John’s designs and installs all types of mechanical HVAC and plumbing systems. Our professional designers and estimators are dedicated to providing our customers an outstanding, reliable, and efficient mechanical and plumbing system. You can take comfort in knowing that we are going to provide you with a system that makes the most sense for your home. The right system is vital. Nobody provides you with that right system better than John’s.


Forced Air Furnaces
Hot Water Boilers
Heat Pumps
Hybrid Heat

Indoor Air Quality

Air cleaners
Air purifiers
Media filters
Energy Recovery Ventilators
UV lamps

Air Conditioning

Central Air Conditioning
Ductless (split) Air Conditioning


Sump Pumps
Water Heaters
Water Dofteners
On demand water heaters
Well tanks
Iron Removal Systems
Osmosis Water Systems
Whole house filters

Brands We Sell

“....Thank you for an outstanding job on our summer construction project. I cannot say enough about John’s Service and Sales. Your crew continued to impress me with their quality work, professionalism and speed. I hope that we are lucky enough to have John’s Service and Sales on our next future project. Thank You for all the hard work and for always being so dependable.”

~ Scott Clinch

Director of Operations and Maintenance, Ottawa Township High School District 140

Serving clients throughout Illinois and beyond since 1962. Third Generation and Growing.