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Thermostats Smart Thinking. Seamless Solutions.
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Thermostat Repair & Installation in Mount Prospect, IL

  • Family-Owned
  • Convenient to You
  • Guaranteed Solutions
  • Family-Owned
  • Convenient to You
  • Guaranteed Solutions

Regain Comfort Fast with Trusted Thermostat Repair & Installation in Chicago, IL

It’s frustrating when your home feels too warm, too cold, or just…off. Often, it’s not your heating or cooling system to blame—it’s your thermostat. At Intelligent Service, we specialize in thermostat repair and installation for homeowners in Chicago, IL, and we know exactly how important that tiny device on the wall really is.

From replacing outdated models to troubleshooting touchscreens that won’t respond, we bring years of hands-on experience and trusted service to every call. We’ll help you regain control over your comfort with solutions tailored to your home, your system, and your schedule.

Not sure if your thermostat is the issue? Let us take a look. We’ll walk you through it and fix what matters. Schedule today and take control back.

What Can We Fix for You Today?

A thermostat problem may seem small, but it can throw off your entire HVAC system. Whether your device won’t turn on, doesn’t match the room temperature, or just needs an upgrade, we can help.

Our thermostat repair and installation services in Chicago include:

  • Troubleshooting unresponsive or inaccurate thermostats
  • Replacing old or broken thermostats with new models
  • Installing smart thermostats for energy savings and remote control
  • Checking system compatibility and wiring safety
  • Offering training so you know how to use your new setup confidently
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Real Proof That Smart Service Works

    “Intelligent Service has my business for life.”
    Both John and Trevor are wonderful people, and great at what they do. I cannot give them anything less than a 5. I would give them both a ten if I could. Very professional service and very personable people. I know that my plumbing and my HVAC has been done right.
    - Pamela S.
    “We’ll definitely look to Intelligent Service again for any plumbing issues. Thank you so much!”

    Brian was very friendly and knowledgeable. He explained the problem, our options, and what his recommendations were. He worked very fast, too, and we ended up paying a little less than what was originally estimated. He also made sure everything was put back together and even cleaned up afterwards. We are very happy with his service and appreciate his professionalism. We’ll definitely look to Intelligent Service again for any plumbing issues. Thank you so much!
    - Alyssa J.
    “I will be using this company again.”
    James was very thorough at checking for issues. It turned out all we needed was silicon caulk that a previous contractor had omitted. So the cost was minimal and there was no up selling.
    - Steve S.
    “If we ever need home services again, we will book with Intelligent Services.”
    Friendly, knowledgeable service tech swapped out our old toilet with a new one, expertly and effortlessly. Anthony rocks! (Our dog thinks so, too!) If we ever need home services again, we will book with Intelligent Services. Top notch!!!
    - Angelique C.
    “I would fully recommend Intelligent to anyone with an old home that perhaps was not updated correctly in the past- and needs a creative thinker to solve your weird plumbing problems.”
    Edgar from Intelligent Service was the best plumber I've ever had. He was kind, courteous, and a great problem solver. As with most repair jobs, once you open that wall, a million unexpected things go wrong. Edgar solved every problem and did so in a way that kept the job from turning into a massive beast of torn out tile or cut-outs behind cabinets, blah blah blah. I would fully recommend Intelligent to anyone with an old home that perhaps was not updated correctly in the past- and needs a creative thinker to solve your weird plumbing problems.

    Also- the person who called me to schedule everything and check on times was very well spoken, kind, and competent- something I unfortunately have found lacking in many repair service companies of late. So kudos to the office side of this company as well!
    - Teegan N.
    “I’m very pleased with this company!”

    Once again a very pleasurable technician was here. He not only explained before what was needed to be done but after showing me what he did and why. I’m very pleased with this company! I appreciate knowing ahead of time who was coming and then followed up with a call telling me when he would arrive. Thank you!

    - Heather R.
    “Clearly this company has all of their ducks in a row, and can be trusted.”
    At 3:00 in the morning my sump pump inverter started kicking on continuously, and I called they had a 24-hour hotline available. I chose to wait until normal business hours to have somebody come out, and they came out within 2 hours of opening. My technician was knowledgeable, gave me great advice, found the problem instantly, and then replaced it within an hour.
    - T. Duncan
    “Highly Recommend”
    “Intelligent service went well beyond expectations.”
    - Ari B.
Flexible Payment Options Made Easy

We make it simple to get the comfort your home needs today, with payment plans that fit your budget and lifestyle.

Questions? Let’s Solve Them Together

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