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Professional Heating and Cooling Installation & Service

As a family owned and operated HVAC company since 1948, The Heat Engineering Co. has the expertise to serve all of your heating and cooling needs.  

We provide 24 hour emergency HVAC service. 

Hear What Our Satisfied Customers Have to Say

The Heat Engineering Co.
The Heat Engineering Co.
Google star 1Google star 2Google star 3Google star 4Google star 5
700 Google reviews
Posted on Google Google
M “In His hands” B profile picture
M “In His hands” B
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Thanks for taking care of things.
Posted on Google Google
Raymond Baldi profile picture
Raymond Baldi
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this is a ood company they resond toyour needs quickly and solve your needs, Ray
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Leslie Buch profile picture
Leslie Buch
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Very fast and professional service
Posted on Google Google
Brett Pritchard profile picture
Brett Pritchard
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Jimmy came over promptly and diagnosed and fixed the problem. Another great job!
Posted on Google Google
Christopher O'Connor profile picture
Christopher O'Connor
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
great service, prompt and professional
Posted on Google Google
James Brezinsky profile picture
James Brezinsky
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Steve came by to diagnose the cause of a water leak on short notice. He identified the issue, resolved it and provided a means of preventative maintenance so I could avoid a recurrence.
Posted on Google Google
Margaret Dowling profile picture
Margaret Dowling
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Friendly and swift service; found the a/c problem quickly and repaired everything…. So so happy
Posted on Google Google
Philip Willig profile picture
Philip Willig
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
They scheduled me asap, called when they were on the way, all service was done professionally and neatly. The technician, Jim V, took the time to go over the system, after I explained what was happening. He diagnosed the problem and everything is working as it should. Highly recommend... Thanks again.
Posted on Google Google
Tom McGovern profile picture
Tom McGovern
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Fast, dependable and fairly priced AC repair
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Comprehensive HVAC Solutions for Homes and Businesses in Countryside, IL and surrounding areas

As a family owned business since 1948, The Heat Engineering Co. has been providing top-quality residential and commercial HVAC services to the Countryside, IL and surrounding areas for decades. Our team of experienced professionals are dedicated to ensuring your comfort year-round, offering a full range of heating and air conditioning solutions tailored to your specific needs.

The Heat Engineering Co. is proud to be a Carrier authorized dealing, seeking out the most cutting-edge HVAC technology. That, combined with our team’s extensive expertise, we ensure our customers are provided with the best possible solutions for their homes and businesses. Whether you need a new system installation, routine maintenance, or emergency repairs, our team of professionals have the tools, knowledge, skills and experience to get the job done right. 

Expert Installation and Replacement Services

When it comes to installing a new HVAC system or replacing a preexisting one, The Heat Engineering Co.  is your go-to provider in Countryside, IL and all surrounding areas such as Hinsdale, Burr Ridge, Western Springs, and more. Our team carefully analyzes your home or commercial property, taking into account factors such as square footage, insulation, and energy efficiency goals, to recommend the ideal system for your needs and budget, tailored specifically for you.

Our installation process is thorough, but efficient. Our skilled team of highly trained professionals are on the cutting edge of the latest best practices and procedures. We never finish a job until we are absolutely certain that your new system is properly installed and optimized for peak performance, and we won’t officially end a project until that standard is met. With The Heat Engineering Co., you can trust that your HVAC installation will be completed on time, within budget, and to the highest industry standards.

HVAC business consultation. HVAC business. Air conditioner installation.

24/7 Emergency Repair Services

HVAC emergencies can happen at any time, which is why The Heat Engineering Co offers 24/7 emergency repair services to our customers. Our team of experienced technicians are always on call, ready to diagnose and resolve any issue with your heating or cooling system.

We understand that when your heating or cooling isn’t working properly, it can be a inconvenient in a variety of ways, especially during seasons where the weather is more extreme. That’s why at The Heat Engineering Co., we put a lot of effort into being timely and prompt with our response times, and as efficient as we can be with repairs to make sure we get your HVAC system back up and running as quickly as possible. Whenever you need us most, help is just one call away.

Call The Heat Engineering Co. for High Quality Heating & Cooling Services

At The Heat Engineering Co., we don’t just provide HVAC services—we build relationships based on trust, reliability, and unmatched expertise. Whether you need a quick repair, a full system installation, or ongoing maintenance, our team is ready to deliver solutions with professionalism and care. With decades of experience and a genuine commitment to customer satisfaction, we’re here to keep your home or business comfortable year-round. Your comfort is our priority!

Carrier authorized dealer. The Heat Engineering Co., Carrier HVAC service and installations. A/C repair, A/C installs, heating repair and installation.

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