Indoor comfort is a complex process, yet it can all boil down to one simple solution - the O'Connor Group.

Whether working with contractors, testing and balancing your system, or providing top-quality equipment - we're committed to Inside Excellence for your heating, ventilation and air conditioning needs.

O'Connor Company specializes in commercial and residential HVAC equipment, with extensively stocked warehouses and fast, knowledgeable service.

G&R Controls is the place to turn for energy management solutions - including automatic temperature controls, fire alarm and security systems, and hydronic heating and cooling equipment. Plus 24-hour emergency service response.

Balancing Professionals, Inc. provides NEBB-certified testing and balancing expertise, and is independently owned and operated for reliable third-party service.