MSI is a homegrown, family-owned company committed to providing HVAC, plumbing, electrical, pipe fitting, sprinkler fitting and sewer cleaning services to the Peoria and Galesburg areas. We offer 24-hour emergency services, so if you need something repaired, you can count on us no matter what time the clock reads.


Electrician Serving Galesburg & Peoria IL

Our electrical department can help you with all your wiring, lighting and power needs.  We can also install data communication wiring and landscape lighting.  Indoors or out, MSI can do it all.

New Homes and Remodels

  • Outlets and Lighting
  • Data and Communications
  • Power
  • Main Electrical Services – 320AMP, 200AMP and 100AMP
  • Main Panel Replacement
  • Troubleshooting
  • Knob and Tube Removal and Replacement
  • Generac Generator Sales
  • Generac Generator Warranty Services
  • Generac Generator Installation and Maintenance
  • Landscape Lighting
  • Cable Wiring
  • Ethernet Wiring
  • Phone Wiring
  • Smoke Detector Wiring
  • Home Theater Wiring
  • Under Cabinet Lighting
  • Heat Tape Installation
  • In-Ground and Above-Ground Pools
  • Hot Tub Wiring
  • Equipment Wiring
  • Low Voltage Systems – Doorbells, Lighting, Switching

Galesburg Services

  • Plumbing
  • Furnace repair
  • Air Conditioner Repair
  • Electrical Repair
  • Metal Fabrication


Furnace & Air Conditioner Repair in Galesburg & Peoria IL

MSI will go the extra mile to include a home comfort analysis, a custom designed system, and a free sound reduction package with every installation to ensure that your system is the right size and most efficient for your family’s needs.

MSI specializes in new homes and remodels along with direct replacement of old equipment.

  • Furnaces
  • Air Conditioners
  • Ductless Splits
  • Heat Pumps
  • Garage Heaters
  • Geothermal
  • Boilers
  • Air Handlers
  • Duct Cleaning
  • Preventative Maintenance
  • MSI is a registered Program Ally of Ameren Illinois ActonEnergy® Programs


Plumbing Services for Galesburg & Peoria IL

Whether it is a leaky toilet in need of repair or a complete kitchen or bath remodel, MSI can be the contractor that you turn to for help.  We take pride in our work and we want you to have the highest quality service around.

New Homes and Remodels

  • New Bathroom or Kitchen Fixtures
  • Water
  • Sewage
  • Sump Pump
  • Water Heaters
  • Ejector Pits
  • Lawn Irrigation Repair
  • Backflow Prevention Testing and Instillation
  • Radiant in-the-Floor Heat
  • Geothermal
  • Boiler Piping