Temporary Heating, Ventilating and Air Conditioning Rental Services

The County of Orange, OC Public Works, is requesting competitive bids for temporary heating, ventilating, and air conditioning rental services on both planned and on-call bases, with bids due August 10, 2026 at 2:00 p.m. and clarification questions due July 27, 2026. A 5% local small business (OCLSB) and disabled veteran business enterprise (DVBE) preference applies, with a maximum preference deduction of $100,000 combined.

Bidders must hold a valid California State Contractor's License (C-10, Electrical Contractor License) at submission and throughout the five-year contract term, which runs from December 14, 2026 with no automatic renewal. The contractor must maintain 24/7 availability with dispatch capability within one hour of notification and comply with California prevailing wage requirements.

The scope encompasses air-cooled chillers (5–230 tons), water-cooled chillers (300–1,000 tons), cooling towers (50–700 tons), plate heat exchangers (100–700 tons), air handlers (5–75 tons), package units (10–30 tons), spot coolers (1–5 tons), loose pumps (2–125 HP), boilers, transformers (45–1,000 KVA), and generators (2,000-watt to 1,875 KVA units). Services include delivery, setup, teardown, removal, equipment testing, spare parts inventory, water treatment chemicals, and condensate management. Rental rates are structured by regular hours (Monday–Friday, 8:00 a.m. to 5:00 p.m.) and emergency hours (Monday–Friday 5:01 p.m. through 7:59 a.m., all-day Saturday and Sunday, and specified holidays). All work interfering with County operations must be performed on weekends, holidays, or outside regular business hours. The pricing schedule includes 119 line items for delivery, setup, teardown, removal, and rental rates, plus 45 items for 200-hour generator maintenance services.

Rental rates must remain firm for the entire contract term and include all direct and indirect labor, equipment, tools, overhead, depreciation, and profit. The County supplies generator fuel. The contractor must warrant materials for one year after installation or per manufacturer's warranty, whichever is longer. Award is based on the lowest responsive, responsible bid. Bids remain valid for 120 days after closing. All bids must be submitted electronically through the County's procurement portal at https://procurement.opencov.com/portal/ocgov. Contractors must submit proof of insurance with additional insured endorsements, W-9, D-U-N-S number, and UEI number within seven days of award. Performance and payment bonds are required prior to contract execution.