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Becki from Belvidere, IL

Awesome service, friendly!

Matt from Belvidere, IL

Great Service

Phyllis from Belvidere, IL

Always pleased with their service as we have used them on several occasions from some plumbing repair to replacing furnace and water heater. Always prompt,courteous and professional.

very thorough and knowledgable

Sue from Belvidere, IL

kevin was very efficient left the area very clean and answered all of my questions

Good, timely service

Mark from Belvidere, IL

Great friendliness and service

Don from Belvidere, IL

Kevin did an outstanding job and would recommend his talents anytime

Good service

Bill from Belvidere, IL

Black Diamond is number one for a reason

ROBERT from Belvidere, IL

Black Diamond has implemented a recipe for success and excellence in all areas they service. Their business formula is the best in the industry and I suspect they will only get better and better. When something works, keep it going and only twerk little things here and there through the years. Listen to your customers within reason and staff the company they way only Black Diamond knows how. The quality of all your technicians is second to none. Their knowledge, professionalism, understanding and caring for their customers and the services the perform our outstanding, to say the least. I have never had 4 or 5 people from same company come out to my home and I couldn't tell u which one I liked the most. Absolutely phenomenal experiences with Black Diamond and more to cone in the future!! Nice to see a company, a big company, that cares soo much about the customer. Keep up the great work!! Keep surrounding yourself with these great technicians and there will be a lifetime of awards for you. Your technicians sell Black Diamond on each and every job, they provide the foundation for a great past, present and future!!!!!!

Great Service

GARY from Belvidere, IL

They did a great job.

quick response

Gary from Belvidere, IL

Ros was thourough and knew what he was doing.

Honest and Responsive

Landlord1 from Belvidere, IL

The HVAC service specialist was honest and responsive with his recommendation on how to service our unit. He recommended a new furnace as the cost and investment opportunity were within 1K. We went with a new install and they were in and out within a couple of hours. Tenants happy with customer service and cleanliness.

Good Sevice

FAUSTINO from Belvidere, IL

great service

Allen from Belvidere, IL

Black Diamond is the best

fast friendly service

William from Belvidere, IL

Great service, informative

Chris from Belvidere, IL

Had an issue with a part on our furnace. They came out and fixed it free of charge due to it still being under warranty. Very helpful explaining the issue.