Heating, ventilation, and Air conditioning (HVAC) are the science of vehicular and indoor environmental comfort. Its purpose is to deliver suitable indoor air quality and temperature. HVAC has four key functions which are to control indoor temperatures, regulate humidity, control air flow, and improve the energy efficiency of a space. The process incorporates the principles of engineering, biology, physics, and chemistry to efficiently deliver controlled environments in a building or other enclosed area. HVAC services encompass services such as heating, ventilation, air conditioning (HVAC) ductwork, cooling, air filtering, and home & commercial boilers.
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HVAC is one of the largest industries in the US with over $20 billion dollars invested yearly. It is also one of the main contributors to greenhouse gas emissions which contribute to global warming. HVAC services are provided by a heating, ventilation, air conditioning (HVAC) contractors, including commercial businesses, government agencies, and schools. HVAC is an unregulated industry in most states. Businesses are allowed to install their own HVAC equipment, while residential customers are required to purchase HVAC from accredited HVAC suppliers. Industrial users are required to purchase industrial strength HVAC equipment.
For all the DIY fans out there, HVAC can be tough. Here are some HVAC basics for the home. For those who are unsure on HVAC terminology, here is a glossary of terms: Indoor Air Quality (IAQ), Indoor Air Conditioning (AAC), Heating ventilation and Air conditioning (HVAC). If you are not sure on how HVAC works, here are some handy HVAC basics for the home.