Frequently Asked Questions What is the full form of HVAC? The full form of HVAC is Heating, Ventilation and Air Conditioning. What is the full form of HVAC ? HVAC full form is Heating Ventilation and Air Conditioning. It is the technology used for indoor and vehicular environmental comfort. HVAC is an important part used in the areas of single-family homes, apartment buildings, senior living facilities and hotels, medium to large industrial buildings such as hospitals and skyscrapers, vehicles such as cars, trains, submarines,and ships and in the marine environment where a safe and stable atmosphere is required. HVAC Full Form - The full form of HVAC is heating, ventilation, and air conditioning. Learn more about HVAC History, Benefits, Products & services, on this page by careers360.com HVAC stands for Heating, Ventilation, and Air Conditioning and includes all of the equipment that regulates temperature, humidity, and air quality in your home or business. Learn about the different types of HVAC systems, how they work, and what they mean for your comfort and health.