R.W. Warner, Inc., founded in 1937, is a family-owned business based in Frederick, Maryland. As a third-generation company, it offers trusted service across residential, commercial, industrial, and government sectors.
R.W. Warner provides expert HVAC and plumbing services through its division Warner Mechanical. Services include repairs, installations, maintenance for heating, cooling, drains, water heaters, sewer systems, leaks, repiping, fixtures, gas lines, and water treatment.
Warner Mechanical serves homeowners, businesses, schools, and government agencies in the Frederick region. It handles complex mechanical systems for leading national contractors.
Founded by Richard Warner Sr., the company has grown over decades, expanding into four divisions: Warner Construction, Warner Mechanical, Kaempf and Harris Sheet Metal, and Williams Electric.
Contact and location
- Address
- 217 Monroe Avenue, Frederick, MD 21701
- Phone
- (301) 662-5387
- Website
- rwwarner.com
Services listed
Claim the listing to correct details, add services and keep your description current.
The description is a summary of what the company states on its own website. ThePlumberMap does not verify licenses or insurance, so confirm both with the company and your state licensing board before hiring.