H.12. 21-2690 APPROVE THREE-YEAR AGREEMENTS WITH ACCO ENGINEERED SYSTEMS, F.M. THOMAS AIR CONDITIONING AND QUALITY REFIGERATION CO. TO PROVIDE ON-CALL HVAC MAINTENANCE SERVICES FOR A TOTAL COST NOT TO EXCEED $90,000 PER AGREEMENT, FOR THE TERM OF JULY 13, 2021 TO JULY 12, 2024