Local since 1999
The name on the truck has to mean something.
Black Diamond is a McHenry-based plumbing and mechanical company serving Northern Illinois with plumbing, sewer, HVAC, electrical, ductwork, and water-system work.
How the work is organized
Train the technician. Protect the home. Explain the work.
Black Diamond operates from 1400 Miller Parkway in McHenry. The facility includes classroom and hands-on training space so technicians can work through equipment, controls, and service procedures away from a customer's home.
The company serves homeowners across Northern Illinois from that single business location. Service-area pages describe coverage; they do not create fictional branch offices.
Today the team answers plumbing and sewer calls alongside heating, air conditioning, electrical, ductwork, indoor-air, well, water-heater, and treatment needs.
Operating principles
Simple standards that show up in the house.
- 01
Answer when the problem happens
The dispatch line remains open around the clock.
- 02
Diagnose before prescribing
The visible symptom is the start of the investigation.
- 03
Leave the home respected
Protection, communication, and cleanup are part of the job.