Unless you’ve worked at a library, you might be unaware just how pressing the heating plus cooling device is to the sanctity of the building the resources it houses within. See, your local library is more than just what you see on display, but often away from the prying eyes of the public is a seperate device which works to keep older documents, books, plus pieces of local history easily safe. This system is known as the archives, plus is managed by an archivist to keep those materials in the best condition as they can be. The archives can be accessed often by filling out a permissions form with the library stating the purpose of your research plus advocated materials. If permission is granted, you will be able to use the materials in that space plus often under supervision. Often times the materials will not be permitted to leave the space due to the need for unique climate control. This room will certainly require its own HVAC zone control in order to keep the materials in the proper conditions in which they require. The rest of the library also requires that HVAC device to keep the books dry plus cool so they can be in their best possible condition for customers. In order to maintain this, the local library has a humidistat plus a dehumidifier built into the device. The humidistat controls the moisture levels in the air to keep it entirely dry, while the air purification system keeps the air easily clean plus free of dust plus debris plus even bacteria, which keeps the library a very clean plus healthy space always. Without regular HVAC maintenance to keep this system running well, the library would actually cease to function for the public entirely.