HVAC & Duct Cleaning Services

The County of Shasta is seeking qualified HVAC contractors to provide comprehensive air‑duct cleaning services for multiple county facilities. Work is performed on an “as‑is” basis, must comply with NADCA standards, and includes labor, equipment, materials, travel, and overhead. Each individual public‑works project cannot exceed $75,000, and the contractor must hold a valid California C‑20 contractor’s license, carry required insurance and bonds, and employ at least one NADCA‑certified air‑system cleaning specialist. The contract term is three years, with the possibility of multiple project orders issued via purchase orders. Submissions are due electronically by September 30, 2026. • Scope: Full HVAC duct cleaning, coil cleaning, fan/blower cleaning, sealant application, and post‑cleaning documentation. • Requirements: NADCA certification, C‑20 license, prevailing‑wage labor, $2 M/$4 M liability limits, performance bonds for jobs ≥$25 k, and compliance with OSHA/NIOSH safety standards. • Evaluation: Price (30 %), experience (25 %), staffing (20 %), warranty (15 %), licenses/registration (10 %). • Contract: Three‑year term, electronic payment (ACH/Direct Deposit optional), no single project > $75 k.