What is a fresh air ventilator?

Ventilation systems bring in fresh air from the outside and push out unwanted airborne particulates to create cleaner, fresher, and healthier indoor air.

What is the purpose of fresh air supply?

The EPA suggests that systems use mechanical ventilation in order to avoid pollutants in buildings and ductwork, an excess of moisture, and odor buildup. Fresh air allows for the space to cleanse itself as the air flows through and helps keep down any undesirable air from doing too much damage.

What is a fresh air intake system?

What is a fresh air intake? A fresh air intake is exactly what it sounds like, a path for your home to take in fresh air from the outside. In many homes the fresh air intake is simply an open duct ran from an outside vent into a basement, or any room housing the home’s furnace.

Do I need fresh air intake on my HVAC system?

An important part of your HVAC system, fresh air intakes help to increase performance, efficiency, and operating life. Using them properly can improve indoor air quality. They allow fresh air in from outside, which has many benefits.

What is supply ventilation?

Supply ventilation systems use a fan to pressurize a structure, forcing outside air into the building while air leaks out of the building through holes in the shell, bath and range fan ducts, and intentional vents (if any exist).[15]

How does a fresh air return work?

Fresh air returns add balance Air in your home moves from high pressure to low pressure. An air conditioner pushes it out at high pressure and draws it back in using low pressure. Balancing those pressures keeps your system efficient.

How does HVAC fresh air intake work?

Fresh air enters the duct before the air handler fan which reduces the volume of return air being pulled from inside the home. Since the supply air exceeds the return air, a positive pressure is maintained in the home when the HVAC system is in operation.