Dependable plumbing & heating service has been our hallmark since 1937. Whether you're a homeowner or a business owner. Service can offer you the fast response, high-quality work and courteous service you want. Our years of knowledge and knowledgeable technicians have gained us an established reputation and 1000's of loyal clients.


Contact Details

  Website
  City Frederick, MD
  Zip Code 21701
  Address 217 Monroe Av
  Phone Number (301) 662-5387

From Our Website

No job is too small. The award-winning team is ready to fix your leaky faucets, repair your HVAC emergencies, manage your routine maintenance, and everything in between. From Frederick, MD to Leesburg, VA, commercial and residential customers trust Warner Service with their business and homes. Daikin is the World's No. 1 air conditioning company, and a leading innovator in advanced, high-quality heating solutions. With more than 90 years of operation, Daikin has sold millions of systems throughout 140 countries.


Our technicians bring a high level of experience, great problem-solving skills, and deep HVAC and plumbing know-how to your home or business. Our team receives continual technical and customer service training, so they remain current with the latest equipment, products, techniques, and client service best practices. Basically, they're a bunch of smart, good guys that are ready to help you out in a way that makes the most sense for the issue, your wallet, and the bottom line. Josh is our President.


For over 80 years, Warner Service has been providing outstanding, reliable heating, cooling and plumbing services to residential and commercial customers across the Frederick County and Hagerstown, Maryland areas, West Virginia and Southern Pennsylvania. From 1937 to today, the Warner brand has earned the privilege of being linked with words like dependability, integrity, quality and value. But these are more than just words to us. They are core values that every team member believes in wholeheartedly.


Interest will be charged to your account from the purchase date if the purchase balance is not paid in full within the promotional period. Give your home perfect air with a brand new Daikin HVAC home comfort system, professionally installed by Warner Service. This fall, Daikin is offering a wide range of HVAC replacement financing and rebate options when you upgrade your home comfort system. Daikin is the world leader when it comes to HVAC heating and cooling. Thanks to our constant innovation in comfort, energy efficiency, control, and reliability, we define the benchmarks for quality within the industry.


Family-owned and operated for three quarters of a century, Warner Service has helped homeowners across Frederick County and Hagerstown, Maryland; Southern Pennsylvania; Virginia; and West Virginia solve their HVAC and plumbing issues with skill and great pride. When you reach out to us, you'll always talk with a real person. And when it comes time for your service, repair, or installation visit, you'll find our HVAC and plumbing technicians are courteous and knowledgeable and our flat, no surprise rates fair and easy to understand.


Since 1937, the Warner name has been synonymous with value, quality, and integrity. Now into its third generation of family ownership, R. W. Warner remains committed to our core values and ensuring that the needs of our customers and clients are our first priority. We are exceptionally proud to share the story of our heritage with you. In 1937, Reese William Warner and a friend opened a small plumbing business called Warner and Winpigler, which they ran out of the Warner home. The company "headquarters" was his kitchen table, with his wife Mary Jo handling the books.


Like you, we understand that lost time is lost money. Extended downtime caused by heating, cooling, or plumbing issues - or long service wait times, no-shows, or botched installations or repairs - can be damaging to your bottom line. Warner Service has built its reputation on consistently providing timely, high-quality service and great value to commercial customers. When you speak to our customer service people directly, they will be responsive, knowledgeable, and in sync with our tech's schedules.