HVAC stands for heating, ventilation, and air conditioning. It is a sub discipline of mechanical engineering and is based on principles of thermodynamics, fluid mechanics, and heat transfer. Discoveries by Willis Carrier, Reuben Trane, and James Joule made HVAC what it is today. HVAC industry is regulated by multiple enterprises including HARDI (Heating, Airconditioning & Refrigeration Distributors International), ASHRAE (American Society of Heating, Refrigerating and Air Conditioning Engineers), SMACNA (Sheet Metal and Air Conditioning Contractors’ National Association), ACCA (air conditioning contractors of america), Uniform Mechanical Code, International Mechanical Code, and AMCA (Air Movement and Control Association International). ISO 16813:2006 is one of the building environment standards. This ensures the buildings environmental design is safe and healthy for today and future occupants. Bartlett Heating and Air is fully certified in contracting all your HVAC needs so call us today!