Shelton’s Pride takes great care and time designing and installing all different types of duct systems. We train all of are technicians and installers through several different outside agency to allow the best mentoring possible.

Most homes are equipped with new construction or builders grade duct systems, which most of the time are incorrect and are costing you extra money and less comfort in your home. Shelton’s Pride can usually use most of the ducting that is provided from the builder. We usually just need to make some modifications to make sure there is enough return air and that we can get enough air pressure throughout the duct system. We can achieve this by adding balancing dampers and correcting the return air ducts or increasing the return air grills on vertical units. We take out  remote plenums or triangle boxes in the structure to insure correct air flow. These are used to save money for the builders. The builders do not want to run straight ducts runs with dampers, because it is more expensive for the ducts.

All duct system should be designed according to the ACCA Manuel D. In basic terms all of the ducts are designed according to pressure drops. Every duct has its own psi drop depending on friction loss, length, turns, grills, etc. After designing your duct system you need to match it up with the proper blower fan with the correct static pressure  ability to overcome the pressure drop in the duct system.

Most builders due provide Manuel D calculations, but do not test the systems after installing them. This is crucial because no duct system is installed in a lab atmosphere, it installed in a home with framers that don’t even take in  account the duct system.

To sum it all up, you should have an air diagnostic test on your home or structure to insure you are getting the correct airflow that was promised by the builder. This should be performed by air balance certified technician with the correct tools. See blogs about who is qualified to perform there test.