HVAC means heating ventilation and air conditioning. HVAC systems are designed with the intent of heating and cooling for your home efficiently. These systems use ventilation air ducts to supply conditioned air to your rooms and to remove air through return air-grilles. HVAC systems will leave your home’s air regulated concerning humidity and temperature utilizing outdoor fresh air. T... https://www.ny-engineers.com/types-of-hvac-split-systems-for-your-home