ONAS Heating and Cooling Corp operates as a commercial and residential mechanical contractor delivering HVAC, refrigeration, and electrical work. Core output covers rooftop units, VRF systems, ERV and HRV installations, gas piping, hydronics, ductwork, and full electrical distribution for mechanical equipment.
Work is delivered read more without subcontract reliance, using in-house technicians, licensed electrical staff, and dedicated installation crews. Execution is built on speed, clean coordination, and code-compliant results with ESA and TSSA. Projects include retail, multi-tenant commercial, restaurants, offices, and custom mechanical retrofits.
ONAS manages drawing review, equipment procurement, staging, demolition, installation, testing, commissioning, and turnover documentation. Internal controls cover scheduling, materials management, vehicle coordination, and safety requirements including working at heights and WHMIS. The company’s mandate is efficient delivery, predictable cost control, and dependable field performance for general contractors, property managers, and end clients.