Cahill Heating, Cooling, Electric, Plumbing & Sewer

About Us

Cahill Heating, Cooling, Electric, Plumbing & Sewer is a locally owned, independent HVAC, plumbing, sewer and electrical contractor serving Highland Park and Chicago’s North Shore since 1973.

Our certified technicians repair, maintain and install all major heating and cooling brands, including Carrier, Lennox, Goodman, Bryant, Heil, Trane, American Standard, Rheem, Ruud, York, Mitsubishi and Daikin. As a Trane Comfort Specialist and Mitsubishi Diamond Elite Contractor, Cahill provides expert furnace repair, furnace replacement, air conditioning repair, AC installation, boiler service, heat pump installation, ductless mini-splits, Unico and SpacePak high-velocity systems, indoor air quality and HVAC maintenance.

Our licensed plumbing and sewer professionals handle plumbing repairs, leak detection, water heaters, tankless water heaters, sump pumps, drain cleaning, sewer rodding, hydro jetting, sewer camera inspections and sewer line repair. We also offer electrical services, panel upgrades, standby generators and commercial HVAC service.

Based in Highland Park, we serve Highwood, Deerfield, Glencoe, Northbrook, Lake Forest, Lake Bluff, Winnetka, Wilmette, Kenilworth, Bannockburn, Riverwoods and surrounding North Shore communities.

Available 24/7 for heating, cooling, plumbing and sewer service. Call Cahill for dependable repairs, maintenance and installation estimates.