Board Of Aldermen

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BA Table 2-A: MUNICIPAL BUILDINGS - Energy Use and Relative Efficiency

Bowron UU 5N le Seareseaet ll Pesce wastes Ct

HVAC Mechanical Room

HVAC Mechanical Room

HVAC Mechanical Room

HVAC Mechanical Room

HVAC Replacement Project

All equipment controlling the Pistol Range is original to the
1977 building, in poor condition and beyond it’s useful life.

Range officers have recently been blood tested and showed
high lead levels due to the systems inefficiencies

The Fleet Maintenance Garage System is also all original to
the 1977 building. It is in poor condition and beyond it’s
useful life

The Variable Air Volume System is original to the 1999
addition

HVAC Replacement Project

In February of 2019, the Engineering Firm SMRT was hired to
perform a complete assessment of the Nashua Police
Department’s HVAC System. Some of the highlights of their
assessment follow

The HVAC systems for the Police Station were designed in two
stages with the original part of the building designed in 1977
and a subsequent Addition Project in 1999

The 1977 design is based on water source heat pumps and
the 1999 design is based on Variable Air Volume System

New vs Old Window Comparison

Bright orange/yellow thermal image Pink/blue thermal image shows very
shows significant heat loss in original little heat loss in newer window in new
window portion of building

Professional Standards

Detective Bureau

Several windows no longer have a rubber gasket surrounding
the window allowing cold air, bugs, and moisture to enter the
building. This is also a large source of heat/energy loss
throughout the building