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Deerfield HVAC Company

When it comes to owning a home, it’s important to keep every part of it in top shape. Luckily, you don’t have to do it alone. At Intelligent Service, we care about your home just as much as you do. That’s why we approach every project with our five core principles in mind: safety first, superior service, positive workplace, exceptional integrity, and think twice, act once.

As a full-service Deerfield HVAC company, we’re dedicated to keeping your home in top shape through every season. Our team has been helping homeowners since 1979, and we’re committed to When you choose our Deerfield HVAC team, you can enjoy unparalleled service including:


  • Repairs and Replacements
  • HVAC Maintenance
  • Emergency Services
  • Indoor Air Quality

Your Local Certified HVAC Experts in Deerfield, IL

A new HVAC system is a big investment, which is why it’s important to have the best HVAC repair professionals on your side. From HVAC repair to complete furnace replacements, we’ve got you covered. 


As your local certified HVAC experts, we’ll be by your side from your initial consultation through the final installation to ensure you get the most out of your project. We use only the highest quality products backed by industry-leading warranties.


Keep Your Home in Top Shape with Regular HVAC Maintenance

Part of keeping your HVAC system in top shape is performing regular maintenance on it. Service offers comprehensive HVAC maintenance plans that allow us pinpoint small issues before they turn into bigger headaches down the road.


Keeping your HVAC system in peak condition can help you save money over time in a few different ways. For starters, your system will run more efficiently, which will help keep your energy bills low. Regular maintenance can also extend the life of the system as a whole, so you don’t have to dish out a bunch of money on a new one.


Emergency Services to Keep You Safe Through Every Season

Your HVAC system won’t always stop working during normal business hours. That’s why our emergency furnace repair team is on call 24/7. If your system shuts down in the middle of the night, our crew will be there to help, so you don’t have to spend any time in the cold. At Intelligent Service, we’re the professionals you can trust.


Improve Your Indoor Air Quality

In addition to our comprehensive HVAC services, our team offers professional indoor air quality solutions to keep your interior safe and healthy. Our high-quality air purification units have a germicidal rate of up to 99%, are hardly noticeable in your home, and require little maintenance. On top of our air purification services, we also offer duct cleaning and humidifier installations.

Schedule a Free Consultation with Our Deerfield HVAC Team

No matter the project, our contractors in Deerfield will be by your side from start to finish to ensure you get the highest quality service that lasts. Our goal is to keep your home safe and comfortable no matter what the Illinois weather throws at it. Give us a call to learn more about our comprehensive services or fill out our online form to schedule a free consultation today.

Why Choose Intelligent Service?

Chicago Plumbing Professionals with Integrity

We care about your home just as much as you do, and we approach every HVAC or plumbing project with our five core principles in mind.

Safety First for All

Safety First for All

To maintain a safe environment for our family and yours, our technicians are drug-tested, manufacturer- and OSHA-trained, and EPA-licensed.

Superior Service

Superior Service

Our superior service guarantee drives us to always confirm appointments, arrive on time, keep homes clean, and work efficiently.

Positive Workplace

Positive Workplace

Instead of hiring subcontractors, we invest in creating a collaborative, fulfilling work environment so that we can retain top talent.

Exceptional Integrity

Exceptional Integrity

Our employees are not commission-based; they’re paid a fair wage and full benefits so they can act with integrity instead of high-pressure sales tactics.

Think Twice, Act Once

Think Twice, Act Once

We carefully weigh all Chicago HVAC solutions before choosing the right one. Once installed, we back our work with a forever guarantee.