Heating & Air Conditioning Expert with 70 years of experience

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Expert HVAC Services that protect residents throughout the Alton IL Riverbend Area

Third Generation Family Owned Business

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I pride myself on being a one-stop-shop that is able to meet all of my client’s needs. My goal is to provide the highest quality design and installation services, on schedule, and on budget along with outstanding customer service. I understand that time and cost are crucial and I strive to go above and beyond my client’s expectations.

For my customers peace of mind, I offer valuable money saving service and maintenance contracts. Please call for additional details.

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Our company provides a full spectrum of work of any level of complexity. Our team consists of highly qualified professionals, who have been in the industry for no less than 6 years. We have gained extensive experience while solving the most complex technical and organizational tasks, which allows us to provide you with the best service.

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24 Hour Emergency Service

We can provide expert 24-hour Emergency Service available to you 365 days a year for your all you’re Heating, Cooling, and Hot Water needs. We are here when you need us to service both your residential and commercial properties!

Repair Service Hours

24 Hours - 7 Days Week

Office Hours

Monday- Friday: 8:00am-5:00pm

Saturday: Closed

Sunday: Closed

70 Years Experience

We have over 70 years of experience in the heating, ventilation, and air conditioning industry (HVAC). We believe in quality workmanship and customer service.

Our History

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Company History

Opened in 1949, B & W Heating and Cooling is a family-owned and operated business that is engrained in the local communities it serves. Originally started in Wood River, IL, our determined, hard-working company culture has allowed us to expand and become a leading provider of HVAC repair and service for communities throughout the area. In addition to providing excellent service, owner Mark Eberhart and his family stay active in the community through church and school events. Furthermore, backing up the Eberharts is a team of qualified and trusted employees that keep B & W going strong after 60 years!

Our Mission

At B & W Heating and Cooling, we strive for the same dedication to our customers and commitment to quality that has kept us in business for all these years. Some companies charge extra fees or push you into purchases that aren’t necessary – we don’t. At B & W, you’ll always receive honest service from a qualified professional that’s truly dedicated to solving your problems in a timely manner.

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    Meet Our Team

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    Mark Eberhart


    For over 30 years, Mark has been a part of the excellent service provided by B & W. As a second-generation business owner; he takes pride in running a family company that’s focused on the needs of local customers. As a NATE-certified technician, Mark offers true expert service, and he attends continuing education to stay current on the top tools, techniques, and technologies in his trade.

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    Elaine Eberhart


    Elaine Eberhart keeps track of the finances and has been an integral part of the B & W team for over 20 years. Her duties regularly expand to include caring for our valued customers and helping the rest of our awesome staff around the office. After business hours, Elaine enjoys sitting poolside, gardening and quality time spent with her family.

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    Gordon Guntren


    Gordon also possesses a wealth of experience in the heating and cooling industry. With over 25 years in the field, he’s been helping fulfill our promise of excellent service for over 12 years. When he’s not solving your heating and cooling problems, he pursues interests such as guns, coins, hunting and enjoying the outdoors.

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    Shawn Nolte


    Shawn is an expert HVAC technician that’s been working in the industry for over 15 years and is an invaluable member of the staff here at B & W. From a small problem to a big catastrophe, Shawn has the knowledge needed to get the job done. Outside of work, Shawn enjoying family time and the great outdoors.

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    Joel Eberhart


    A student at Southern Illinois University Edwardsville, Joel is pursuing his degree in mechanical engineering.  While he’s only worked as a tech for five years, Joel has been around the business from a young age, giving him a great command of HVAC systems and repairs. When he’s not helping our customers, he enjoys being with his family and just about anything outdoors!


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    Opportunities at B&W Heating & Cooling

    At B&W Heating & Cooling, we are respected for our marvelous team of professionals. We have job openings in the St. Louis Metro East Area and are seeking talented people committed to a rewarding career.

    If you are a service specialist or someone looking to make a career switch, start your career heating and cooling with B&W today!

    B&W Heating and Cooling are always seeking to hire talented people to be a part of our certified HVAC team. Our HVAC jobs include, but not limited to: HVAC Service Technician, HVAC Installer, HVAC Sales, HVAC Service Manager, and HVAC Project Manager & Mechanical Engineering. If you have any experience with any of the above-mentioned roles, please send us a detailed resume.

    B&W Heating & Cooling Is An Equal Opportunity Employer

    It is the policy of B&W Heating & Cooling to provide equal employment opportunity to all applicants and employees in a harassment-free work environment without regard to race, color, national origin, gender, age, disability, sexual orientation, or veteran status.