Holt Plumbing & Heating, Inc. is a customer focused heating and air-conditioning company that was originally started in 1947. We employ highly trained people whose goal is to make our company the best service company in Des Moines & Surrounding Areas. Our company specializes in designing  and installing complete comfort systems for owners of existing homes and buildings just like yours. Our entire company works hard to make your experience with us hassle-free and enjoyable.