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  5. ›Proposal for Replacement of Existing HVAC System -Iyanbito…

Navajo Nation·Arizona

Proposal for Replacement of Existing HVAC System -Iyanbito Chapter Hosue

Closes 1/30/2026$150k – $250kRequest for Proposal
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Description

The Navajo Nation, using Fiscal Recovery Funds, seeks a qualified contractor to replace the two existing rooftop packaged HVAC units at the Iyanbito Chapter House. The work includes on‑site assessment, removal and disposal of the old units, installation of two new 5‑ton rooftop units with associated roof curbs, electrical and gas connections, ductwork inspection and repair, thermostat programming, and a separate preventative‑maintenance proposal. Attendance at a mandatory pre‑bid site visit is required, and proposals must be submitted by the deadline. • Remove and properly dispose of existing HVAC equipment, including refrigerants. • Supply and install two new rooftop packaged HVAC units, roof curbs, disconnects, gas lines, and complete ductwork sealing. • Provide detailed documentation, warranties, and a separate preventative‑maintenance cost proposal.

Attached files

Contact

Dawnell Begay(Planner/Estimator)

dawnell.begay@navajo‑nsn.gov

Key dates

Opened
1/6/2026
Pre-bid meeting
1/14/2026Mandatory
Site visit
1/14/2026Mandatory
Closes
1/30/2026

Last updated

Details

Type
Request for Proposal
Industry
Construction
NAICS
238220
Solicitation №
RFP No. 25‑12‑3955SB

Budget estimate

$150,000 – $250,000

The RFP does not disclose a budget, but replacing two rooftop packaged units (including crane work, removal, disposal, new equipment, ductwork repairs, and labor) typically ranges from $150,000 to $250,000 for a 4,500‑sq‑ft facility. The estimate accounts for equipment cost ($80‑$120k), crane and heavy‑lift fees ($20‑$30k), labor and permitting ($30‑$50k), and contingency.

AI estimate from the solicitation

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