The Fresh Air

Is Supply Air From Ducts in my House Better Than the Fresh Air?

You are undoubtedly aware that a system of ducts concealed behind the walls was used. When building your home, do you know what they are for? The ducts give the atmosphere a way to circulate between your HVAC system and every room in your house. The supply and return air vents you see all over your home, however, are essential to this circulation process. In this article, we will know is supply air from ducts in my house better than the fresh air.

You are certainly aware of the network of ducts that are concealed behind the walls of your home. But what precisely do they perform? Every room in your house has a connection to these ducts. which serves as a conduit for air to circulate to and from your heating and cooling system. The supply and return vents dispersed throughout your home are necessary for the function that your ductwork does. Without them, it would not be feasible.

A huge network of air ducts is concealed within the walls of your house. They provide a route for air to get to and from your HVAC system and link to almost every room in your home. The distinctions between return and supply vents will be covered in this article, along with some maintenance advice.

Difference Between Ductwork And Vents

Your home’s HVAC system is designed to keep the ductwork’s atmosphere balanced. To achieve this, the airflow from the ducts needs to be approximately equal to the airflow being drawn back into the ductwork. Your home will feel less comfortable if there aren’t enough supply and return vents, which will lead to an imbalance in the pressure inside the ducts. Ensure accurate measurements of your home’s airflow requirements are taken before the HVAC system is installed if you’re building a house or installing a new system.

The environment inside your ducts should be kept reasonably balanced by your heating and cooling system. This indicates that the air being pulled back into your ducts is equivalent to the air being blown out of them. Is supply air from ducts in my house better than the fresh air?

An insufficient number of supply or return vents is one of the most significant issues with the ducting design that affects dwellings. In either scenario, your home won’t be as comfortable because the pressure inside your ducts will be out of balance. This is one of the reasons it’s crucial to engage with a skilled contractor who will accurately measure the airflow requirements for your home before installing your heating and cooling system.

Will A Filter Work In My Return Vent?

Like any other piece of machinery, your HVAC system operates best when it is free of dust and other debris. The evaporator coils in your AC unit are one example of an HVAC system where debris can build up.

A return vent filter can assist keep this debris from entering your return vents. And guarantee that the air entering your HVAC system is clean, even though routine cleaning is a good idea.

Additionally, the air entering your equipment is cleaned by a filter that is part of your air conditioning system. As a result, a filter on your return duct acts more as an extra safety measure to improve air quality and lengthen the lifespan of your HVAC system.

Never Stop Up A supply Or Return Vent!

When your heating or cooling system is running. It is simultaneously sucking the air out in addition to blowing conditioned air. The balance of the entire system is off if even one of your supply or return vents is obstructed.

Cutting off the conditioned atmosphere to empty rooms may seem like a cost-effective energy-saving measure. But it may actually increase atmosphere pressure in the duct system and cause significant duct leaks. Vents cannot be closed or blocked to reduce energy consumption because the HVAC system operates at a constant speed.

Your supply and return Ducts are meant to keep the atmosphere supply balanced. In other words, the amount of atmosphere entering and leaving your HVAC system should be equal. Expect comfort and performance issues if there is a change in pressure. Airflow obstructions and poor ducting design can cause similar issues.


Along with the supply vents that are normally found in each room. Your home should have a return vent or grille in every room. To save money, some homes are constructed with only one or two primary return vents. But if you want optimum comfort and efficiency, this isn’t the best configuration.

Search your nearby air duct cleaning service and clean the ducts as soon as possible to enjoy the fresh atmosphere coming out of the vents.

Scroll to Top