It s also much harder to reach a rooftop mounted air conditioner so if you plan to do your own regular maintenance you ll need to make sure you have the right equipment to do so safely.
Roof mounted hvac equipment evaluation.
Let s take a look at how you can quickly diagnose and solve curb problems you may encounter in the field.
This guideline is a joint publication with the sheet metal and air conditioning contractors national association inc.
Roof mounted hvac protection.
This document establishes guidelines for the installation of roof mounted outdoor air conditioner equipment and sets forth good construction practices covering curb and roof penetrations and sealings.
A recent evaluation of several hundred commercial rooftop systems around the country exposed a hidden flaw that deteriorates system efficiency up to 40 rooftop equipment curbs.
At above right is a complex of roof mounted ac heat pump systems on a christchurch new zealand high.
Just like a roof itself roof mounted heating ventilation and air conditioning hvac equipment can be damaged by hail leading to energy loss and business downtime.
Has no application for these circumstances in some cases a condensing or similar unit needs to be roof mounted but does not need to duct through the roof.
With any roof related installations if a hail guard or shield is installed on a roof it should be properly designed to resist estimated uplift pressures.
Many hvac units are mounted on pre formed roof curbs and bottom ducted to the building interior.