At KNOWLEDGE HVAC & REFRIGERATION LTD we focus on equipment safety, rules and manufacturer specifications. We are known for Safety First, Quality Work and Timely Completion. Our HVAC Technicians are fully licensed, factory trained and extremely knowledgeable. KNOWLEDGE HVAC & REFRIGERATION LTD is a full service Heating, Ventilation, Air Conditioning, Commercial Refrigeration and Mechanical company Our Techs are Red Seal, Gas and FSR Electrical licensed. We are Licensed, Bonded and Insured, we offer a wide range of services to Commercial and Residential customers. HVAC installations (Residential and Commercial) • Refrigeration equipment installations • Commercial Refrigeration Contractor • Heating Contractor • Air Condition & Heat Pump Contractor • Gas Contractor • Maintenance, service & repair of heating, cooling and refrigeration equipment • Electrical services • HVAC and Refrigeration equipment maintenance program • Gas fitting