Rooftop Ac Units Installed On Metal Building Roof

Because everything is together and on the roof ducts can be run straight down from the unit and throughout the building.

Rooftop ac units installed on metal building roof.

It was also important to adequately fasten the new unit to the roof structure below. Unfortunately an improperly placed and installed packaged rooftop unit can lead to roof damage including punctured membranes and sagging that could lead to ponding water and leaks. When you are considering putting an air conditioner on your roof the system that you are looking at is a packaged unit. It can also be mounted on a slab at ground level.

This guide does not address roof penetrations. 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. This is more often the best placement for private homes. Mechanical contractors should not be asked to supply or install roof curbs for roo fi ng systems.

Roof curbs should be supplied by the hvac manufac turer to the general contractor or building manufacturer and installed by an experienced erector. We live and work in an area with high winds. This means that the condenser and the fan are all in one unit and not split apart and connected by hoses or pipes. 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.

New steel angles were added to support the metal decking at all new openings and below all edges of the new rooftop unit. Rooftop units are an extremely common setup in hvac systems for commercial buildings due to their ease of installation good energy efficiency and ability to provide heating and cooling in one unit.