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Black Diamond Plumbing & Mechanical

When Diamond Plumbing and Mechanical was incorporated in 1999, our goals were to provide excellent service and quality workmanship to our friends and neighbors in and around Barrington, IL. Now, over 12 years later, our heating and air conditioning company has stood the test of time, and we owe thanks to our dedicated team of hvac technicians with the expertise to deliver excellent workmanship and our customers who recommend us to their family and friends.

Who We Are

Our sound business practices and dedication has gained us recognition throughout Crystal Lake, IL, and the surrounding areas. Some of our most notable awards and recognitions include:

  • Circle of Champions Award by Bryant 2013
  • Robert O. Covey Business of the Year Award for 2012
  • Ranking one of the best places to work in Illinois from 2011-2013

Our HVAC contractors are factory trained and certified. We strive to always stay ahead of the latest products and services offered in the HVAC industry, so ongoing training is essential for our technicians. Our dedication to consistency and training has equipped our dedicated team with the tools needed to complete any job confidently. Some of the services that we offer include:

  • Heating and air conditioning repair
  • Installation services
  • Duct cleaning
  • Plumbing and electric services
  • Free estimates
  • Flat rate pricing
  • 24-hour emergency services

We Are Bryant Factory Authorized

Gaining the Bryant Factory Authorization is another one of our greatest accomplishments. You as a consumer should understand the value that stands behind the "Bryant Factory Authorized Dealer" designation. When you hire an authorized dealer, you are guaranteed 100 percent satisfaction on the maintenance, installation and repair of your Bryant products. We had to meet strict standards to prove our knowledge and commitment to excellent customer service.

Give us a call if you want to find out why we're considered one of the best heating and air conditioning companies in the area. Our staff at Black Diamond Plumbing and Mechanical, Inc. look forward to serving you.

Don't Take Our Word For It! Here's What Our Customers Are Saying

  • Black Diamond Plumbing & Mechanical
    Very professional!!!! Very prompt response to our calls!
    - Norman A., Lake in the Hills
  • Black Diamond Plumbing & Mechanical
    I can't say enough about Ron, Austin, David- hard workers! Make you feel at ease. I recommend them highly.
    - Marian P., Huntley
  • Black Diamond Plumbing & Mechanical
    Jess & Patrick went above and beyond. Excellent service. Thank you!
    - Jim W., Elgin
  • Black Diamond Plumbing & Mechanical
    I can't say enough about Ron, David, Austin all 3 are very hard workers they make you feel at ease I highly recommend them.
    - Mariane P, Huntley
  • Black Diamond Plumbing & Mechanical
    Tess & Patrick went above and beyond excellent service.
    - Jim W, Elgin
  • Black Diamond Plumbing & Mechanical
    We appreciate the promptness, professionalism and quality of the work done. We won't hesitate to call Black Diamond again.
    - Julie E. Carpentersville, IL
  • Black Diamond Plumbing & Mechanical
    Our experience with Black Diamond is unsurpassed. They are second to none! They are hardworking, experienced, and an honest company. I would recommend them for any or their services. Their employees are truly an asset to the company.
    - Josey L., Algonquin, IL
  • Black Diamond Plumbing & Mechanical
    Excellent service and reliability. We can always count on the job being performed to be completed and functioning properly.
    - Mark L., Cary, IL


Angie's List Super Service Award Northwest Herald Reader's Choice


NATE Certified Puron