Services
Service and Preventive Maintenance
Expert Service Backed by Decades of Experience
Comprehensive Coverage
Midwest Mechanical Systems provides responsive, professional service and preventive maintenance for complex mechanical systems. Whether it's commercial HVAC, industrial refrigeration, or process equipment, our expert technicians keep your equipment running safely and efficiently — reducing downtime and extending equipment life.
Whatever it takes.
24/7
Emergency Service Available. Our technicians are available around the clock for urgent mechanical service needs.
Heating Systems
- Boilers (Steam, Hot Water, Electric, Condensing)
- Furnaces, Unit Heaters, Radiators, Baseboards
- Feedwater Systems & Deaerators
- Water Heaters
- Electric Duct Heaters & Reheat Coils
- Infrared or Radiant Heaters
- Hydronic Heating Loops (Chilled & Hot Water)
Cooling Systems
- Chillers (Air-Cooled, Water-Cooled, Absorption)
- Cooling Towers
- Rooftop Units, DOAS Units
- Split Systems (Electric Heat, Gas, Heat Pump)
- VRV/VRF Systems (Variable Refrigerant)
- PTAC & PTHP Units (Packaged Terminal Units)
- Air Handling Units (Heating & Cooling, Cooling Only)
Piping & Distribution Systems
- Piping Systems (Process, Sanitary, Hydronic, Steam)
- Chilled Water, Hot Water, and Chilled Glycol Systems
- Steam Distribution and Condensate Return Systems
- Pumps for Heating, Cooling, and Process Applications
- Glycol Feed and Expansion Systems
Ventilation & Air Movement
- Makeup Air Units (Gas, Electric, Refrigerated)
- VAV Systems, Energy Recovery
- Dust Collection, Scrubbers, Hazardous Exhaust
- Supply, Exhaust, Return & Transfer Fans
- Terminal Units (VAV, Fan-Powered, Electric Reheat)
Industrial Refrigeration
- Ammonia (R-717), CO₂ (R-744), and Freon Systems
- DX, Flooded, and Pumped Recirculation Systems
- Evaporators, Refrigerated AHUs, Makeup Air Units
- Recirculators, Compressors, Gas Coolers, Safety Systems
- Oil Management Systems (Separators, Coolers, Pumps)
Specialty Systems
- Air Compressors & Dryers
- Humidifiers, Dehumidifiers, Economizers
- Evaporative-Cooled Devices, Outdoor Air Heat Exchange
- Coil Maintenance
- Modular Mechanical Skids
- Heat Exchangers (Shell & Tube, Plate & Frame)
- Controls Integration