COVID-19 Readiness - We are actively monitoring the news about the coronavirus and taking necessary precautions to ensure our office remains open, technicians are available and call center is staffed. More Information
(866) 350-4793
Available 24 Hours(866) 350-4793 Serving Chicagoland & More
Call Today(866) 350-4793 Serving Chicagoland & More
Learn More

Air Conditioning Services in the Crystal Lake & McHenry, IL Areas

Repair, Maintenance, Installation & More Near Naperville & Barrington!

Air Conditioning - HVAC AC

A central home cooling and heating system is a critical component in any home or office. In our hot and humid Midwest weather, dependable AC equipment supplies homeowners with an abundance of cool, conditioned, and dehumidified air.

If you are looking for air conditioner service for your Illinois home, call the experts at Black Diamond Plumbing & Mechanical. For more than 15 years, our HVAC, plumbing, and electrical company has been improving homes through our service and expertise.

Ready for high-quality air conditioning services? Call (866) 350-4793 or contact us online now!

We proudly provide the following air conditioning services:

Emergency 24/7 Air Conditioner Repair

Are you looking to schedule air conditioning service—and fast? We understand that breakdowns can happen at the most inconvenient times. Whether it’s on the hottest day of the year or you have a family gathering on the weekend, it’s important to have a home you can feel comfortable in. When your AC system breaks down and you need to schedule an emergency repair, call the experts at Black Diamond. Our technicians can provide your home with an emergency repair any day of the year.

Air Conditioning Repair Services

preventive HVAC maintenance

For areas with hot and humid summers, a malfunctioning air conditioner can impact the health and safety of the elderly, children, and people suffering from chronic illness. Time is a critical factor when a system breaks down, and it is important to hire an HVAC contractor who responds quickly to service inquiries and communicates regularly through the repair process.

For every home heating and cooling repair, we dispatch technicians who have experience servicing virtually any brand or model of air conditioning equipment. Their knowledge and expertise will help reduce downtime and keep the cost of the repair to an absolute minimum.

When you need an AC repair, and fast, call the experts at Black Diamond Plumbing & Mechanical.

AC Installation & Replacement

Accumulated heat stress will degrade air conditioning performance over time. When repair costs begin to rise and indoor comfort is compromised, it may be time to consider an AC replacement. Homeowners with systems that are more than ten years old may benefit considerably from the purchase of a new, efficient air conditioning system. In fact, replacing a 10 SEER air conditioning unit installed in the early 2000s with a modern 16 SEER system can save up to 60% on annual cooling costs.

When you’re looking to install a new cooling unit in your Illinois home or office, count on the experts at Black Diamond. Our professional technicians ensure that your unit is properly and safely installed so you can guarantee it will have a long and healthy life.

Call Black Diamond at (866) 350-4793 or contact us online today to get started with our AC services throughout Crystal Lake!

Preseason Tune-Ups & Maintenance Agreements

Regular service helps keep home cooling and heating equipment operating at peak efficiency. A maintenance agreement can expose minor problems before they can affect system performance. Our factory-trained and NATE-certified technicians visit the customer’s home or business on a seasonal basis and perform a variety of important AC services that can help lower monthly utility costs, extend the system’s life, and improve indoor comfort.

Routine maintenance is so important that it is a provision of every major manufacturer’s warranty coverage. For an introduction to the numerous benefits of preventative maintenance, we recommend a preseason tune-up, which provides many of the same services as a maintenance agreement without the long-term commitment.

Crystal Club Maintenance Plans

Because we strongly believe that your HVAC unit should be inspected once per year, we have a whole membership program which brings discounts and special services to those who join. When you are a member of our Crystal Club, you can benefit from:

  • Pre-scheduled heating and cooling tune-ups
  • Discounts on repairs
  • Discounts on duct cleaning and sealing service
  • Waived holiday and after-hours fees
  • Priority scheduling
  • And more!

Ready to join the club? Call Black Diamond at (866) 350-4793 or contact us online now to learn more!

Looking to Schedule Air Conditioning Service?

Black Diamond Plumbing & Mechanical serves Crystal Lake, Barrington, McHenry, and the surrounding areas. We provide a full array of AC services including installation, replacement, repair, and maintenance. All of our technicians are trained, certified, and friendly to ensure you and your family have a positive experience.

To schedule an AC repair, installation, or tune-up, give the HVAC experts a call! Dial (866) 350-4793 or contact us online to speak to a member of our team.

We are proud to offer products from the following brands:

logo_2955-300x117amana_logo images


Please fill out the form and we will get in touch with you shortly.
Basic Program Benefits
  • 24-Hour-a-Day Availability
  • Flat-Rate Pricing Structure
  • Waived Holiday/After-Hours Fees
  • Priority Service Scheduling
  • Payment Options Tailored to Your Budget
  • Customized to Your Home and Your Specific Needs
  • Peace of Mind
The Black Diamond Advantage:
We Offer Financing