
Phone Number: 410-747-0900
Address: 6537 Baltimore National Pike Catonsville, MD. 21228
"We Provide, You Decide,
MELROY Makes it Right!"
All of Melroy Technicians are Certified in Installation and Service for Tankless Water Heaters
Residential
For over 43 years Melroy Plumbing Heating and Cooling, Inc. has served residential and commercial customers in Anne Arundel, Baltimore, Carroll, and Howard counties, including Baltimore City.
Our philosophy is simple. We guarantee the services and products we sell at reasonable and competitive prices, which is why we have earned an excellent reputation and continued success over the years.
Commercial
Melroy’s Commercial Plumbing staff administers a variety of jobs. We carry professional liability insurance to protect our assets as well as yours. Call us today to have us design, coordinate and build your plumbing, gas fitting, HVAC sytems or process needs, from laying out the rough- in work, to installing fixtures.
Hearth Products
At Melroy Plumbing & Heating, we offer an assortment of product lines from some of the best hearth manufacturers on the market today. The information and links to our vendor web pages below will help you find the right appliance. Contact us with any questions, visit our showroom, or schedule an appointment for a free hearth estimate. We are certified and licensed to install any hearth product, gas appliance, natural and propane gas lines, and chimneys.
All of our trucks are stocked and prepared for taking on most service calls on a daily basis. The most common issues should be the most common solution and being prepared saves time which saves you money!

We are only one of a few certified A.O. Smith Warranty Representatives in the state of Maryland!
A.O. Smith Warranty Representative
"We guarantee our labor to be free from defects and code compliant"
Our Employees are trained to help meet your needs! They are uniformed, licensed, and undergo strict background checks and drug screening. We have continuous training programs and factory training on many brands.