Navien Tankless Hot Water Heater Preventative Maintenance Services

The Housing Authority of the City of Allentown, PA is soliciting sealed bids for preventative maintenance, repair, and as-needed replacement of 169 Navien tankless hot water heaters at Cumberland Garden Properties under Bid No. 2026-008-000-50-4430040, with a pre-bid conference on November 10, 2026 and bids due December 4, 2026. The solicitation carries a Section 3 requirement: contractors must meet safe harbor benchmarks of 25 percent Section 3 labor hours and 5 percent Targeted Section 3 labor hours, or demonstrate qualitative efforts if benchmarks cannot be met. No set-aside or local-vendor preference applies.

Scope covers scheduled annual maintenance, including descaling and flushing of heat exchangers, component cleaning and inspection, system diagnostics, and venting and drainage inspection, plus on-demand installation and replacement. The Housing Authority supplies replacement tanks and filter systems, while the contractor supplies all other materials. Installations must be performed by a licensed plumbing, HVAC, or mechanical contractor. Maintenance requires either Flow-Aide biodegradable descaler or Nu-Calgon Vital-Flo, a 45 to 60-minute flush cycle, and an annual scale inhibitor cartridge supplied by the contractor. Excluded work includes repairs for normal wear and tear, emergency diagnostics outside the maintenance window, and water quality rectification. Bids must include four professional references for similar services completed within the past three years, a vehicle and equipment roster, and criminal clearances for employees working on Housing Authority property. Commercial general liability coverage of not less than $1 million per occurrence must name the Housing Authority as additional insured. No bonding is required.

The contract runs three years, January 1, 2027 through December 31, 2029, with two optional one-year extensions for 2030 and 2031 at the Housing Authority's sole discretion. Bidders must pay prevailing wages at the HUD-determined maintenance rate of $36.30 per hour ($23.99 basic plus $12.31 fringe), effective through June 30, 2028. Payment is net 30 after satisfactory completion and acceptance, by ACH. A stipulation against liens must be recorded with the Lehigh County Clerk of Courts within 10 days of signing.

Written questions are due November 20, 2026 at 12:00 p.m. through PennBid, with responses issued by November 25, 2026 at 3:00 p.m. The pre-bid conference runs November 10, 2026 at 1:00 p.m. at the Cumberland Gardens Community Center, followed by a site visit at 2:00 p.m. Bids are due electronically through PennBid by 10:00 a.m. on December 4, 2026, and late submissions are not accepted.