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Commissioners approve sole‑source HVAC replacement for DOC medical rooftop using contingency funds
Summary
Facilities staff requested a sole‑source replacement of a rooftop condenser and evaporator serving the Department of Corrections medical unit; commissioners approved a $27,923 quote from HVAC Unlimited to be paid from contingency.
Chris Peterson and facilities staff requested authorization to sole‑source the condenser and evaporator unit serving the Department of Corrections medical rooftop, citing limited parts availability for the older R410 refrigeration system. Staff said HVAC Unlimited of Hooksett had one unit allocated and provided a quote of $27,923 to perform the work; by contrast, replacing the unit using the newer refrigerant and full replacement with Alliance Mechanical was quoted at roughly $109,261.
Chris described the decision as pragmatic given part allocations: "HVAC Unlimited... has 1 unit left in their allocation, and they can go ahead and do the work and provided us a quote for $27,923." He said R410 components for the existing unit are scarce and that the county has achieved long service life from the current equipment. Facilities recommended proceeding with the available R410 replacement now to realize substantial cost savings over a full R454B replacement, noting an expected remaining service life of about 18–20 years if maintained.
Finance staff said the county would fund the replacement from the contingency fund, which has approximately $50,000 available, and commissioners approved the sole‑source procurement by voice vote.
Staff noted that a full retrofit to the newer refrigerant would be considerably more expensive and is likely to be done for future replacements rather than this urgent repair.
