Brookstone Builders Completes NH State Renovation Project

Construction firm upgrades HVAC and electrical systems at state facility in Concord.

Apr. 5, 2026 at 7:23pm

Brookstone Builders, Inc., a Manchester-based construction management and general contracting firm, has announced the completion of a renovation project for the State of New Hampshire's Department of Health & Human Services and Department of Environmental Services facility in Concord. The scope of work included replacing 19 air-handling units, converting 4 units from steam to hot water heating, removing and replacing roof-mounted condensing units, and integrating electrical and fire alarm systems.

Why it matters

As a long-standing partner with the State of New Hampshire, Brookstone Builders has demonstrated its expertise in managing complex renovation projects that require heightened safety protocols, noise mitigation, and careful scheduling to minimize disruptions at occupied state facilities.

The details

The renovation project at 29 Hazen Drive in Concord involved the removal and replacement of 19 air-handling units throughout the facility. Four of the units were also converted from steam to hot water heating by providing a new heat exchanger, trim, and pumping system. Four roof-mounted condensing units were removed, and the existing chilled-water system was extended to serve in their place. Electrical work and integration into the existing fire alarm system was also part of the project.

  • The renovation project was completed in April 2026.

The players

Brookstone Builders, Inc.

A construction management and general contracting firm headquartered in Manchester, New Hampshire, that provides commercial, industrial, and design/build solutions throughout northern New England.

State of New Hampshire Department of Health & Human Services

The state agency that oversees public health and social services programs.

State of New Hampshire Department of Environmental Services

The state agency that manages environmental protection and natural resource conservation efforts.

Stephen Nichols

The project manager for Brookstone Builders on this renovation project.

SAM Mechanical

The mechanical subcontractor for the project, based in Hooksett, New Hampshire.

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What they’re saying

“We appreciate our long-standing relationship with the State of New Hampshire.”

— Karen Scales, President, Brookstone Builders

The takeaway

Brookstone Builders' successful completion of this renovation project for the State of New Hampshire demonstrates the company's expertise in managing complex HVAC, electrical, and fire safety upgrades at occupied government facilities, while maintaining a strong partnership with state agencies.