Service and Maintenance
BoilersChillersHVACRefrigerationPlumbingFabricationMillwrightSteamProcess PipingSheet MetalTanks and Vessels
Contact Corval Group when facility systems require emergency service, repair, or ongoing maintenance from certified technicians.
Emergency Service for Industrial Refrigeration or Ammonia: 800-279-9031
All Other Emergency Service: 651-642-5555
Experienced Technicians
Corval Group technicians average ten years or more in the field and have the appropriate certifications, expertise, and safety training for any work they will be conducting.
Total
Solution
One-call simplicity for HVAC, refrigeration, chiller, plumbing, and more.
Wide Service Area
We have regional coverage to react and investigate any challenge your facility might have.
National Service and Maintenance Contracts
Corval Group embeds our employees at your location to provide ongoing service and maintenance.
General Service and Repair
Keep critical mechanical systems operating smoothly and your facility performing to specification with regular service and skilled repairs from Corval Group technicians. Our team has the proper training, certifications, and safety training to complete projects quickly, correctly and without incident.
- Retrofit and Replacement
- Burner Service—Steam / Hot Water
- Boiler Cleaning
- Combustion Analysis and Tune-ups
- Power Burners
- Troubleshooting and Service
- Operating Inspections
- Chief A License
- Tube Repair / Replacement
- Refractory Work and Repair
- Mobile Boiler Rental
- Pressure Vessel Repair
- Mud Leg and Staybolts
- R Nation Board Certification
- Service and Repairs—Centrifugal, Helical Screw, and Absorption Chillers
- Factory-Certified Techs on All Four Major Manufactures
- Preventative Maintenance
- Vibration Analysis Program
- Oil Analysis Program
- Panel Retrofits
- Overhauls and Conversions
- Cooling Tower Repairs
- Tube Cleaning
- Eddy Current Testing
- Temporary Cooling
- Service / Repair / Installations
- Chillers—Air-Cooled and Water-Cooled
- Cooling Towers and Evaporative Coolers
- Refrigerant Monitoring
- Motors and Pumps
- Condensing Units
- Rooftop and Unitary
- HVAC Units—Electric and Gas-fired
- Air Handlers
- Fans
- Pneumatics
- Digital Controls / Automation
- Variable Frequency Drives
- Air Filtration
- Humidification
- Liebert Certified
- Ammonia Services
- General Refrigeration
- Parts and Equipment
- Customized Preventative Maintenance
- Equipment Inspections and Walkthroughs
- Customized Predictive Maintenance
- Vibration Analysis
- Oil Sampling
- Cold Flow Analysis
- Reactive Maintenance Troubleshooting and Repairs
- 24/7 Emergency Service
- Turnaround / Downtime Planning Services
- Refrigerant Removal and System Charging
- Oil Draining and Disposal
- Pump-Downs, Evacuations, Pressure Tests
- Secondary Coolant and Brine Testing and Balancing
- Ventilation Testing and Balancing
- Ammonia Detection Calibration
- Rpz / Backflow Prevention
- ASME Certified
- Medical Gas
- Water Heaters / Boilers
- Sewage Ejections
- Water and Waste Systems
- Domestic Boilers
- Softeners
- Booster Pumps / Skids
- Fixtures / Fixture Repair
- Sewer / Drain Cleaning
- Camera Work / Pipe Inspections
- Design
General Plant Maintenance Offering
Partner with Corval Group to maintain facilities nationwide. We place certified technicians at your locations to keep systems running to specification. All technicians are employees of Corval Group and are backed by our complete offering of resources, expertise, and parts at their disposal.
- 24/7 Service
- Turnkey
- Preventative Maintenance
- Predictive Maintenance
- System Analysis
- Machinery and Process Equipment
- Material Handling Equipment
- Power and Recovery Boilers
- Pollution Control Upgrades
- Turnarounds and Shutdowns
- Maintenance / Project Management
- Precipitators / Baghouses / Scrubbers
- Dust Collectors
- Performance Measurements
- Reliability Centered Maintenance
- R-Stamp National Board Certification
- ASME U/S Stamp
- Complete EPC: Engineer, Procure, Construct
- Services
- Turnkey Tank Expansions
- Shutdowns / Turnarounds
- Upgrades and Optimization
- Maintenance and Repairs
- Industrial
- Onsite / Offsite Prefab
- Shutdowns / Turnarounds
- Conveyor Systems
- Rigging and Erecting
- Steam Turbine
- Gas Turbine
- Shaft Alignment
- Pumps / Motors—Shaft Alignment
- Concrete / Grout
- Equipment Installation
- General Maintenance Service
- 24/7 Emergency Response
- Budgeting / Value Engineering
- ASME Certified
- Skid Fabrication
- Certified Welding
- Skid Assembly
- Spool Piping
- Steel
- Process Piping
- Platforms
- Tank / Vessels
- Rigging
- Fabrication
- Installation
- Buildings
- Maintenance / Repairs
- Fabrication / Installation
- EPC
- Design / Build
- Design / Assist
Specialty Services
Offering fabrication skills and expertise for technical assignments or uncommon challenges. Our teams draw from an extensive offering of tools, capabilities, and knowledge—as well as the broader resources of Corval Group engineers when needed—to deliver successful projects.
- Spool Piping
- Industrial Process Piping
- Power Piping
- Onsite Fabrication
- Certified Welding
- Skid Fabrication and Assembly
- Shutdowns / Turnarounds
- Conveyor Systems
- Rigging and Erecting
- Steam Turbine
- Gas Turbine
- Shaft Alignment
- Pumps / Motors
- Concrete / Grout
- Equipment Installation
- General Maintenance Service
- Ammonia Services
- General Refrigeration
- Parts and Equipment
- Maintenance / Repairs
- Fabrication / Installation
- Industrial
- Commercial
- Heating / Cooling
- Nondestructive Testing / Examination
- (NDT/NDE)
- Chemical
- Cleanroom
- District Heating / Cooling
- Certified Welding
- Oil / Petrochemical
- Water Balancing
- NEBB Certified
- Fabrication
- Industrial / Commercial
- Air Balancing
- Design
- NEBB Certified
- Pressure Vessel Repair
- Design
- Fabrication
- R Nation Board Certification
- ASME— “U” & “S” Stamp Certifications
Certified, Verified, and Bonafide
We build your confidence by earning accreditations, memberships, and certifications from the most respected and relevant associations.
"Corval has never left us hanging, they understand our business and do whatever it takes to keep us running day in and day out. I consider Corval just an extension of my own staff."
Corval Group is a Single-Source Solution
Corval Group offers dimensional capabilities that can be contracted as stand-alone offerings or bundled and provided through one of our various delivery methods to meet a facility project’s specific requirements.
Project Development
Innovative approaches from site selection to state/local economic development participation to turnkey financing solutions for facility projects.
Preconstruction
Gathering perspectives from key stakeholders and using careful analysis to create a detailed plan for construction success.
Engineering
Expert engineering for complex refrigeration, process facilities, and complex mechanical systems.
Construction
Meeting the need with turn-key EPC or design/build services as well as construction management or general construction capabilities.
Refrigeration
Robust engineering, design, and construction capabilities for any refrigeration system, method, or cooling application.
Fabrication
Expert craftspeople with more than 60,000 square feet of fabrication space and tooling to meet industrial and commercial needs.
Special Projects
Handling small projects and difficult challenges including tight deadlines, budget constraints, habitation issues, and other scenarios that can jeopardize a project.
Service and Maintenance
Keep a facility operating to specification with 24/7 emergency and as-needed service.
