RFP Chiller Maintenance & Repair Services

The City of Mesa, Arizona Procurement Services Division is soliciting proposals for a three-year water chiller preventative maintenance and repair contract covering multiple chiller locations throughout the city, with proposals due October 14, 2026 by 3:00 p.m. local time and a pre-proposal meeting and site visit on September 28, 2026 at 8:00 a.m.

Contractors must be factory-authorized to perform maintenance and repairs on each brand of commercial and industrial chillers in the city's portfolio, hold a State of Arizona Commercial Air Conditioning and Refrigeration license (L-39), and maintain ASNT levels 2 and 3 certified employees. A local office within one hour drive time of the contract area and a dedicated field supervisor with minimum five years of chiller supervisory experience are required. The contractor must provide 24/7 emergency response capability with two-hour response requirements.

The scope encompasses quarterly preventative maintenance inspections, annual comprehensive maintenance services, emergency response, and repair work on commercial and industrial chillers. All contractor employees require background checks, City-issued ID badges, clean uniforms, and valid Arizona driver's licenses. Defective work must be corrected within two hours of notification, with a 90-day warranty on all preventative maintenance work.

Compensation is based on firm, fixed prices for routine preventative maintenance tasks, with hourly rates for extra work and emergency response services. The contractor assumes all costs for equipment, labor, materials, disposal, and transportation.

Evaluation criteria weight firm qualifications and experience (350 points), proposed solution and method of approach (350 points), and pricing (300 points). The anticipated award date is December 8, 2026, with contract commencement on January 1, 2027. The initial three-year term runs through 2029, with an option to renew for up to two additional years by mutual written agreement. Written questions are due October 5, 2026 by 11:00 a.m. local Arizona time. The pre-proposal meeting at the District Cooling Plant will include site visits to five work locations and information on four additional locations.