Commercial HVAC services in Buffalo Grove and surrounding areas
From rooftop units to ductless systems, Next Generation Heating and Cooling delivers expert commercial HVAC installation, repair, and maintenance across Buffalo Grove and nearby communities. Available 24/7 to keep your business running smoothly.



Google Rating
5.0
.webp)
Why businesses in Buffalo Grove trust our commercial HVAC experts
Delivering top-rated commercial HVAC services for your business
15+ years of commercial expertise
With decades of experience, our team knows how to handle complex HVAC systems for offices, warehouses, restaurants, and retail spaces.
Licensed and insured technicians
Your business is protected and serviced by highly trained professionals who get the job done right.
Transparent pricing
No surprises. Our diagnostic fee is $149 and waived with repairs, and we provide clear estimates before any work begins.
Guaranteed work
Every job is backed by a 6-month labor warranty and 1-year parts warranty for peace of mind.
All major brands serviced
From Trane and Carrier to Lennox, York, Rheem, and more, we repair and install all leading HVAC equipment.
Local service you can trust
Based in Buffalo Grove, we proudly serve nearby businesses across Lake and Cook County with fast response times and reliable solutions.
Our commercial HVAC services in Buffalo Grove
From new system installations to emergency repairs, Next Generation Heating and Cooling delivers reliable, cost-effective HVAC solutions designed for commercial properties of every size.
Commercial HVAC Repair and Maintenance

Commercial HVAC repair
When your HVAC system fails, it can disrupt operations and affect comfort. We repair all major brands and models, diagnosing problems quickly and providing lasting solutions.
Emergency HVAC repair
HVAC issues don’t wait for regular hours—and neither do we. Our team is available 24/7 for emergency commercial HVAC repair to minimize downtime and prevent costly disruptions.
Preventive maintenance plans
Regular maintenance extends system life and prevents costly breakdowns. We offer tailored maintenance contracts that include inspections, cleanings, and tune-ups to keep your HVAC system in top condition.
Rooftop unit repair
If your rooftop unit is underperforming or making unusual noises, our technicians can quickly diagnose and repair the issue, restoring proper airflow and performance.
Filter replacement services
Clogged filters reduce efficiency and indoor air quality. We provide scheduled filter replacements to keep your HVAC system clean, efficient, and healthy for building occupants.
Freon recharge & leak detection
Low refrigerant levels can cause poor cooling and damage your system. Our technicians provide accurate leak detection and professional Freon recharge services to restore proper cooling power.
Commercial HVAC Installation Services

Commercial HVAC system installation
We provide full system design and installation services to meet the demands of office buildings, restaurants, warehouses, and other commercial spaces. Our team ensures every system is properly sized, energy-efficient, and built to deliver long-term comfort.
Rooftop unit installation
Rooftop HVAC units free up indoor space while offering consistent performance. We install high-quality rooftop systems that improve airflow, simplify maintenance, and keep your building running smoothly.
Packaged unit installation
Packaged HVAC systems combine heating and cooling in one compact unit—perfect for businesses that want efficiency without sacrificing performance. We install packaged units tailored to your building’s layout and energy needs.
Ductless system installation
Not all commercial spaces are equipped for traditional ductwork. We install ductless mini-split systems that allow for zone-specific climate control and reduced energy waste.
New ductwork installation
Proper ductwork is critical to an efficient HVAC system. Our experts design and install new ducts to optimize airflow, improve comfort, and reduce energy bills.
Ventilation system installation
Healthy indoor air is vital for employees and customers. We install commercial ventilation systems that remove pollutants, balance humidity, and improve overall indoor air quality.
.webp)
Your trusted commercial HVAC contractors in Buffalo Grove
At Next Generation Heating and Cooling, we know that keeping your business comfortable isn’t just about temperature—it’s about productivity, safety, and customer satisfaction. With over 15 years of hands-on experience, our team specializes in commercial HVAC installation, repair, and maintenance for offices, retail stores, warehouses, restaurants, and more.
We combine technical expertise with responsive service to minimize downtime and maximize efficiency. Whether you need a brand-new rooftop unit, emergency repair at 2 AM, or a preventive maintenance plan to extend the life of your system, our licensed and insured technicians have you covered.
Our reputation is built on reliable work, transparent pricing, and guaranteed results. That’s why businesses across Buffalo Grove and the surrounding areas trust us to keep their heating and cooling systems running smoothly.
Hear from businesses we’ve helped
Real feedback from business owners who rely on our commercial HVAC expertise.
Most common commercial HVAC repairs and challenges we solve
Running a business means you can’t afford unexpected HVAC breakdowns. At Next Generation Heating and Cooling, we’ve seen it all—and we know how to fix it fast. Here are some of the most common issues we solve for commercial properties:
No matter the problem, our technicians respond quickly with expert diagnostics and guaranteed repairs, helping your business avoid downtime and costly disruptions.
Uneven heating or cooling
Hot and cold spots throughout the building often signal ductwork leaks, airflow problems, or system imbalances.
Frequent system breakdowns
Aging or poorly maintained systems can fail repeatedly, leading to costly downtime. We identify root causes and provide lasting repairs.
Strange noises or vibrations
Banging, rattling, or humming often point to motor, fan, or compressor problems that require immediate attention.
Poor indoor air quality
Dust, odors, and humidity imbalances can affect employees and customers. We solve ventilation and filtration issues to improve comfort.
Refrigerant leaks / low cooling output
If your AC isn’t cooling properly, it may need refrigerant recharge or leak detection.
High energy bills
Inefficient systems drive up monthly costs. Our experts restore efficiency through repair, tune-ups, or recommending modern replacements.
Rooftop unit malfunctions
As the backbone of many commercial buildings, rooftop units face wear and tear. We repair everything from electrical faults to airflow issues.
Service areas we proudly serve
Next Generation Heating and Cooling is based in Buffalo Grove and provides commercial HVAC installation, repair, and maintenance services to businesses throughout Lake and Cook County. Our fast response times and local expertise make us the trusted choice for companies across the region.
Buffalo Grove
Riverwoods
Highwood
Kenilworth
Wheeling
Northbrook
Lake Bluff
Highwood
Long Grove
Bannockburn
Glencoe
Wilmette
Highland Par
Lake Forest
Winnetka
Deerfield
If your business is located nearby but not listed, give us a call. We often serve additional surrounding areas.
Brands we repair and install
Our technicians are experienced with all major commercial HVAC manufacturers, ensuring fast, reliable service no matter what system your business uses. We carry common replacement parts and have the expertise to handle both older units and the latest high-efficiency models.
We service and install all leading brands, including:
Ready to schedule your commercial HVAC service?
Call Us
Get immediate assistance by calling our team directly.
Book Online
Prefer to schedule online? Use our secure booking system to request service in just a few clicks.
Frequently asked questions about our HVAC services
How much does a commercial HVAC service call cost?
Our diagnostic fee is $149 during regular business hours (Mon–Fri, 7am–6pm), and it’s waived if you proceed with the repair. For after-hours or emergency service, the fee is $249 and not waivable.
How often should commercial HVAC systems be maintained?
Most commercial systems should be inspected and serviced twice a year—once before the cooling season and once before the heating season. Preventive maintenance helps reduce downtime, lower energy costs, and extend equipment life.
Do you provide 24/7 emergency HVAC service for businesses?
Yes, we’re available 24/7 for emergency commercial HVAC repairs. Our technicians respond quickly to minimize disruption and keep your business operating smoothly.
What are signs my commercial HVAC system needs repair?
Common signs include uneven temperatures, loud noises, frequent cycling, higher energy bills, poor airflow, or unusual odors. If you notice any of these, it’s best to schedule a professional inspection.
Can you service rooftop HVAC units?
Absolutely. We specialize in rooftop unit installation, repair, and maintenance, a common choice for commercial buildings in Buffalo Grove and the surrounding areas.
What HVAC brands do you repair and install?
We work with all major brands including Trane, Carrier, Lennox, York, Bryant, Rheem, and American Standard. Our team is trained to handle both older systems and the latest high-efficiency equipment.
What is the typical lifespan of a commercial HVAC system?
With proper maintenance, most commercial HVAC systems last 15–20 years. Rooftop units may be closer to 15 years, while ductless and high-efficiency systems can last longer with routine care.
Do you offer commercial HVAC maintenance contracts?
Yes. We provide custom preventive maintenance plans designed around your building’s needs. Regular tune-ups help lower repair costs, reduce breakdowns, and keep your system energy-efficient.
How do I reduce energy costs with my commercial HVAC system?
Regular maintenance, upgrading to energy-efficient units, and installing programmable thermostats are the best ways to reduce utility bills. We can also recommend system upgrades that lower long-term operating costs.
What causes unusual odors from a commercial HVAC system?
Strange smells may indicate mold in the ductwork, dirty filters, overheating electrical components, or refrigerant leaks. We identify the source and resolve it quickly to restore safe, clean air.