Mastering the elements
For five generations

We are masters of commercial HVAC, commercial roofing, and architectural exteriors, installation, and service. Our team of experts handle every job – of any scope or scale – with a focus on quality and accuracy.


Servicing businesses
From the inside out

McDowall Company will ensure your equipment works as it should with flexible programs that fit your budget.

service & SUpport

Best-In-Class Systems
Commercial HVAC 

We are experts at providing full-service HVAC installation and maintenance to keep your business running smoothly. Our commitment to providing comfort for your staff and customers lets you focus on your business.

Commercial HVAC

Need Equipment service?
We serve businesses of all sizes


Since 1895, we have been serving organizations throughout the Upper Midwest. We provide our customers with the highest level of quality HVAC, roofing, architectural exterior systems as well as providing customized service and support solutions.

Call (320) 251-8640 to get started!

More than maintenance,
It’s peace of mind

McDowall Company will conduct a comprehensive review of your system and provide customized recommendations to keep your HVAC system in the best condition possible and extend your system’s lifespan. No matter the size of the project, we’ve got the service team to support your business, regardless of your equipment brand or past providers.

Service & Support

Industry experience

  • Education

    Ensure a safe and comfortable environment to help students and staff focus on education.

  • Healthcare

    Patients and staff rely on a comfortable, germ-free environment to prevent the spread of disease.

  • Manufacturing

    Reducing costly downtime through proactive programs that keep you running.

  • Government

    Engineering solutions to allow staff to minister to the comfort and health of its citizens.

  • Businesses

    Whether building new, or in need of an upgrade, we can make sure your business is ready for anything.

Intelligent comfort
From the inside out

McDowall Company focuses on helping building owners maintain proactive control of their facilities through preventive and routine maintenance and equipment upgrades. McDowall Company makes it effortless to stay current on regular upkeep.

Case studies

  • Saint John’s University – Humphrey Theater Building

    Key Factors:

    Education facility
    Choir and band rooms
    Approximately 4000 sq feet
    Project completed 2021

    The University of Saint John’s approached us with a problem, odors in the…

  • Becker Furniture World

    Key Factors:

    Packaged Units

    Becker Furniture World operates seven retail outlets with approximately one hundred fifteen packaged rooftop units to heat and cool the retail…

  • LP Building Products – Watkins, MN

    Key Features

    Manufacturing facility
    Warm environment
    Dusty conditions

    LP Building Products in Watkins MN, is a production facility that specializes in manufacturing Oriented Strand Board or OSB…

View All Case Studies

Join our expanding team of
Experienced technicians

We are growing as a company and are looking to hire qualified employees. We provide opportunities to improve your skills and grow within your career. If you want to be part of a fast-paced and exciting team check out our current openings.

Current Openings