New steel angles were added to support the metal decking at all new openings and below all edges of the new rooftop unit.
Rooftop ac units installed on metal building roof.
Mechanical contractors should not be asked to supply or install roof curbs for roo fi ng systems.
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.
This means that the condenser and the fan are all in one unit and not split apart and connected by hoses or pipes.
When you are considering putting an air conditioner on your roof the system that you are looking at is a packaged 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.
Roof curbs should be supplied by the hvac manufac turer to the general contractor or building manufacturer and installed by an experienced erector.
It can also be mounted on a slab at ground level.
We live and work in an area with high winds.
Instructions supplied with the unit curb.
Because everything is together and on the roof ducts can be run straight down from the unit and throughout the building.
It was also important to adequately fasten the new unit to the roof structure below.
This combination heating and air conditioning unit can be mounted on the roof especially in the case of businesses with flat roofs.
Why it costs the same amount.
This is more often the best placement for private homes.