We provide complete AC installation services in Mokena, covering both residential and commercial needs. We always follow code, use correct installation methods, and only recommend what’s actually needed. Here's a breakdown of our most common air conditioner installation services:

• Central Air Conditioning Installation: We professionally install central AC systems. Our team makes sure the unit is correctly matched to the layout of the home to avoid uneven cooling or overuse of the system. Each system is installed following manufacturer instructions and building code requirements.

   

• AC Unit Replacements: If your current system is aging, needs constant repairs, or no longer cools efficiently, we remove the old equipment and install a new, energy-efficient unit. Replacement service includes full electrical connections, line-set flushing or replacement, and refrigerant pressure testing.

   

• Ductless Mini-Split Installations: For homes without central ductwork or for rooms that need targeted cooling, like additions, basements, or workshops, we can install ductless mini-splits. These systems offer zone control and flexible placement. We ensure safe and quiet operation as part of the professional installation.

   

• Licensed Installation and Final Inspection: All residential installations are completed by certified technicians. We follow a strict checklist that includes airflow testing, refrigerant charge verification, safety controls, and electrical inspections. We don’t leave until everything is running properly.

• Rooftop Unit (RTU) Installation: We install packaged commercial rooftop systems for retail spaces, office buildings, and light industrial applications. These units provide reliable cooling with easy access for maintenance. Our team ensures correct unit placement and full electrical and control integration.

   

• Packaged Air Unit Installation: Packaged air units offer a simple, all-in-one HVAC solution for commercial spaces. Our team handles the entire installation process, making sure everything runs smoothly and minimizing any disruption to your business.

   

• Split System AC Installation: Split system AC units provide flexible, energy-efficient cooling for offices, schools, and healthcare facilities. We install these systems with care and attention to detail, helping you maintain a comfortable environment without the extra hassle.

   

• Multi-Zone Cooling Installation: Multi-zone split systems are ideal for buildings like dental offices, professional suites, and schools that need different areas cooled separately. This setup keeps each space at a consistent temperature without putting extra strain on the system, providing energy efficiency and lower utility bills.

   

• AC Installation and Service Plans for Businesses: We offer continued support for our commercial clients. Our AC installation and service plans are designed to keep equipment running longer with fewer unexpected repairs. We include seasonal inspections and routine maintenance.

   

• Trained Commercial AC Installation Contractors: All commercial installations are completed by licensed AC installation contractors with years of industry experience. We understand what’s needed for zoning, airflow, and ventilation in commercial spaces, for all system options.

Step-by-Step Installation from Start to Finish

We follow a clear and organized process for every new AC installation in Mokena. Our goal is always to get the job done right, with no loose ends and no delays. Here is what you can expect...

Free Estimate

We start with a consultation where our team reviews your cooling needs, talks through your options, and explains the installation process in detail. This is the time to look at ways to lower energy bills, improve airflow, upgrade ductwork if needed, and boost indoor air quality for your home or business.

Pricing and Financing Review

Making your new AC system affordable is a top priority. We offer a range of financing options and guide you through the available plans. Once we finalize your project cost, we’ll help you find a payment plan that works for your budget.

On-Site Inspection and Detailed Estimate

One of our experienced technicians will visit your property to evaluate the space and recommend the right system for optimal performance and energy savings. If your furnace is around the same age as your air conditioning unit, replacing the HVAC system could help you save in the long run. We'll provide you with a detailed estimate.

Finding the Perfect AC System

Choosing the right cooling system is key to long-term comfort and efficiency. Our team matches you with the best options based on your space, whether it’s a central air unit, ductless mini-split, or a rooftop system for commercial properties. Every recommendation is tailored to fit your unique needs.

Expert Installation with 5-Star Service

As a professional AC unit installation company, our certified installers take care of everything from removing your old HVAC system to installing new ductwork, wiring, and refrigerant lines if needed. Every detail is handled carefully and according to manufacturer standards for peak performance.

Final Testing and Warranty Coverage

Once your new AC system is installed, we perform a full test to ensure everything is working perfectly. We also handle the warranty registration for you. Most systems come with a 10-year extended equipment warranty and a 1-year labor warranty for extra peace of mind.

 Call us at (815) 806-1055 for fast and reliable AC services. 

Experience That Goes Back to 1971

Climate Control Systems has been installing air conditioning systems in Mokena and surrounding areas since 1971. That experience gives us a clear understanding of the types of systems that hold up well over time, and what it takes to install them properly. As your trusted HVAC business, There's no project we haven't seen before!

Proper Installation from Start to Finish

Each member of our team is trained to install air conditioning systems according to current codes, manufacturer guidelines, and job site conditions. As a licensed air conditioner installation company, we make sure every install starts with accurate measurements and ends with a properly running system.

One Process for Every Property Type

Whether it’s a single-story home or a commercial space with rooftop units, the process we follow is the same: one step at a time, completed fully and without rushing. We handle everything in-house and take responsibility for the full job from beginning to end, ensuring your air conditioning replacement is completed promptly to keep your home comfortable.

Clear Estimates, No Pressure

We don’t recommend replacements unless they’re actually needed. If your system can be repaired or adjusted, we’ll explain that option. If replacement is the better path forward, we’ll explain what’s involved and why. There’s no pressure, we just help you decide what’s best for your property.

Support That Doesn’t End at Installation

Our team doesn’t disappear after install day. If you have questions about how your system is running or need follow-up service down the road, as your service provider, we’re available. That long-term approach has helped us stay in business for over five decades, and it’s how we continue to work with customers across Mokena.