M&M stands ready to meet your heating and cooling needs. We specialize in commercial, industrial, and institutional environments for buildings throughout the Baltimore/Washington and Northern Virginia area. Through the use of qualified steamfitters and service technicians, M&M provides the following services.
Boiler:
- Repairs
- Installations and Retrofits
- Rentals
Burner:
- Conversions & Modifications
- Installations
- Control System Repairs
Underground Utility Work:
- Replacement & Repair of High Temperature, High Pressure Steam & Water lines
- Condensate & Utility pipe systems
Chiller:
- Overhaul and upgrades
- Maintenance and Repair Services
- Retubes
- Rentals
Cooling Towers:
- Installation and Retrofit
- Maintenance and Repair Services
- Chiller Plant Control
Related Services:
- National Board "R" Stamp
- ME Certified Welding: H, S, PP, & U Stamps
- Underground Fuel tank services: testing, removal & installation
- Refractory repair and installation
- Unfired pressure vessel repair
- Mechanical pipe installation
- Feedwater blowdown systems: construction and repair
- Breeching repairs & installation
- Excavating Department with DC licensed operators








