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Air Conditioning Services in Chicagoland

AC Repair, Maintenance, Installation & More in Crystal Lake & the Surrounding Areas

technician performing maintenance check on air conditioner

A central home cooling and heating system is critical 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 need air conditioner service for your Illinois home, call the experts at Black Diamond Plumbing & Mechanical. For over 20 years, our HVAC, plumbing, and electrical company has improved homes through our service and expertise.

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

We proudly provide the following air conditioning services:


When To Call for Emergency AC Repair

At Black Diamond, we realize not all AC repairs are emergencies, but sometimes you need your system fixed quickly. Some signs you need to call for emergency AC repair include:

  • Loud banging noises from your AC
  • Ice on the outdoor unit
  • No cooling from the system
  • Electrical or burning smells from the AC

Black Diamond has technicians standing by to offer emergency repair help, so let us know when you’re having one of these problems.

Call Black Diamond at (866) 350-4793 for emergency AC repair throughout the Chicagoland area.

Emergency 24/7 Air Conditioner Repair

Need 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 an emergency repair, call the experts at Black Diamond. Our technicians can provide emergency repairs any day of the year.

Air Conditioning Repair in Chicagoland

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 with chronic illnesses.

Time is a critical factor when a system breaks down. It’s important to hire an HVAC contractor who responds quickly and communicates regularly through the repair process.

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

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

Signs It’s Time To Replace Your AC System

Even the best AC unit has a limited life span. You can tell it’s time to replace your air conditioner when you start to notice these signs:

  • Your system is 10 years or older.
  • Your energy bills are getting higher.
  • A repair costs more than half the cost of a new system.
  • Your home is staying too humid.
  • You’re on a first-name basis with the AC repair pros at Black Diamond because of frequent repairs.

If you notice these signs, call Black Diamond at (866) 350-4793 for AC replacement help.

AC Installation & Replacement

Accumulated heat stress will degrade air conditioning performance over time. When repair costs start to rise, and indoor comfort is compromised, it may be time to consider an AC replacement.

Homeowners with systems that are over 10 years old may benefit considerably from purchasing a new, efficient air conditioning system. 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 need to install a new cooling unit in your Illinois home or office, count on the experts at Black Diamond. Our professional technicians ensure your unit is properly and safely installed so you can guarantee it will have a long and healthy service life.

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

Preseason AC 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 affect system performance.

Our factory-trained and NATE-certified technicians visit your 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 span, and improve indoor comfort.

Routine maintenance is so important that it’s a provision of every major manufacturer’s warranty coverage. For an introduction to the many 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 your HVAC unit should be inspected once per year, we have a whole membership program that brings discounts and special services to those who join. When you’re a member of our Crystal Club, you can benefit from:

  • Prescheduled 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 today to learn more!

Want To Schedule Air Conditioning Service?

Black Diamond Plumbing & Mechanical serves Crystal Lake, Barrington, McHenry, and the surrounding areas. We provide a full range of AC services, including installation, replacement, repair, and maintenance.

All our technicians are trained, certified, and friendly to ensure you and your family have a positive experience.

Call the HVAC experts at (866) 350-4793 or contact us online to schedule an AC repair, installation, or tune-up.

We’re proud to offer products from the following brands:

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Air Conditioning FAQs

Can AC be installed in any Chicago-area home?

Almost any home in the greater Chicagoland area can have air conditioning installed. Sometimes you’ll also need ductwork and design changes, but the Black Diamond team can help with everything.

What is the average life span of an AC unit?

On average, air conditioners last about 15 years with the right care. Investing in proper AC maintenance will help you extend its life span as long as possible.

What size air conditioner do I need?

Air conditioners need to be properly sized to cool your home appropriately. Proper sizing includes your home’s demand and the overall size of your home. An HVAC technician can help you determine the right size for your needs.

What is SEER?

Air conditioners are rated with a scale known as the Seasonal Energy Efficiency Rating (SEER). This number indicates how efficient the unit is. A higher SEER means a more efficient system.

How can I improve the efficiency of my AC?

To make your air conditioner run more efficiently, first open and uncover all air vents. Consider investing in a programmable thermostat, and don’t neglect maintenance checks.
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Basic Program Benefits
  • No dispatch fee EVER ($79 per call).
  • No afterhours or holiday fees EVER ($95 per call)
  • Annual precision tune-ups on heating and cooling equipment
  • 24/7 availability
  • Exclusive discounts on service and repairs
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