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

John’s Service and Sales is the BEST!! I would recommend them to anyone in the market for a new system or any service anyone would need for a current system they have. Every person from John’s I dealt with receives an A++ in my book!

~ Jim C.

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