Many of us have experienced the wind tunnel effect while entering a building. You confidently walk up to the front swing doors, pull on the handle and… nothing. The door feels like it’s glued shut. Or, as you walk through the ground level of a building, a large gust of wind catches you off guard and threatens to knock you off your feet. Then there’s also the chill that a strong, cold wind brings into an otherwise warm and comfortable building lobby.
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Revolving doors have been around for well over 100 years since their invention by Theophilus Van Kannel in 1888. As the story goes, Van Kannel, working in a lobby during a cold winter in Philadelphia, complained about the unpleasant effects of the swing door at the main entrance: “Every person passing through [the exterior door] first brings a chilling gust of wind with its snow or rain, and the noise of the street; then comes the unwelcome bang!”
Van Kannel decided to do something about it. He started a business, and the rest is history. The revolving doors stopped air infiltration and were quiet during use. But, how much can you really improve on what is a relatively simple concept? In fact, modern technology and engineering have completely transformed Van Kannel’s invention in terms of safety, ease of use, and even security. Let’s take a closer look.
So, what do you know about revolving doors?
A revolving door can be a complex solution to implement. A big reason for this is that there are often several parties related to a revolving door sale (contractors, specifiers, architects, etc.). This means the final building owners and facility managers may not have a full understanding of the benefits and value they can deliver.
Revolving doors are an excellent solution for commercial buildings due to their appealing aesthetic appearance at the entry, in addition to their ability to minimize the influx of unconditioned outdoor air and unwanted noise and debris.
The most important decision to make is which type of revolving door you will install. The best door type and features for your application would be the subject of a different blog - here. I’ll assume you’ve made the right decision and in this blog post I’ll focus on ensuring a smooth installation.
Revolving doors create modern entrances that reduce energy and save businesses space. But, as with any entrance that is used by the public, there are some implications to consider for creating the safest experience possible. Consider 5 safety tips for the safest revolving door entry.
Many people and authorities are taking a serious look at energy efficiency, especially where large, commercial buildings in metro cities are concerned – and rightfully so. The biggest energy users in commercial buildings are lighting and HVAC (Heating, Ventilation and Air Conditioning) – accounting for 19% of all the energy used in the United States, according to ASi Controls.
Unfortunately, there are no nationally enforced energy codes or “standards” that commercial building owners must abide by in the United States. Energy codes are agreed upon at the state and local levels. There are some guidelines, however, put out by the International Energy Conservation Code (IECC) and American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE). These two organizations focus on conservation requirements for the building envelope.