McCullough Heating & Air Conditioning is a family-owned business proudly serving Austin, TX, since 1977. Renowned for decades of dependable service, we specialize in air conditioning repair and replacement, furnace repair, indoor air quality, equipment installation, and energy-efficient home solutions. As Austin’s trusted HVAC experts, we are committed to delivering honest advice, upfront pricing, and guaranteed results. Our certified technicians prioritize your home comfort and peace of mind—backed by years of hands-on experience and a passion for helping our community. With a focus on sustainability, integrity, and client satisfaction, McCullough is more than just an HVAC company—we’re your lifelong partner in total home comfort.