G & R Controls has been an authorized Siemens Independent Field office since 1977 supplying cutting edge, building automation and temperature control systems to customers throughout the Dakotas and surrounding states. Our factory-trained staff ensures proper indoor air quality and comfort as well as energy efficiency in our customers' buildings.

G & R Controls also represents the leaders in hydronic equipment. We sell and service many types of boilers, pumps and heat exchangers as well as secondary hydronic components and accessories.

Our professionally trained service staff is available 24/7 to provide quick response to your HVAC needs. Rest assured you will have a team of experts backing your HVAC equipment for its lifetime. We also offer preventive maintenance agreements to provide regularly scheduled maintenance on your equipment. Preventive maintenance is beneficial to stay on top of the normal wear and tear placed on mechanical equipment throughout its life cycle.

Our team wants to ensure that your system is what you expected from start to finish by representing the industries best manufacturers and offering the services facilities need most. We have full-stocked warehouses throughout North and South Dakota to provide quick access to many HVAC parts.

G & R Controls maintains a team of professionally trained people to provide the necessary expertise for our customers. Our Certified Energy Mangers (CEM) can evaluate your facility for efficiency and provide consultations to lower energy use and increase occupant comfort while our LEED professionals can consult with you about ways to implement energy saving designs and green features to your facility.

Let us know how we can help you!

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  • Building Automation

    G & R Controls partners with Siemens Building Technologies to provide the latest technology in building automation and temperature control systems. Learn More

  • Facility Services

    G & R Controls stands behind its products and services with a one-year warranty as well as preventive maintenance contracts to serve customers. Learn More

  • HVAC Parts

    ​G & R Controls stocks a full line of replacement parts at warehouses throughout North and South Dakota. Our friendly and knowledgeable staff will assist you in find the proper replacement parts and coordinating a service technician for installation if necessary. Learn More

  • Energy Consulting

    Monitoring a facility for proper Indoor Air Quality and energy efficient systems can be a difficult task. Trust G & R Controls to evaluate your facility and make recommendations to save long term operating costs and extend the life of equipment. We also specialize in retrofit projects. Learn More

  • Facility Planning

    Energy Management Solutions are tools a facility can use to make investments in new energy-efficient equipment or scheduling sequences in building automation systems. It is an affordable way to make upgrades that can then be paid for with energy savings Learn More

  • Indoor Air Quality

    Indoor air quality is important for occupant health. Allow G & R Controls to evaluate your facility and make recommendations for improvements. Learn More

  • Retro Commissioning

    Retro-commissioning can reduce overall costs and extend the life of mechanical equipment. G & R Controls can identify and address those concerns. Learn More