They are always prompt, neat, efficient, nice, and explain everything.
Jeanne Kueter
J"Their tech was excellent"
He explained the problem and the repair.
John
E"Never Been Disappointed"
We have been using Intelligent Service for many years.
Ellen Sharpe
J"The team responded quickly"
The team responded to my needs quickly.
Jeremy Cummings
B"Technician Was On Time"
Technician was on time and very professional.
Barbara Bloomquist
P"Being a Member Makes Life Easier"
Being a member just makes life easier.
Peggy Hardwick
Always Prompt, Neat, and Efficient
I've been with Intelligent for my HVAC and plumbing needs since 2013. They are always prompt, neat, efficient, nice, and explain everything. What more could you want from a service company?
Jeanne Kueter
Their tech was excellent
Their tech was excellent. He explained the problem and the repair. The price of the repair was excellent. I will recommend them and use them if needed in the future.
John
Never Been Disappointed
We have been using Intelligent Service for many years and have never been disappointed!!
Ellen Sharpe
The team responded quickly
The team responded to my needs quickly. The representative Chris was professional and did a great job.
Jeremy Cummings
Technician Was On Time
Technician was on time, very professional, and answered all my questions.
Barbara Bloomquist
Being a Member Makes Life Easier
Being a member just makes life easier. Everyone is great.
Serving Chicago, Arlington Heights, Palatine, Schaumburg, Skokie, Hoffman Estates, Des Plaines, Glenview, Buffalo Grove, Northbrook, Park Ridge, Wheeling, Elk Grove Village, Niles, Morton Grove, Rolling Meadows and beyond
HVAC Palatine
As a proven HVAC company, Intelligent Service delivers exceptional services designed to maintain optimal temperature control and air quality in your space. Our dedicated team offers expert diagnostics, maintenance, and repair services, ensuring your HVAC system operates at its best, regardless of the season. At Intelligent Service, we focus on reliability, from scheduled tune-ups to emergency repairs, using state-of-the-art technology to enhance your system’s performance and durability. Trust our HVAC company to provide solutions that not only meet your immediate needs but also contribute to reducing your energy bills.
Experience unparalleled service with Intelligent Service. Call our HVAC company at (847) 393-0853 for year-round comfort.
At Intelligent Service, we make plumbing simple and stress-free for homes and businesses. Our user-friendly website lets you request service or a free estimate in just a few clicks. Every project reflects our commitment to quality, which you can see in our online gallery.
Why Choose Us:
Easy online service and free estimate requests
Transparent gallery of completed plumbing projects
Responsive team for fast answers to online inquiries
Serving both residential and commercial clients
Expert solutions for repairs and new installations
We believe in doing what’s right—not what’s easy. From transparent pricing to honest recommendations, we put integrity at the center of every service call.
Residential And Commercial Solutions
We handle HVAC repairs, installs, and maintenance for homes and businesses.
Trusted HVAC Experts Since 1979
Depend on decades of experience for quality heating and cooling solutions.
Old-School Service
We blend today’s best tools and technology with the timeless values of reliability, respect, and genuine neighborly care.
Current Intelligent Service Promotions
FREE
Second Opinion on HVAC Repair or Replacement
Offer covers arrival of technician and diagnostic of HVAC system. Additional diagnostics and costs may apply if extensive investigation is necessary. Must be in the immediate service area.
Cannot be combined with any other offers or discounts. Coupons must be presented at time of payment. Not valid for trip charge or diagnostic fee. Valid on standard pricing only. Redeemable for on-time use per home.
Valid
May 1, 2026
- May 31, 2026
Download
FREE Second Opinion on HVAC Repair or Replacement