Robert Bost Associates, a Ketchum & Walton Co., provides value to our clients through engineered solutions and product application in the areas of air filtration, architectural and interior noise control, HVAC and vibration solutions. We represent only top market leaders that are focused on continuous and never-ending improvement in research, development, and technology. We are committed to providing products and services that will positively impact your bottom line through cost savings and efficiencies, as well as improve the environment through cleaner air, lower energy consumption, and reduced noise.