
Heating Services in Lake Forest, IL
When the cold sets in, you deserve a heating system you can count on — and a local expert who knows how to keep it running strong. At Intelligent Service, we specialize in heating solutions designed to bring comfort and peace of mind to families across Lake Forest, IL. Whether your furnace is acting up, your heat pump isn’t performing like it should, or your boiler needs attention, our licensed technicians are right near you, ready to deliver fast, dependable repairs. We’re committed to showing up on time, explaining every step clearly, and fixing the problem right the first time, so you’re never left in the cold.
But staying warm isn’t just about quick fixes — it’s about long-term care and smart upgrades, too. That’s why we offer full-service heating maintenance to keep your system running efficiently all season long, and expert installations and replacements when it’s time for a fresh start. From routine furnace tune-ups to seamless boiler installations, Intelligent Service brings decades of local experience and family values to every job. If you live in Lake Forest and need honest, skilled heating service you can trust, we’re here to help — just a call or click away.


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Join the Genius Club Today and SaveComfort, savings, and peace of mind - guaranteed.
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Get Lasting Comfort Now, Pay LaterFlexible financing makes it easy to upgrade your home without the stress.
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Keep Your Home Running SmoothlyFrom tips to trusted service, we’re here to make comfort simple.
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Your Home Deserves Expert CareTrust our skilled, local team to keep your home comfortable and efficient.

What Your Neighbors Are Saying
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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.
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Anthony C. was the technician who came to service my refrigerator and he was amazing. Very professional, polite and knowledgeable about the service I needed. I had a new refrigerator installed a few days ago and needed assistance with the waterline. Anthony explained exactly what needed to be done an- Dorothy M.
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Have used them in past and this time was just as good as the rest...excellent service! Trevor was our tech and was super friendly, efficient, and capable! Thanks Trevor!!- Lisa M.
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“Intelligent service went well beyond expectations.”- Ari B.
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- Rich J.
They informed us what they could do and what options were an available going forward to avoid further issues. They provided us with a reasonable rate after observing the type of problem and if we were okay with the plumber going ahead and fixing issue. He took his time and was pretty thorough.

Smart Thinking, Reliable Service
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We blend today’s best tools and technology with the timeless values of reliability, respect, and genuine neighborly care.
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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.
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Our licensed professionals bring both expertise and pride to every repair, installation, and tune-up, ensuring work that stands the test of time.
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From first call to final handshake, we focus on making your experience simple, stress-free, and tailored to your home’s needs.