About the Team

Company Background

Established in July 2022, Callahan Heating and Cooling is a reputable HVAC company dedicated to providing top-quality heating and cooling services to residential and commercial customers in Springfield. We take pride in our commitment to customer satisfaction and our expertise in the HVAC industry.

At Callahan Heating and Cooling, we are certified by the Better Business Bureau and the Air Conditioning Contractors of America, showcasing our dedication to upholding high standards of professionalism and service quality. Additionally, we are fully licensed and bonded, giving our customers peace of mind when they choose us for their HVAC needs.

Our team of experienced technicians is trained to handle a wide range of heating and cooling services, including installations, repairs, maintenance, and more. We use the latest technology and industry best practices to ensure that our customers receive efficient and reliable solutions for their HVAC systems.

Customer satisfaction is our top priority, and we strive to exceed expectations with every service call. When you choose Callahan Heating and Cooling, you can trust that you are working with a trusted and reliable HVAC partner that is committed to keeping your home or business comfortable year-round.

Your Service Technicians

Brett Callahan

Owner

Brett Callahan is a seasoned professional with a lifelong passion for HVAC. From a young age, Brett has been immersed in the world of heating, ventilation, and air conditioning, making him a true expert in the industry. With a genuine love for customer service, Brett is dedicated to taking care of his clients and ensuring their complete satisfaction. Beyond his professional endeavors, Brett enjoys spending time in the great outdoors, particularly fishing and hunting. He cherishes moments with his family, which includes his wife Crystal and their three boys, Wyatt, Waylon, and Willie. As the proud owner of Callahan Heating and Cooling, Brett is committed to bringing top-tier HVAC services to the Springfield area. His goal is to provide unparalleled service and support to the community, ensuring that homes and businesses are always comfortable and well-cared for.

Vanessa Waisner

Office Manager

Vanessa is a dedicated professional with over ten years of invaluable experience working in office administration roles within the HVAC industry. Her extensive tenure in the field has equipped her with a deep understanding of the industry’s dynamics and requirements. Throughout her career, Vanessa has demonstrated a strong commitment to excellence and a keen eye for detail in managing various administrative tasks. Her expertise encompasses coordinating schedules, managing customer inquiries, overseeing billing processes, and ensuring seamless communication between clients and technicians. Vanessa’s proficiency in providing exceptional administrative support has helped streamline operations and enhance customer satisfaction for HVAC companies she has worked with. Her proactive approach, coupled with her strong organizational skills, has consistently contributed to the smooth functioning of office operations.

JT Stewart

Service Manager

JT Stewart has excelled in the HVAC field over the last 10 years. He holds two jobs, one with Callahan Heating and Cooling and the other with the Department of Energy. JT is a recognized leader in the industry and a valuable asset to our company. In his free time, he is a passionate family man and enjoys music. Interestingly, JT can also play the cowbell, and his favorite artist is Taylor Swift.

Colin White

Colin White is a seasoned professional with a lifelong passion for HVAC. From a young age, Colin has been immersed in the world of heating, ventilation, and air conditioning, making him a true expert in the industry. With a genuine love for customer service, Colin is dedicated to taking care of his clients and ensuring their complete satisfaction. Beyond his professional endeavors, Colin enjoys spending time in the great outdoors, particularly fishing and hunting. He cherishes moments with his family, which includes his wife Rendie and their daughter Jackson As the proud Comfort Advisor of Callahan Heating and Cooling, Colin is committed to bringing top-tier HVAC services to the Springfield area. His goal is to provide unparalleled service and support to the community, ensuring that homes and businesses are always comfortable and well-cared for.

Ryan Stone

bio coming soon

Isaac Robison

Isaac Robinson, a Nixa native, has been in the HVAC trade for 2.5 years. Known for his high IQ and exceptional problem-solving skills, Isaac has a passion for tackling complicated or pesky calls that other technicians and companies can’t figure out. In his free time, he enjoys crappie fishing and hunting for white-tailed deer, just like any true Missourian.

Matt Upton

Matt Upton is a proud veteran of the United States Marines. After his service, he discovered a passion for HVAC and has been dedicated to the field for the past five years. In his free time, Matt enjoys hanging out with his dog, Kara. He is an enthusiast of all water sports, but he particularly excels in underwater basket weaving.