Professionals from the start through the entire process

Rick from Elmhurst, IL

I've used Black Diamond for every plumbing, heating and cooling need. Every experience is better than the last, they are truly the #1 company in their industry.

Injector Pump Replacement

John from Elmhurst, IL

Service technican was prompt, professional, personable, clean. Diagnosed the problem and effected replacement in a timely fashion.

Furnace Check

Wally from Elmhurst, IL

Comprehensive inspection and cleaning of our furnace. Replaced our filter. Service tech was on time, very polite and friendly. Told us about duct cleaning service and gave us a pamphlet. Would recommend to anyone. Competitive in price.

Professional installation

Kurt from Elmhurst, IL

We had a new generator installed and Black Diamond was terrific through the entire process. They were very responsive, quick, and the install was done extremely well and looks very professional.

Excellent service

Claudia from Elmhurst, IL

We used Black Diamond for some electrical work and everything about the job was excellent. Response time, the work and ease of transaction. Richard was professional, knowledgeable and worked very quickly.

Great Service

G from Elmhurst, IL

Great Service

Giancarlo from Elmhurst, IL

Thorough explaination and lots of options presented

Jaye from Elmhurst, IL

Wonderful service, knowledgeable electrician

Joyce from Elmhurst, IL

Dwas the main electrician on the job with Matt as his apprentice. Not only did they do the work we requested, they noticed things that weren't wired correctly or inefficiently and brought to our attention.

Fast, friendly and knowledgable!

Adrienne from Elmhurst, IL