It allows the unit to use outdoor air for cooling provided the ambient air is below a certain temperature and the humidity is below a certain percentage.
Roof top unit definition.
Unlike split systems commonly used in.
A rooftop packaged unit or rtu an air handler or air handling unit often abbreviated to ahu is a device used to regulate and circulate air as part of a heating ventilating and air conditioning hvac system.
The rtu is a piece of mechanical equipment that is designed to heat cool ventilate by providing air flow for any combination of the three.
They also can be slab mounted on the ground and have heating capabilities depending on the particular model.
They most often include internally their own heating and cooling devices.
An enclosed space inside a building or other structure used for airflow.
The roof top unit is installed on a mechanical curb that is set onto the roof and flashed in by the roofing contractor.
Rooftop units are what are known as package units in the hvac industry.
The rtu is located on the roof and is therefore a roof top unit.
Rooftop units are a type of air handler the main difference is that they are usually more compact and they re always installed on the roof so they need to be more robust and weather proof to deal with the sun rain snow wind etc.
Additionally ahu s will often be connected to central plant such as chillers and boilers to provide the heating and cooling but rtu s are self contained and have everything they need all in one unit.
The roof top unit is an outdoor ahu.
As the rtu is mounted on the roof this removes the concern about creating extra space or room for fitting it as is the case for the other types of ahu.
They are very popular with retail and industrial properties.
A package unit is set apart from a split system which is the common type of air conditioner heat pump found in houses.
A rooftop unit like the name implies is a packaged unit installed on the roof.
Keep reading to learn more about the rtu hvac system and find out if it may be a good choice for your commercial space.
It s a self contained unit that provides both heat and air conditioning for certain types of spaces.
As the unit is fitted on the rooftop one should have more care as it is exposed to the weather.
Packaged rooftop units are commonly found in light and large commercial applications.
These packaged units contain all air conditioning components including.
Sep 9 2016 2 min read a packaged rooftop unit or rtu is a type of hvac system that contains all the components needed to provide conditioned air in one concise unit.
Packaged unit or rtu rooftop unit an air handling unit defined as either recirculating or once through design created for outdoor installation.