Our Services

HVAC – John’s designs, installs and commissions any and all types of mechanical HVAC systems.  From our designers/estimators to our fabricating shop we are dedicated to providing our customers an outstanding, reliable and efficient mechanical and plumbing system.

PLUMBING – We design and install all types of plumbing systems for all types of markets. John’s has highly experienced designers who recognize new technologies and code compliancy.

MECHANICAL SERVICE – John’s provides service for any and all makes of mechanical equipment regardless of who originally installed it. Our highly trained technicians will keep your systems running at peak performance all year long. Additionally, John’s offer 24 hour service, 365 days a year.

SHEET METAL – We can design, fabricate and install any type of ductwork systems and architectural flashing systems. Our full service fabricating shop produces approximately 200,000 pounds of fabricated ductwork per year.

GEOTHERMAL – John’s has on staff one of only five certified geothermal designers in the state of Illinois. We can design and install any and all forms of geothermal systems.

PROCESS PIPING – John’s is capable of fabricating and installing process piping used for any and all types of industrial processes including solids, liquids and gasses.