Systems Testing & Analysis, 11730 Old Ballas Rd, Saint Louis, MO 63141, US

SpecialtiesFast & Dependable Service J. Knowles Service / Ferguson is proud to install and service quality Ruud products and service you can depend on. We pride ourselves in exceptional customer service. Call J. Knowles Service / Ferguson to schedule a service appointment or for a free, no-obligation consultation to determine the perfect system for your home or business. We look forward to hearing from you and adding you to our long list of satisfied customers. J. Knowles Service / Ferguson has been servicing the Ferguson, MO area with quality Ruud products and service you can depend on. J. Knowles Service / Ferguson is proud to sell and install quality Ruud air conditioning and heating products and also services all major brands of equipment. We can help you determine the perfect system for your home or business regardless of size.