Warner Service

Warner Service is a third-generation, family-owned plumbing, heating, and air conditioning company proudly serving Frederick, MD and surrounding communities since 1937. With more than 85 years of trusted service, we’ve built a reputation for delivering reliable, responsive, and high-quality solutions for both residential and commercial customers. From 24/7 emergency repairs to expert installations and preventative maintenance, our team is committed to providing comfort, integrity, and peace of mind with every visit — because at Warner Service, Our Service is Your Comfort. What We Offer: • Plumbing Installation, Repair & Maintenance • Heating & Air Conditioning Installation, Repair & Maintenance • Residential & Commercial Solutions • 24/7 Emergency Service We’re known for our attention to detail, long-standing customer relationships, and a team of skilled professionals who put service first — every time. Based in Frederick, MD | Serving Frederick County and nearby communities