STM Services

Welcome to STM Services. We are a premier residential & commercial HVAC contractor providing comfort solutions to homeowners and businesses in Washington, DC and surrounding areas. With over 20 years of experience, we have remained committed to unmatched quality in our work and customer service on every job. The professionals at STM Services will keep your home comfortable even on the hottest days with reliable residential air conditioning repair and new equipment installation. We offer the latest cooling technologies from top brands in the business. Numerous services are available to suit your needs and budgets, such as AC repair, heating repair, furnace repair and installation for everything HVAC. We offer a flexible, fast appointment schedule with emergency service available 24/7. Give us a call today for a free quote, we look forward to assisting you.