Knoxville's trusted team
Meet the Professionals at Advanced Heat AC & Plumbing
Randall Combs
Owner
Randall is the owner of Advanced Heat, A/C, & Plumbing, a family-owned business that has proudly served Knoxville and the surrounding areas for over 40 years. He served in the United States Air Force and, as a Gulf War veteran, began his career in the HVAC and plumbing industry in 1992, working alongside his father to build a trusted business focused on service, equipment replacement, maintenance programs, and home energy upgrades.
With a commitment to providing 100% customer satisfaction, Randall has built a solid reputation in the community through integrity and trust. His impressive list of certifications includes State of Tennessee Mechanical, Plumbing, and Gas licenses, EPA Certification, City of Knoxville Mechanical and Gas licenses, and several others, reflecting his dedication to excellence in the industry.
Randall's long-term goal is to continue growing his business while maintaining the high standards that have made it successful. Outside of work, he enjoys golf, video games, and spending quality time with his wife watching their favorite TV series.
With a commitment to providing 100% customer satisfaction, Randall has built a solid reputation in the community through integrity and trust. His impressive list of certifications includes State of Tennessee Mechanical, Plumbing, and Gas licenses, EPA Certification, City of Knoxville Mechanical and Gas licenses, and several others, reflecting his dedication to excellence in the industry.
Randall's long-term goal is to continue growing his business while maintaining the high standards that have made it successful. Outside of work, he enjoys golf, video games, and spending quality time with his wife watching their favorite TV series.
Randall Combs
Owner
Sydney
HVAC Technician
Sydney brings over a year of professional experience in accounts payable and receivable to her role at Advanced Heat AC & Plumbing. As the daughter of the company's owners, she has grown up immersed in the HVAC and plumbing industry, gaining a unique, long-term understanding of the business.
With strong skills in customer service, attention to detail, and financial management, Sydney ensures the smooth handling of all accounting processes while maintaining a high level of accuracy and efficiency. Her organizational skills and ability to manage multiple tasks make her a valuable asset to the team.
Outside of work, Sydney is passionate about nature, from hiking and camping to caring for her beloved plants. She enjoys concerts and cozy nights at home with her long-term boyfriend, Camron. Sydney is driven by a desire to serve her community and uphold the company's legacy of providing exceptional service to all customers. She is proud to carry on the tradition of her family's successful small business.
With strong skills in customer service, attention to detail, and financial management, Sydney ensures the smooth handling of all accounting processes while maintaining a high level of accuracy and efficiency. Her organizational skills and ability to manage multiple tasks make her a valuable asset to the team.
Outside of work, Sydney is passionate about nature, from hiking and camping to caring for her beloved plants. She enjoys concerts and cozy nights at home with her long-term boyfriend, Camron. Sydney is driven by a desire to serve her community and uphold the company's legacy of providing exceptional service to all customers. She is proud to carry on the tradition of her family's successful small business.
Sydney
Accounts Payable & Receivable
Tristan
HVAC Service Technician | Troubleshooting Expert
With 20 years of hands-on experience in the trades, Tristan is a seasoned service technician specializing in both residential and commercial HVAC systems. Over the course of his 15 years in the HVAC industry and 5 years in the electrical trade, he has developed strong troubleshooting skills that enable him to quickly and efficiently diagnose and resolve complex issues.
Tristan's depth of technical knowledge is complemented by his commitment to exceptional customer service, ensuring that every client receives clear communication, reliable solutions, and top-tier workmanship. He thrives on tackling challenges, continuously improving his skills, and staying ahead of industry trends.
In addition to his professional expertise, Tristan is passionate about personal growth and is focused on advancing his career in the trades. Outside of work, he enjoys riding dirt bikes and spending quality time with his family, striking a balance between his dedication to his craft and his personal life.
Tristan's depth of technical knowledge is complemented by his commitment to exceptional customer service, ensuring that every client receives clear communication, reliable solutions, and top-tier workmanship. He thrives on tackling challenges, continuously improving his skills, and staying ahead of industry trends.
In addition to his professional expertise, Tristan is passionate about personal growth and is focused on advancing his career in the trades. Outside of work, he enjoys riding dirt bikes and spending quality time with his family, striking a balance between his dedication to his craft and his personal life.
Tristan
HVAC Service Technician | Troubleshooting Expert
Greg
Lead Plumber
Greg is a true industry veteran who quite literally grew up in the plumbing trade. With plumbing in his roots and a lifetime spent mastering the craft, Greg brings an unmatched depth of knowledge to every job he touches. After serving 14 year in the military, Greg transitioned that same discipline, leadership, and problem-solving mindset into what has become a 40+ year plumbing career. from complex diagnostics to large-scale projects, his experience spans virtually every scenario a plumbing system can throw at you.
Today, Greg serves as a cornerstone of the Advanced Plumbing team. His calm leadership, technical expertise, and commitment to doing the job right ensure that every project—big or small—is handled with confidence and precision. When Greg is leading the job, customers and team members alike know they're in capable hands.
Today, Greg serves as a cornerstone of the Advanced Plumbing team. His calm leadership, technical expertise, and commitment to doing the job right ensure that every project—big or small—is handled with confidence and precision. When Greg is leading the job, customers and team members alike know they're in capable hands.
Greg
Lead Plumber
Jordan
HVAC Installer & Service Technician | Skilled Metal Fabricator
Jordan is a dedicated HVAC professional with five years of hands-on experience in the industry. He began his career as a ductwork installer, spending three years honing his skills, before moving on to full system installations in his fourth year. Now in his fifth year, Jordan excels in both installations and service, bringing a broad range of technical expertise to every job he tackles.
With strong skills in metal fabrication, mechanical systems, and refrigeration handling, Jordan has developed a versatile and well-rounded skill set. His commitment to continuous learning and growth is evident as he strives to expand his knowledge and refine his craft each day.
Jordan's ultimate goal is to be the best in the HVAC field, not only to advance in his career but also to provide an outstanding life for his family. He embraces the challenge of starting from the bottom and working his way up, motivated by the opportunity to grow both professionally and personally.
Outside of work, Jordan enjoys hiking, fishing, and spending time with his family, finding balance and fulfillment in both his professional and personal life.
With strong skills in metal fabrication, mechanical systems, and refrigeration handling, Jordan has developed a versatile and well-rounded skill set. His commitment to continuous learning and growth is evident as he strives to expand his knowledge and refine his craft each day.
Jordan's ultimate goal is to be the best in the HVAC field, not only to advance in his career but also to provide an outstanding life for his family. He embraces the challenge of starting from the bottom and working his way up, motivated by the opportunity to grow both professionally and personally.
Outside of work, Jordan enjoys hiking, fishing, and spending time with his family, finding balance and fulfillment in both his professional and personal life.
Jordan
HVAC Installer & Service Technician | Skilled Metal Fabricator
David
HVAC Service Technician | High & Low Voltage Expert
With over 25 years of experience in the HVAC industry, David is a highly skilled technician who has serviced both residential and commercial systems across a wide range of environments. His expertise spans high and low voltage systems, refrigerant circuits, performance diagnostics, and air movement optimization. David is known for his precise technical knowledge and ability to troubleshoot and resolve complex HVAC issues with efficiency and accuracy.
Throughout his career, David has developed a reputation for his dedication to providing exceptional service and delivering reliable, long-term solutions to clients. His goal is to continuously expand his skills and experience while improving his sales abilities to better serve his customers and contribute to the growth of his career.
Outside of work, David enjoys spending time in the great outdoors, pursuing his passions for hunting and deep-sea fishing.
Throughout his career, David has developed a reputation for his dedication to providing exceptional service and delivering reliable, long-term solutions to clients. His goal is to continuously expand his skills and experience while improving his sales abilities to better serve his customers and contribute to the growth of his career.
Outside of work, David enjoys spending time in the great outdoors, pursuing his passions for hunting and deep-sea fishing.
David
HVAC Service Technician | High & Low Voltage Expert
Jared
HVAC Technician | NATE & EPA Certified
With 15 years of experience in the HVAC industry, Jared has built a solid foundation of expertise and technical knowledge. He began his career at the age of 21 as an apprentice, and through hard work and dedication, has progressed to become a skilled technician. Jared holds both NATE and EPA certifications, underscoring his commitment to industry standards and ongoing professional development.
Jared's career journey has equipped him with a broad range of HVAC skills, and his future goals include expanding his experience further while developing leadership abilities to eventually manage his own team. Long-term, Jared aspires to own and operate his own HVAC company, combining his technical proficiency with a passion for building a successful business.
In his personal life, Jared values family and faith. He enjoys attending church, spending quality time with his kids and grandson, and cheering on his favorite football team.
Jared's career journey has equipped him with a broad range of HVAC skills, and his future goals include expanding his experience further while developing leadership abilities to eventually manage his own team. Long-term, Jared aspires to own and operate his own HVAC company, combining his technical proficiency with a passion for building a successful business.
In his personal life, Jared values family and faith. He enjoys attending church, spending quality time with his kids and grandson, and cheering on his favorite football team.
Jared
HVAC Technician | NATE & EPA Certified
Caleb
Plumber
Caleb joined the Advanced Plumbing team in 2025 and has quickly proven to be an outstanding addition to our company. With over 8 years of plumbing experience and a strong military background, Caleb brings discipline, reliability, and technical expertise to every job.
Known for his hard work, knowledge, and friendly attitude, Caleb is always willing to take on any task required to get the job done right. From troubleshooting complex plumbing issues to digging and installing complete septic systems, he has the skills and experience needed to handle even the most demanding projects.
Caleb's dedication and versatility make him a trusted member of our plumbing department and one of the best professionals in the field.
Known for his hard work, knowledge, and friendly attitude, Caleb is always willing to take on any task required to get the job done right. From troubleshooting complex plumbing issues to digging and installing complete septic systems, he has the skills and experience needed to handle even the most demanding projects.
Caleb's dedication and versatility make him a trusted member of our plumbing department and one of the best professionals in the field.
Caleb
Plumber
