Huff Hoffmaster brings over three decades of hands-on experience in residential and light commercial HVAC systems to his writing. As a respected HVAC consultant and trainer, he has dedicated his career to advancing industry best practices and technical education. During his 17 years in technical leadership, Huff led teams supporting Carrier (11 years) and York (6 years), where he helped solve complex installation and service challenges. His practical experience combined with his passion for proper system design makes him a trusted voice in heat pump technology and building science.