Welcome to Benchmark Heating & Air Conditioning, your trusted, family-owned and operated heating and air conditioning company, serving the greater St. Louis area. With over two decades of experience, our technicians are not just skilled professionals but are part of a legacy dedicated to keeping your home or business comfortable through every season. We pride ourselves on our deep understanding of local climate challenges and our commitment to delivering personalized, reliable service that feels like family. Whether it's a scorching summer day or a freezing winter night, Benchmark is here to ensure your indoor environment remains perfect. Let our family take care of yours.