G & R Controls offers hydronic systems and products from a vast array of the country's leading manufacturers. Our expert staff will find the systems and products that meet your building's specific needs.

The service technicians at G & R Controls have over 100 years of combined service experience. Our factory-trained hydronic experts will ensure equipment is running optimally. Our service technicians are on-call 24/7 to help when needs arise. We also offer preventive maintenance agreements on hydronic equipment to provide regularly scheduled maintenance.

Manufacturer Partnerships

    • Heating/Cooling Radiant Panels
    • Special Extruded Radiant Panels
    • **only available in South Dakota
    • Heat Exchangers
    • Pumps
    • Pumps
    • Expansion Tanks
    • Air Separators
    • Triple Duty Valves
    • Plate & Frame Heat Exchangers
    • Booster Systems
    • Boilers
    • Condensing Boilers
    • Water Heaters
    • Burks
    • Barnes
    • Crown
    • Deming
    • Weinman
    • Submersible & Surface Pumps
    • **only available in South Dakota
    • Evaporative Condensers
    • Fluid Coolers
    • Open Cooling Towers
    • Non-Chemical Water Treatment
    • **only available in South Dakota
    • Boiler Chemicals
    • Chemical Feed Equipment
    • Water Meters
    • **only available in South Dakota
    • High-Efficiency Condensing Boilers
    • Water & Pool Heaters
    • Steel Firebox & Scotch Marine Boilers
    • Biomass & Coal Fired Boilers
    • Radiant In-floor Tubing
    • **Only available in South Dakota
    • Certified Custom Panels
    • Glycol Feeders
    • Pot Feeders
    • Chemical Pumps
    • Process Water Filtration
    • Cooling Tower Filtration
    • Membrane Pre-Filtration
    • Electric Boilers
    • Electric Water Heaters
    • Steam Boilers
    • Superheaters
    • Automatic & Manual Balancing Valves
    • Pre-assembled Piping Packages
    • Hose Kits
    • Combustion Control Products
    • Parallel Linkageless Controls
    • Boiler Feeder Pumps & Receiver Tanks
    • Condensate Pumps & Tanks
    • Vacuum Pumps & Receivers
    • Modular Steam & Hot Water Vertical Boiler Systems with Gas-Oil Burners
    • Expansion Tanks
    • Custom Designed Prefabricated, Pre-Insulated Containment Piping
    • Heat Transfer Equipment
    • Boiler Feed & Dearator Systems
    • Steam Specialty Equipment
    • Non-Electric Condensate Pumps
    • High-Efficiency, Copper-Finned Hot Water Boilers
    • **only available in South Dakota
    • Flexible Connectors
    • Expansion Compensators
    • Bent Water Tube Boilers
    • Steam & Hot Water Boilers
    • Combustion Equipment
    • Forced Draft Burners
    • Replacement Parts
    • Hot & Chilled Water Storage Tanks
    • Custom Tanks
    • **only available in South Dakota
    • Chimney Stack Venting Products
    • AL-294C
    • Polypropylene
    • **only available in North Dakota