RJH Air Conditioning and Refrigeration Service, L.L.C.
Beltsville, MD 20705
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Our Story
When your equipment malfunctions, you need it repaired quickly by experienced technicians. RJH AC and Refrigeration Service has been in business since 1998 and every technician has at least 8 years of field experience.
Whether it’s a reach-in refrigerator, food service equipment or low temperature equipment, we’ll dispatch a technician with a fully equipped truck to get your operation running again. RJH is a GSA contractor, so we can service and repair equipment located on government facilities. We offer complete maintenance contracts that save you money by keeping your equipment serviced and maintained to avoid a catastrophic failure.
At RJH, we answer the phones 24/7. Emergency service is answered by an experienced service manager who can analyze your problem and dispatch help.
Regions & Counties Serviced
Maryland 1
- Prince Georges
New Jersey All
Our CSI Codes
01 51 23 - Temporary Heating, Cooling, and Ventilating
01 57 19 - Temporary Environmental Controls
11 22 00.00.01 - Refrigerated Display Equipment
11 47 00.00.01 - Ice Machines
13 01 20 - Operation and Maintenance of Special Purpose Rooms
13 27 16 - Modular Fire Vaults
13 27 53.13 - Modular Concrete Security Vaults
13 27 53.16 - Modular Metal-Clad Laminated Security Vaults
23 01 30 - Operation and Maintenance of HVAC Air Distribution
23 01 60 - Operation and Maintenance of Central Cooling Equipment
23 01 70 - Operation and Maintenance of Central HVAC Equipment
23 06 30 - Schedules for HVAC Air Distribution
23 06 30.16 - Air Terminal Unit Schedule
23 06 30.19 - Air Outlet and Inlet Schedule
23 06 60 - Schedules for Central Cooling Equipment
23 06 60.13 - Refrigerant Condenser Schedule
23 06 60.16 - Packaged Water Chiller Schedule
23 06 70 - Schedules for Central HVAC Equipment
23 06 70.13 - Indoor, Central-Station Air-Handling Unit Schedule
23 06 70.16 - Packaged Outdoor HVAC Equipment Schedule
23 06 80 - Schedules for Decentralized HVAC Equipment
23 06 80.13 - Decentralized Unitary HVAC Equipment Schedule
23 23 16 - Refrigerant Piping Specialties
23 23 19 - Refrigerant Safety Relief Valve Discharge Piping
23 23 23 - Refrigerants
23 24 13 - Internal-Combustion Engine Remote-Radiator Coolant Piping
23 30 00.00.01 - HVAC Air Distribution
23 60 00.00.01 - Central Cooling Equipment
23 61 23 - Rotary-Screw Refrigerant Compressors
23 62 13 - Packaged Air-Cooled Refrigerant Compressor and Condenser Units
23 62 23 - Packaged Water-Cooled Refrigerant Compressor and Condenser Units
23 63 13 - Air-Cooled Refrigerant Condensers
23 63 23 - Water-Cooled Refrigerant Condensers
23 63 33 - Evaporative Refrigerant Condensers
23 64 13 - Absorption Water Chillers
23 64 13.13 - Direct-Fired Absorption Water Chillers
23 64 13.16 - Indirect-Fired Absorption Water Chillers
23 64 16 - Centrifugal Water Chillers
23 64 19 - Reciprocating Water Chillers
23 64 23 - Scroll Water Chillers
23 65 33 - Liquid Coolers
23 71 13 - Thermal Heat Storage
23 71 13.13 - Room Storage Heaters for Thermal Storage
23 71 13.23 - Pressurized-Water Thermal Storage Tanks
23 71 16 - Chilled-Water Thermal Storage
23 71 19 - Ice Storage
23 71 19.13 - Internal Ice-on-Coil Thermal Storage
23 71 19.16 - External Ice-on-Coil Thermal Storage
23 71 19.19 - Encapsulated-Ice Thermal Storage
23 71 19.23 - Ice-Harvesting Thermal Storage
23 71 19.26 - Ice-Slurry Thermal Storage
26 33 16 - Battery Racks
27 11 16 - Communications Cabinets, Racks, Frames and Enclosures
28 35 13 - Refrigerant Detection and Alarm Control, GUI, and Logic Systems
28 35 23 - Refrigerant Detection and Alarm Integrated Audio Evacuation Systems
28 35 33 - Refrigerant Detection Sensors
40 95 46 - Process Control Mounting Racks and Supports
42 22 13 - Centrifugal Process Chillers and Coolers
42 22 16 - Reciprocating Process Chillers and Coolers
42 22 19 - Refrigerant Process Chillers and Coolers
42 22 23 - Rotary Process Chillers and Coolers
42 22 26 - Thermoelectric Process Chillers and Coolers
