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HVAC, Plumbing & Electrical in Greyslake, IL

See our Grayslake customer reviews below

Local Reviews
for Grayslake, IL

Rated 4.7 out of 5 stars based on 35 customer reviews

Map of Grayslake, IL

Amazing Service!




I’ve used Black Diamond for years, they are a wonderful company!!! Just had them out for an electrical problem my Techs were Matt and Tony, they were amazing! Very proffesional, and knowledgeable. Cant say enough! Thank you for your wonderful service!


Map of Grayslake, IL

Diamond plumbing is awesome!




Thank You Jimmy and Jesus for a job well done. We will definitely use Diamond again and will recommend to friends and family.


Map of Grayslake, IL

Great Service




Juan was very nice and knowledgable. My problem was fixed quickly.


Map of Grayslake, IL

Great service!!!




My a/c went out on a 94 degree day...Black Diamond had Keith, my service rep, out to do repairs in record time!


Map of Grayslake, IL

Great Service




Josh was great! He replace our hot water heater quickly and resolved another issue that we had not quite figured out. He was courteous and professional.


Map of Grayslake, IL

Fast and Efficient




The team was fast, friendly, and efficient. They came in, cleaned every duct and the dryer run. No mess was left behind. I couldn't be happier with the service!!


Map of Grayslake, IL

Great service technician




Technician was awesome.......found problem in and fixed all within a short period of time. Difficulty in having service scheduled due to flooding blocking main entry to. Subdivision but township was providing transport through flooded area


Map of Grayslake, IL

Great service! Diagnosed and fixed the problem.....





Map of Grayslake, IL

Emergency Help




Woke up ready to leave on vacation. Found kitchen sink clogged after coffee and thought disaster! Called Black Diamond for help and they had someone out quickly. Unclogged the drain, was polite and understood the dilemma we had. Clog resolved, vacation delay held to a minimum. Thank you!


Map of Grayslake, IL

Nice technician




They were prompt and commicated very well. Technician was very good. Price was quite high for simple motor replacement. Capacitor price was outrageous at $166.


Awesome Service




Sump pump failed. Called Black Diamond and they had repairman out within 2 hours. Luis was very professional, explained the problem and options clearly. He completed the agreed upon work quickly and efficientl. I would highly recommend to others.


Tim Martin / Great Service




Tim did a great job explaining the different options I had for replacing my old furnace. He was professional and courteous and knew his job. It was a pleasure working with Tim.


Love Black Diamond Crystal Club




We have 2 furnaces, 2 air conditioners and a whole house generator. I feel confident knowing that Black Diamond will provide the best and timely service via the Crystal Club. Plus, any ancillary services are 15% off! I highly recommend the Black Diamond Crystal Club.


Great service. This young man took care of business. I'd call black diamond again in a heart beat. GREAT JOB.





Good service





AC Repair - Nick




Great and friendly service. Highly recommend.


So cute!!! And smart too!!




Josh was amazing! He knew exactly what to do. If I were a woman I would have his baby!!


Good Service





I Would Delete My Negative Review - Black Diamond Is Great




I posted a negative review of Black Diamond earlier today. While I am disappointed that there was a lot of miscommunication. The company is coming out to rectify the situation. Tony the Supervisor was very agreeable to get the job done and done to the customer's (me) satisfaction. I would definitely recommend Black Diamond to friends and family.


Very Disappointed




I am hugely disappointed in Black Diamond. I requested the install of 3 fans for our bedrooms. Doug, a very respectful service man gave me an estimate. A week later Doug and an apprentice showed to do the installs. After the fans were installed Doug showed me that they were working. I should have asked Doug to show me step by step how the fans and lights were working. What I came to find out later that night was that I could not work the lights and fans independently. When I called to complain about this Black Diamond sent out another electrician. He told me I was originally quoted on just bringing electric to the fan so the fan works. I did not request that the lights work separately from the fans. How am I to know that I had to ask for this? I am not an electrician. I bought fans with lights and remotes. They couldn't even install 2 out of 3 fans with remotes. I am now being told I have to pay another $420 on top of the $1450 I already paid - because I did not ask for the functionality. I only asked them to install the fans. I called on Saturday after the second service man left giving me the $420 additional quote. I left a message asking for the owner Rick to call me. I was told Tony the Supervisor would call me that day. It is two days later and I have heard nothing. I'm furious.


Response from Black Diamond:

We're sorry for the frustrating experience but glad that we could get this resolved for you - thank you for giving us a chance to make things right and leaving us a great review on the 7th.


Tim B.

Tim B.

Full install

Near Co Hwy 39, Grayslake, IL 60030
Alexander L.

Alexander L.

Air duct cleaning

Near Co Hwy 39, Grayslake, IL 60030
Luis E.

Luis E.

Kitchen clogged

Near IL-120, Grayslake, IL 60030
Luis E.

Luis E.

Urinal clogged

Near Blackburn Dr, Grayslake, IL 60030
Luis E.

Luis E.

Floor drain clogged

Near S Atkinson Rd, Grayslake, IL 60030
Ryan M.

Ryan M.

Plumbing repair

Near E Belvidere Rd, Grayslake, IL 60030
Daniel B.

Daniel B.

Ceiling fan installation

Near Remington Ct, Grayslake, IL 60030
Jack L.

Jack L.

Plumbing issues

Near Sycamore Ln, Grayslake, IL 60030
Matthew V.

Matthew V.

Provided and installed a new combo decora switch and (2) back lit GFCI.

Near Fairport Dr, Grayslake, IL 60030
Jesus G.

Jesus G.

Install expansion tank

Near Shakespeare Dr, Grayslake, IL 60030
Raudel S.

Raudel S.

Water heater leaking

Near Gulfstream Ct, Grayslake, IL 60030
Mario A.

Mario A.

Sewer pipe

Near Washington St, Grayslake, IL 60030
Jack L.

Jack L.

Plumbing issues

Near Gilmer Rd, Grayslake, IL 60030
Raudel S.

Raudel S.

Toilet not working properly

Near Fairport Dr, Grayslake, IL 60030
Mario A.

Mario A.

Water line repipe

Near Algonquin Dr, Grayslake, IL 60030
James A.

James A.

Water heater install

Near Derby Ct, Grayslake, IL 60030
James A.

James A.

Water heater

Near Derby Ct, Grayslake, IL 60030
Gerad A.

Gerad A.

Please leave a Google review for your light fixture troubleshoot

Near IL-83, Grayslake, IL 60030
Michael B.

Michael B.

Gas leak

Near Osage Orange Rd, Grayslake, IL 60030
Jesus G.

Jesus G.

Kitchen Faucet installed

Near N Linden Ave, Grayslake, IL 60030
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