort for staff and customers. With expertise in both plan/spec and design-build projects, we serve industries ranging from healthcare to manufacturing, prioritizing safety and longevity.
Commercial Roofing
Our commercial roofing division specializes in installations, repairs, and maintenance for all roof types. Certified by leading manufacturers like Carlisle and GAF, we deliver durable solutions including TPO, PVC, and built-up asphalt systems. Emergency leak repairs and preventative maintenance ensure protection against weather damage while extending roof lifespan.
Architectural Exteriors
McDowalls Architectural Exteriors division fabricates and installs custom metal panels, coping caps, and trim for commercial buildings. Using materials like aluminum and stainless steel, we create durable, aesthetically pleasing exteriors that enhance thermal efficiency and structural integrity for both new constructions and renovations.
Preventative Maintenance
Customized maintenance plans minimize downtime and extend equipment life through regular inspections, filter changes, and performance checks. Our proactive approach reduces energy costs and prevents costly repairs by addressing issues before they escalate, ensuring optimal HVAC and roofing system performance year-round.
Indoor Air Quality
We improve indoor air quality with solutions like HEPA filtration, UV-C lighting, and needlepoint bipolar ionization. Our experts assess HVAC systems to recommend tailored upgrades that reduce pathogens, allergens, and odors, creating healthier environments for schools, hospitals, and businesses.
People
John W. McDowall
CEO
Leading Mc Dowall since 2000, John W. McDowall oversees strategic growth and operations. A fifth-generation leader, he emphasizes community engagement and safety, serving on organizations like the CentraCare Foundation and United Way.
Matt McDowall
President
As President, Matt McDowall drives innovation and client relations. Joining the company in 2007, he focuses on expanding HVAC and roofing divisions while maintaining the family-owned businesss legacy of excellence.
Diane Van Beck
Controller
Diane Van Beck manages financial operations, ensuring fiscal responsibility and growth. With decades of experience, she supports McDowalls expansion and community initiatives through strategic budgeting and resource allocation.
Jay Mumm
General Manager - Roofing & Architectural Exteriors
Jay Mumm leads roofing and architectural exteriors operations, overseeing projects like Altru Hospitals construction. His expertise in commercial systems ensures high-quality installations and client satisfaction across the Upper Midwest.
Mark Dingmann
General Manager - HVAC
Mark Dingmann directs HVAC operations, focusing on energy-efficient systems and preventative maintenance. With a career spanning decades, he ensures McDowalls HVAC solutions meet evolving industry standards and client needs.
Questions
What services does McDowall Company offer?
We specialize in commercial HVAC systems, roofing, architectural exteriors, preventative maintenance, and indoor air quality solutions for businesses across the Upper Midwest.
Do you provide emergency HVAC or roofing services?
Yes, our 24/7 emergency service addresses urgent HVAC and roofing needs, ensuring minimal downtime for your business.
Which areas do you serve?
We operate throughout the Upper Midwest, including Minnesota, North Dakota, and South Dakota, with offices in Waite Park and New Hope, MN.
Are your technicians certified?
Yes, our team holds certifications from leading manufacturers like Carlisle, GAF, and Firestone, ensuring expert installation and maintenance.
How can I request service?
Contact us at (320) 251-8640 or via our website to schedule emergency repairs, maintenance, or consultations for new projects.
