The leader in HVAC equipment,
service, and technical expertise

At MRG, we represent more than 30 leading manufacturers in every category of commercial HVAC solutions.
We have the engineering know-how and capabilities that set us apart from our competitors.

Experience. Innovation. Results.

For HVAC and Industrial equipment, parts, service, and controls, you can count on MRG.
From conceptual design to end-of-life replacement, our team is committed to your project's comfort, reliability, and sustainability needs.

Equipment Sales


MRG provides the HVAC equipment for your projects, buildings, manufacturing, and industrial process needs. In addition, we support owners, engineers, and contractors with design and technical assistance to deliver reliable systems and world-class products.



Variable Refrigerant Volume (VRV) uses inverter technology and refrigerant piping to distribute heat loads for precise temperature and humidity control. Daikin VRV is up to 30% more energy-efficient than conventional systems making it HVAC's solution for comfort, sustainability, and decarbonization.



With experienced staff and industry-leading steam equipment, MRG provides full-service solutions for all things steam and combustion. 
  • Boilers
  • Burners
  • Condensate
  • Traps
  • Ventilation
  • Heat Exchangers
Variable Frequency Drives

Variable Frequency Drives

MRG is the leader in industrial and commercial Variable Frequency Drives (VFD). We combine our local technical field experts with Yaskawa engineering for applications ranging from fan and pump VFDs to industrial automation.

  • Industrial Process
  • HVAC
  • Automation
  • VFD Rebuilds
  • Custom Control Panels
  • Power Quality Analysis
Controls & Analytics

Controls & Analytics

MRG provides the future of intelligent buildings with Distech Controls and BuildingLogix (BLX).
Distech is building the future of building automation with non-proprietary technologies. Customers can finally control building and service provider performance using Distech's open systems.

Using BLX, facility managers control entire portfolios with different systems (Trane, JCI, Alterton) from a single application. Single log-in access to BAS set-points, schedules, trends, analytics, and energy management is a force multiplier for any portfolio manager serious about comfort and efficiency.

Vibration & Isolation

Vibration & Isolation

MRG provides solutions for mechanical isolation, acoustic floating floors, and architectural systems. Our partnership with Mason Industries establishes MRG as the leader in our market.

Indoor Air Quality

Indoor Air Quality

MRG offers proven methods and products to improve indoor air quality. So whether your goal is to increase ventilation or eliminate airborne particulates, we can advise you on solutions that will improve your facilities' indoor air quality.

  • Bipolar Ionization
  • Filtration
  • Ultraviolet Lights
  • Ventilation
Aftermarket Parts

Aftermarket Parts

MRG aftermarket parts professionals ask the right questions to solve your problems and get you the right parts. We have over 2,000 items in inventory to support your HVAC part needs. We focus on helping service contractors and owners succeed with their aftermarket parts needs.



MRG is the team of professionals you need to start up, repair, and maintain your HVAC equipment. With over 30 technicians, our team brings expertise to service your entire system, helping you resolve complicated technical issues for your comfort, reliability, and sustainability.

  • IAQ Solutions
  • Equipment Upgrades
  • Building Controls
  • Maintenance
  • Repairs


MRG maintenance programs increase the life of your equipment and reduce the risk of premature failure. We offer multiple tiers of maintenance plans to fit your budget and keep your equipment running.

MRG's Predictable Buildings and Budgets (PBB) program transfers your HVAC asset risk to MRG. If repairs or a replacement are required, the program covers those expenses at no additional cost to the client.


Continuous Innovation Through Learning

Educating the HVAC industry is a core part of MRG's mission. We offer professional development through our symposium series focused on educating HVAC professionals and creating enthusiasm for new technologies. Our next symposium is on The Future of Controls: Nobody Wants A Proprietary Control System, by experts from MRG and our partner Distech Controls.


A Library of Resources to Further Your Knowledge

Our Mechanical Pros video series provides real-life best practices that service techs can use on-site to solve problems and service managers can present for training. This series is committed to educating and promoting skilled trades and the HVAC industry. New videos are added every Thursday. Subscribe today!


The Power of Partnership

We represent over 30 leading HVAC manufacturers to provide high-quality and cost-effective equipment for your projects.

“Our students wouldn’t be skipping down the hallway without the knowledge and work of MRG. The system they installed is a huge part of why we have been able to continue in person learning.”

Ryan Barnett
Director of Facilities and Maintenance
St. Henry

Our Story

David Fruetel purchased Mechanical Resource Group in 2006, bringing decades of experience in the HVAC industry and a personal dedication to leading and serving. Today, his sons Jon and Matt continue to lead and grow the business by helping clients and investing in our team.

We are driven by service and a love for what we do. Learn more about MRG and why we're the best choice for your next HVAC project.

We Love To Share Our Knowledge


Learn industry tips and tricks by viewing our Mechanical Pros video series


We understand the many issues you have to worry about, not to mention indoor air quality


Become an industry expert by attending one of our training symposiums and access materials from prior events.