There When you need us
There When you need us


Service Coupons

Superior quality and service. Black Diamond Plumbing & Mechanical focuses on providing excellent service to every customer, every time. We also want to show our valued customers how much we appreciate your business and referrals.

$30 Off Furnace Tune Up Cannot be combined with other offers or used on previous services. Call Black Diamond for details (866) 350-4793
10% Senior Discount Senior citizens receive 10% off (up to a $100 value)! See dealer for details. Call Black Diamond for details (866) 350-4793
$30 Off a Service Call Offer valid for services over $100. Cannot be combined with any other offer. Coupon must be presented at time of service. Cannot be used towards backflow testing, maintenance agreements, previous services, diagnostic trip fee or after hours/holiday fee. Call Black Diamond for details (866) 350-4793

Current Online Specials

Take advantage of one of these offers today. Check back often for updated discounts and specials on heating and AC repairs, new AC installations and other Black Diamond services.

  • U.S. Military: We support our troops with a special discount for service members.
  • Seniors: Senior citizens receive 10 percent off every day up to a $100 value.
  • Rebates: Ask your technician about manufacturer or energy rebates available for your new AC installation project.
  • Financing: We take the worry out of paying for your new AC unit with special financing with approved credit, for qualified buyers. We also accept all major credit cards for your convenience.

Black Diamond Difference

These special offers aren’t the only way that we create value for our customers. Every day, Black Diamond customers in Barrington, IL, and the Chicago suburbs enjoy flat rate pricing during normal business hours, accurate estimates and no unpleasant surprises on the final bill. Someone will be available 24-hours a day to answer your emergency call for residential or commercial electrical, plumbing or HVAC repair. At Black Diamond, our customers’ comfort is our first priority.

Request Service

Please fill out the form and we will get in touch with you shortly. We look forward to serving you!

Request Service

mobile map image
Proudly Serving
The Chicagoland Area

Addison | Algonquin | Antioch | Arlington Heights | Aurora | Barrington | Bartlett | Batavia | Beloit | Belvidere | Bensenville | Bloomingdale | Bolingbrook | Buffalo Grove | Byron | Caledonia | Capron | Carol Stream | And Much More!