Roof Top Unit Design

New roof top units can be large and heavy and typically bear on the existing roof structure.

Roof top unit design.

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. A crossed gable roof is two gable roof sections put together at a right angle. Rooftop units mechanical units are routinely placed on the roof of buildings. With ultra high ieers and energy saving features such as variable frequency drives the weatherexpert packaged rooftop units can help contribute to qualify for leed leadership in energy environmental design credits and may qualify for efficiency rebates from your local utility company.

Featuring a capacity range from 3 to 150 tons our single packaged rooftop unit from johnson controls is easy to customize with fast installation low operating costs the flexibility of heating and cooling options and our smart equipment controls sec package. Maximum design load 2. If an occupied rooftop garden the maximum occupant load. Modern gable roof design.

Lower operating costs or standards such as leed include requirements for new low gwp refrigerants and create the need for products to support these changes in rtu designs. Some of these roofs are tailored to have pointed angles. It has two equal panels pitched at an angle meet at a ridge in the middle of a building. Before examining the structure we contact the mechanical engineer working on the project to find out the size weight and optimal location of the new units.

P bc 2017 126 as a covered entity under title ii of the americans with disabilities act the city of los angeles does not discriminate on the basis of disability and upon request will provide. While engineers are accustomed to calculating and accommodating for the gravity loads of these units the proper application of wind loads to rooftop units has historically been a source of confusion. You can incorporate steel concrete and wood in appropriate proportions and in the right areas to get a contrasting roof design. The triangle section can be left open for an open gable roof or it can be enclosed for a boxed gable roof.

Whether the rooftop garden can be occupied or not occupied 3. Advanced high efficiency control has never been so convenient or easy. The constant innovation in rooftop unit rtu design is driven by new demands for higher energy efficiency and local regulations.