1400 Miller Parkway
McHenry, IL 60050
866-369-3057

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Local Reviews

Rated 4.9 out of 5 stars based on 5219 customer reviews

Very Pleased with Service

Keo did the annual check up on my furnace. He was very polite and did a thorough job. I would recommend both Keo and Black Diamond to others

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Will use them again

He was on time. He was very helpful. Explained everything. He was done in an hour I would use them again. Great pricing

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Courteous technician. He worked quickly and professionally. Outstanding!

Outstanding!

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VERY SATISFIED

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Super nice and very professional

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Fantastic

It’s a perfect experience every single time - Rick is so professional - all businesses should strive to be this good.

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Great Service

Dave was prompt and did a great job. He explained everything that he was going to do.

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Great work as always

We had Doug do a small job today. As always it was done quickly, neatly, and very well done. He is a great asset for Black Diamond.

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Excellent service

Tim was methodical to find an answer to an unusual electrical problem.

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On Time Great Service went the extra Mile

We found the service to excellent . Caleb was so efficient, and accomodated my wife's needs He gave helpful advice and cared about us as customer. John, also, was very polite and helpful.

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Job Locations

Luis E.

Luis E. Job Checkin

Hydrogetting


Dave K.

Dave K. Job Checkin

Installing tankless water heater.


Jack L.

Jack L. Job Checkin

Plumbing issues


Luis E.

Luis E. Job Checkin

Water leak.


Keo V.

Keo V. Job Checkin

Furnace check


Luis E.

Luis E. Job Checkin

Sink clogged


Jack L.

Jack L. Job Checkin

Plumbing issues


Raudel S.

Raudel S. Job Checkin

Per customer needs fixture install


Ryan M.

Ryan M. Job Checkin

Inside excavation for a sewer repair


Luis E.

Luis E. Job Checkin

Clogged drain


Jack L.

Jack L. Job Checkin

Plumbing issues


Luis E.

Luis E. Job Checkin

Tankless


Luis E.

Luis E. Job Checkin

Wintereze


Jack L.

Jack L. Job Checkin

Plumbing issues


Luis E.

Luis E. Job Checkin

Clogged urinal.