Business Details
Emergency
services
Trusted HVAC, Roofing & Architectural Exteriors Services in Waite Park, MN
Founded in 1895, Mc Dowall has built a legacy as a trusted leader in commercial HVAC systems, roofing solutions, and architectural exteriors. With five generations of expertise, our team delivers precision installation, maintenance, and service tailored to diverse industries including healthcare, education, manufacturing, and government. We prioritize safety, innovation, and client collaboration, offering customized preventive maintenance plans and 24/7 emergency support. Our certified technicians leverage advanced technologies like needlepoint bipolar ionization and MERV filtration to enhance indoor air quality while ensuring energy efficiency.Recognized for excellence through industry awards, we partner with top manufacturers to provide durable, code-compliant solutions that extend system lifespans and reduce operational costs. Backed by memberships in SMACNA and MCA, we maintain rigorous safety standards exceeding OSHA requirements, ensuring reliable service for businesses across the Upper Midwest.
Services
HVAC Installation
Commercial Roofing
Preventative Maintenance
Indoor Air Quality Solutions
Retro-Commissioning
Architectural Exteriors
Emergency Repairs
Energy Efficiency Upgrades
Roof System Inspections
Custom Fabrication
Highlights and features
- Five generations of commercial HVAC expertise since 1895
- 24/7 emergency service with rapid response teams
- Customized preventive maintenance plans with cost analysis
- OSHA-compliant safety programs exceeding industry standards
- Certified installers for leading manufacturers like Carlisle and Firestone
Associations and certifications
- Sheet Metal and Air Conditioning Contractors National Association (SMACNA)
- Mechanical Contractors Association of America (MCA)
What people say
Flawless installation
Great service
Home run with service
Darn good service
Proven solutions
Services
HVAC Installation
We design and install custom HVAC systems for commercial buildings using plan/spec or design-build methodologies. Our certified technicians ensure proper equipment selection, energy-efficient configurations, and seamless integration with existing infrastructure. With expertise in industrial, healthcare, and educational facilities, we deliver systems that maintain optimal temperature control while minimizing operational costs through advanced technologies.
Commercial Roofing
Our roofing division handles installations, repairs, and maintenance for all commercial roof types including TPO, PVC, EPDM, and metal systems. Certified by leading manufacturers like Carlisle and Firestone, we offer emergency leak repairs, complete roof replacements, and preventive maintenance programs. Our safety-first approach ensures compliance with OSHA standards while extending roof lifespan through regular inspections and proactive care.
Preventative Maintenance
Customized maintenance plans include quarterly equipment inspections, filter replacements, and performance diagnostics to prevent unexpected failures. By analyzing energy usage patterns and repair history, we optimize system efficiency and budget planning. Our technicians perform comprehensive checks for electrical issues, leaks, and mechanical wear to maintain peak HVAC and roofing system performance year-round.
Indoor Air Quality Solutions
We implement advanced air quality systems including needlepoint bipolar ionization, HEPA filtration, and UV-C light technology to reduce pathogens and allergens. Our ASHRAE-compliant solutions improve ventilation efficiency while addressing specific facility needs like odor control and particulate reduction. These systems enhance occupant health in healthcare facilities, schools, and commercial spaces through continuous air purification processes.
Retro-Commissioning
Our retro-commissioning process evaluates existing HVAC systems to identify efficiency gaps and operational deficiencies. Through energy usage analysis and equipment benchmarking, we develop corrective action plans that restore system performance to original design specifications. This service helps aging facilities reduce energy costs by 15-30% while extending equipment lifespan through targeted upgrades and recalibration.
People
Mark Dingmann
General Manager - HVAC
With over 25 years in HVAC management, Mark oversees system design and implementation for commercial projects. He specializes in energy-efficient solutions and client collaboration to ensure optimal building performance.
Jay Mumm
General Manager - Roofing & Architectural Exteriors
Leading roofing operations for 20+ years, Jay directs installations and maintenance of commercial roofing systems while managing architectural exterior projects that combine functionality with aesthetic design.
Dr. John Collier
Client Representative
As a healthcare facility manager, Dr. Collier collaborates on HVAC projects ensuring sterile environments. His feedback highlights our ability to deliver flawless installations in critical care settings.
Terry Sullivan
Government Facility Coordinator
Managing municipal HVAC systems, Terry coordinates preventive maintenance programs that maintain public building comfort while optimizing energy efficiency for taxpayer-funded operations.
Melissa Peterson
Nonprofit Operations Director
Representing nonprofit clients, Melissa oversees HVAC upgrades that balance budget constraints with comfort requirements, ensuring reliable systems for community service facilities.
Questions
What HVAC services do you offer for commercial buildings?
We provide full-service HVAC solutions including installation, preventive maintenance, emergency repairs, and system retrofits for commercial, industrial, and institutional facilities.
Do you offer 24/7 emergency repair services?
Yes, our 24/7 service team responds to HVAC and roofing emergencies with rapid diagnostics and repairs to minimize business disruption.
How do preventive maintenance plans benefit my business?
Customized plans reduce unexpected failures, optimize energy efficiency, extend equipment lifespan, and maintain occupant comfort through regular inspections and proactive repairs.
Are your technicians certified for specialized equipment?
Our team holds certifications for major manufacturers and industry standards, including SMACNA and MCA accreditations for HVAC and roofing systems.
What geographic areas do you service?
We primarily serve the Upper Midwest region, including Minnesota, Wisconsin, Iowa, South Dakota, and North Dakota.
How do you handle commercial roofing emergencies?
Our certified roofing specialists provide immediate leak repairs, storm damage assessments, and emergency roof replacements with safety-compliant procedures.
Reviews (1)
Armando Gutierrez Ii
May 12, 2018
Report
McDowall doesn't just claim to be one of the best. Their personnel have the experience AND professional accolades to back it up.
