At Climate Control Systems, we provide full-service AC installation and service for both homes and commercial buildings in Bolingbrook. Whether you're upgrading an older unit, adding air conditioning to a new space, or installing a system in a business facility, our team brings the knowledge, experience and equipment to handle the job efficiently.

We don’t just drop in a new unit and leave. We take the time to assess the layout of your property, check for airflow issues, and ensure your new equipment is the right fit for the space. Our work follows all manufacturer requirements and local code standards, which helps your system run more efficiently and last longer.

• Central AC System Installation
  We handle central air conditioning installations with precision and care. Our technicians ensure each system is appropriately sized and optimized for your home’s layout, preventing hot spots and energy waste. Every installation is completed according to manufacturer specifications and local building codes.

• AC System Replacement Services
  When your air conditioner is outdated, frequently breaking down, or no longer cooling effectively, we’ll replace it with an updated, energy-efficient model. The replacement includes proper disposal of the old unit, new electrical connections, refrigerant pressure checks, and flushing or replacing the line set for optimal performance.

• Ductless Mini-Split Installations
  Ideal for spaces without ductwork, such as home additions, garages, or finished basements, ductless mini-splits provide targeted climate control. Our team installs these systems with a focus on proper placement, quiet operation, and reliable zone-based temperature control.

• Certified Installations with Comprehensive Final Checks
  All installations are carried out by licensed professionals who follow a detailed quality assurance process. This includes verifying refrigerant levels, testing airflow and safety systems, and inspecting electrical connections to ensure safe and efficient operation before sign-off.

• Rooftop HVAC Unit Installation (RTUs)
  We install commercial rooftop units for offices, retail locations, and light industrial properties. These compact, self-contained systems offer dependable cooling and easy rooftop access for ongoing service. Our team ensures optimal placement and fully integrates the unit with electrical and control systems.
• All-in-One Packaged Unit Installation
  Packaged HVAC units are an efficient, space-saving choice for commercial environments. We manage the full installation process from start to finish, ensuring quick turnaround and minimal disruption to your operations.
• Split System Air Conditioning Installation
  Split systems are a popular option for providing efficient cooling in spaces like schools, offices, and clinics. Our experienced installers take a meticulous approach, ensuring your system delivers consistent comfort while operating efficiently.
• Zoned AC System Installations
   Multi-zone cooling systems are perfect for facilities that require individual temperature control, such as dental practices, classrooms, or office suites. We install systems that maintain even cooling throughout the building, reduce energy use, and help lower your overall utility costs.
• Commercial AC Maintenance and Installation Programs
  We support your HVAC system long-term. Our commercial service plans include scheduled tune-ups and seasonal inspections to extend equipment life and reduce the likelihood of surprise breakdowns.
• Certified Commercial HVAC Technicians
  Every commercial project is completed by certified HVAC professionals with extensive knowledge of ventilation, zoning requirements, and airflow dynamics. No matter the system type, we deliver installations tailored to the unique demands of your commercial space.

A Clear, Start-to-Finish AC Installation Process in Mokena

Our team follows a structured, step-by-step approach to ensure each air conditioning installation is done right the first time, no missed details, no unexpected delays. Here’s what you can expect when working with us:

Free Estimate

We begin with a no-obligation consultation to assess your cooling needs. During this visit, we’ll go over potential solutions, discuss how to enhance airflow, suggest duct upgrades if needed, and explore ways to improve energy efficiency and indoor air quality for your home or commercial space.

Transparent Pricing & Financing Options

Affordability matters, and we’re here to help. We walk you through flexible financing choices and ensure you fully understand your investment. After determining the best solution for your space, we’ll provide a clear project cost and help you choose a financing plan that fits your budget.

On-Site Inspection and Detailed Estimate

A skilled technician will conduct a thorough site visit to determine system size, placement, and layout needs. If your furnace is aging along with the AC unit, we may recommend a full HVAC replacement for better long-term efficiency. You'll receive a detailed quote tailored to your space and comfort goals.

Selecting the Right AC Unit

Choosing the correct system is essential for comfort and cost savings. Whether it’s a central air system, ductless mini-split, or a packaged rooftop unit for commercial use, we’ll recommend the ideal option based on your building’s size, design, and cooling requirements.

Professional Installation with Full-Service Care

Our licensed installers manage every part of the installation process, including safely removing old equipment, upgrading ductwork, running new wiring, and handling refrigerant lines as needed. We follow all manufacturer specifications and industry best practices to ensure long-term reliability.

Final Testing and Warranty Support

After installation, we conduct comprehensive testing to confirm the system is operating at peak efficiency. We’ll also handle your warranty registration, with most units offering a 10-year equipment warranty and a 1-year labor warranty, giving you peace of mind from day one.

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

Over 50 Years of Trusted Local Service

Climate Control Systems has been helping homeowners and businesses in the South Chicagoland area since 1971. That kind of experience matters when choosing an AC installation contractor. We’ve seen what works, what lasts, and how to get the job done without unnecessary delays or costs.

Certified Technicians with Proven Experience

Every member of our crew is trained, licensed, and up to date on manufacturer standards and local codes. As a professional air conditioner installation company, we make sure each installation is handled with precision whether it's a single-family home or a commercial space with rooftop units.

Clean, Professional Work on Every Job

From the moment we arrive, our goal is to complete the installation without disrupting your routine. We use floor covers when needed, follow all safety protocols, and leave your space cleaner than we found it. We stay focused on the work and we don’t take shortcuts.

Honest Recommendations Based on What You Need

We explain what needs to be done, give you options, and let you decide. If your system still has life left in it, we’ll tell you. If a higher-efficiency model makes sense, we’ll explain why. That straightforward approach is one reason why many consider us one of the best AC installation companies in the area.

Ongoing Support After Installation

Once the system is in place, we don’t disappear. We’re here to answer questions, help with maintenance, and provide any follow-up service needed. Long-term reliability starts with a good install and continues with a team that stands behind their work.