15610 Marlboro Pike
Upper Marlboro, MD 20772
Located off Route 301
Showroom Hours
Mon-Sat  8am-4pm
Sun  closed

Call today! 301-627-4411

Hearth Products


Fireplace Designs at R&D Cross of Upper Marlboro is a full-service dealer for sales, installation and service of gas, wood, pellet, electrical, and outdoor fireplaces and fire pits. Also available are log sets and other fireplace accessories. Click on the links below for more information.

Financing is available through Synchrony (formerly GE Capital).

Wood Pellets

We also sell Hamer Hot Ones hardwood pellets, American Wood Fiber premium white pine wood pellets, O’Malleys Hardwood Pellets and Statesman Hamer Hardwood Pellets.

 pineHamersPelletso malleysstatesman


Fireplace Designs at R & D Cross can professionally install and service all brands that we sell and most other brands.
Click here to learn more…