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