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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

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.


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.

Product Recall

Manufacturer Recall Number 23-231 June 22, 2023 about 36,200.

Research Products toll-free at 888-742-2401 from 8 a.m. to 5 p.m. ET Monday through Friday or online at or at 

The recalled steam humidifiers containing a specific type of electrode wire with a “D” shaped connector can loosen causing arcing and/or overheating, posing a fire hazard to consumers.

This recall involves Research Products Steam Humidifiers with “D” shaped electrode connector wires sold under the AprilAire, Coleman, Luxaire, Bryant, Carrier and York brand names. The steam humidifiers are generally installed alongside HVAC equipment but are separate units. The model number can be found on a silver label placed in the bottom left corner on the outside left side panel of the Steam Humidifier. The following model numbers are included in this recall:




800, 801, 865, 866






S1-STEAM 8000T01


S1-STEAM 8000T01


S1-STEAM 8000T01

Consumers should immediately stop using and shut off the recalled humidifiers and contact Research Products to receive a free electrode wire repair kit and assistance with identifying a qualified contractor to schedule an appointment for a free replacement of their electrode connector wires.

The firm has received 103 reports of the recalled humidifiers overheating, including 10 incidents resulting in smoke or residential fires, totaling more than $10 million in damage.

HVAC contractors nationwide and online at,,, and other websites from June 2010 through January 2015 installed for between $2,000 and $3,500.

Manufacturer RECALL: # 23-218  Name of Product:

Armstrong Air and Air Ease single stage gas furnaces


A component inside the furnace was improperly assembled, causing the furnace to produce high levels of carbon monoxide (CO) under certain operating conditions, which poses a risk of CO poisoning to the consumer.

Remedy:                  Repair

Recall Date:            June 08, 2023

Units:                        About 9,255

Consumer Contact

Allied Air Enterprises at 800-448-5872 from 8 a.m. to 5 p.m. ET Monday through Friday or online at  or and click on

 “PRODUCT RECALL” for more information.

Recall Details

Description: This recall involves 96% efficiency gas furnaces under the ARMSTRONG and AIREASE brand names with the model numbers A96UH1E045B12S, A96UH1E070B12S, and/or A96UH1E110C20S. The furnaces weigh between 129 and 170 pounds and were sold between September 2022 and March 2023. The brand name is printed on the outside of the furnace, and the model number is located on the label found by opening the furnace door.


Contact Allied Air Enterprises to schedule a free in-home repair by an authorized technician who will replace the incorrect component. Allied Air Enterprises is contacting all known distributors directly, who will work with dealers to contact all known consumers who purchased the recalled units. Consumers who continue to use the recalled furnaces while awaiting repair should have working carbon monoxide alarms on every level of the home and outside sleeping areas.

Incidents/Injuries:           None reported

Sold At: ARMSTRONG and AIREASE authorized HVAC dealers nationwide from September 2022 through March 2023 for between $1,800 and $3,400.

Manufacturer(s): Allied Air Enterprises LLC, of West Columbia, South Carolina

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.


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