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

Local Reviews
for east dundee, il

Rated 4.9 out of 5 stars based on 15 customer reviews

Quick response, great work!

This was the first time I've used them and they'll be the first ones I call the next time I need HVAC work!

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I really enjoyed working with the gentleman that came in on Friday the 1st night and looked over everything and let me know what he thought would be n

Have always been pleased with the service I've gotten from Black Diamond and the servicemen Who come out to the house everyone I miss respectful and thoughtful about my home and me and and that I am pleased with the work that they've done

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Very happy with the service

Had Josh he was good and cleaned everything up when he was done could not tell he was there

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Jose was very professional

Being hard of hearing, at times, I had trouble understanding because of Jose's accent

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Polite and straight-forward

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easy fix today

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No Heat Sunday

Everything was great! Fast response nice guy and we had heat in less then a hour. Thank you!

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Great Service!

Very professional. Cleaned up nicely after the instulation

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Great Service!

Very professional. Cleaned up nicely after the instulation

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Good Service!

Very professional. Cleaned up nicely after the instulation

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Very Informative, Excellent Service!

Ryan was very friendly, welcomed my questions and gave me many different options to choose from. I felt comfortable that he was suggesting what I needed and trusted his feedback. My appointment was scheduled and I received service the same day. Great experience!

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great service

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Great Service

Came when they said. The Black Diamond employee that came was polite and friendly. Job was done right and cleaned up afterwards.

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The installer was poliet, efficient and worked hard.

The cost price was NOT broken down. When I requested a break down of cost, I was told that your company does NOT do this. WHY not? I want a break down of cost; labor and cost of toilet. PLEASE SEND ME THIS! I should have a cost break down as requested. This was the only bad experience I had.


Response from Black Diamond:

We have emailed you the requested information. Please let us know if there are any other questions!

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Great Service

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Job Locations
for east dundee, il

Keo V.

Keo V. Job Checkin

Furnace check


DOUG R.

DOUG R. Job Checkin

Electric service repairs


Keith H.

Keith H. Job Checkin

AC not working


Jack L.

Jack L. Job Checkin

Plumbing issues


Jack L.

Jack L. Job Checkin

Sump pump issues


Clay C.

Clay C. Job Checkin

Furnace and humidifier clean and check


Ryan M.

Ryan M. Job Checkin

Excavation for a water line repair


Luis E.

Luis E. Job Checkin

Clogged drain


Brian S.

Brian S. Job Checkin

Excavation For Sewer Repair


Ryan M.

Ryan M. Job Checkin

Excavation for a sewer repair


Aaron K.

Aaron K. Job Checkin

Frozen pipe


Juan M.

Juan M. Job Checkin

Plumbing issue


Juan M.

Juan M. Job Checkin

Plumbing issue


Juan M.

Juan M. Job Checkin

Plumbing issue


Juan M.

Juan M. Job Checkin

Plumbing issue