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Armory of the Mounted Commands, MEP Renovation

Providence, Rhode Island

Services: MEP Engineering - HVAC, Electrical, Plumbing
Client Served: Government

The AMC Building (Armory of the Mounted Commands), located in Providence, Rhode Island, was constructed in 1913 and is listed on the State of Rhode Island Historical Register. The building is approximately 116,000 sq. ft. in size, of which 70,000 sq. ft. is heated. The main building and several small areas within the rink area are heated by two energy inefficient steam boilers with outdated combustion controls. Limited air conditioning was provided through window units. The dining area was heated by a standard 80% efficient warm air furnace and the kitchen was served by a standard efficient gas fired unit heater. The domestic water was supplied by two 80 gallon gas fired hot water tanks rated at 80% efficiency.

The design for the renovation included changing the steam heating system over to a more efficient hot water heating system. The old inefficient steam boilers were replaced with new energy efficient modular condensing boilers. The domestic water heaters were replaced with gas fired instantaneous modular water heaters. The control system was replaced with a new DDC building energy management system. HVAC upgrades to the restroom/shower areas as well as several previously unheated storage areas were included in the project. A new air cooled chiller and piping system was installed to add air conditioning to the entire building. A new dedicated outdoor air unit (DOAS) with heat recovery was installed to provide the code required outdoor air to the building.

A new electrical service was designed to meet the increased electrical demand. A new power distribution system was installed to serve the new distributed HVAC equipment.


  • Steam to Hot Water Heating System Conversion
  • Full Central Air Conditioning
  • Dedicated Outdoor Air System with Heat Recovery
  • Energy Efficient Boilers Instantaneous Domestic Hot Water Heaters
  • Electrical Service Upgrade