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Did you know that as much as 50% of the total energy loss in a well-insulated building occurs through and around doors and windows? Despite today's increased energy awareness, the answer to the question "where does my money go?" can all too often still be answered, "straight out the front door".

Always Open , Always Closed.

Draft prevention at building entrances is a critical area of building design to minimise drafts and conserve energy. Conventional swing and sliding door entrances create a hole in the building envelope every time someone passes through, allowing outside air to rush in to displace the controlled internal atmosphere. Draft lobbies, which take up a lot of space, are sometimes used in an attempt to solve this problem, but studies show they frequently open at both ends, rendering them completely ineffective.

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With 150 years of experience, Boon Edam knows precisely how to allow people to pass through our "always open, always closed" entrances while creating a barrier to drafts, dirt and noise in buildings. Whether to keep cold drafts out or cool air-conditioned atmospheres in, our revolving doors are the perfect solution for separating the outside environment from the inside of your building, conserving energy and creating a more comfortable environment. On average, eight times less air is exchanged with a revolving door than with a sliding or swinging door.

Get Your Personalised Revolving Door Energy Analysis.

Discover the energy savings and draught prevention potential for your building.

Energy-efficient Buildings.

Saving energy is a hot topic, especially with the current energy prices. Based on sustainability ambitions and through sustainability classifications for buildings, such as LEED and BREEAM, everyone is looking for ways to make buildings more energy efficient at the moment. A revolving door can make a substantial contribution to this.

Boon Edam x Sliding Doors vs Revolving Doors

Swinging Doors vs Revolving Doors.

REST (Revolving Door Energy Savings Tool).

Innovative Calculation Software for End-Users with Tangible ROI for Revolving Door Usage

Revolving doors are the most environmentally friendly access solutions currently available worldwide. However, it has always been challenging to quantify the exact achievable savings. In close cooperation with TU Delft, Boon Edam has developed software for calculating energy savings that can do just that. This program takes the most decisive characteristics of the building, such as dimensions, location and air permeability. It combines them with local weather information to accurately compare the energy consumption of a revolving door and a sliding or swinging door. The savings are shown in kWh per month and include a simple payback time calculation. 

Individual Calculations from your Building or Prospective Project.

We can prepare a revolving door energy-saving analysis modelled on your own building or future project so you can see not just if a revolving door is right for you but what particular model is best suited.  

The analysis provides: 

  • Energy savings in kWh per month 
  • Analysis of draught prevention 
  • Payback calculation 

Whether your primary concern is return on investment, environmental impact or creating a comfortable building environment, the benefits of revolving doors are significant.

Energy is money, and there has never been a better time to buy a revolving door.

Get Your Personalised Revolving Door Energy Analysis.

Fill out the form to receive a complimentary, personalised revolving door analysis from Boon Edam.

The Time is Now: Invest in a Revolving Door.

With the rise of sustainability ambitions and legislation, there has never been a better time to invest in a revolving door. Get started today with a personalised energy analysis from Boon Edam.

Case Study: Albert Heijn Supermarket

Albert Heijn supermarkets have a substantially large footprint in the whole of the Netherlands. The group and many other major EU companies decided to participate in national agreements to comply with the Kyoto protocol.

The Kyoto Protocol is an international treaty that aims to reduce greenhouse gas emissions and combat climate change. It was adopted in 1997 and entered into force in 2005. The protocol sets binding emissions reduction targets for developed countries and provides mechanisms such as emissions trading and the Clean Development Mechanism to help them meet their targets. The current target of the protocol is to reduce emissions by at least 5% below 1990 levels by the commitment period of 2008-2012. 

Client: Ahold 

Location: Albert Heijn Supermarket, Heerhugowaard, The Netherlands 

Comparison: 4.8-metre Tournex revolving door vs single sliding door 

The client's objectives were: 

  • To reduce the draft penetration into the building to create more useable floor space and prevent staff complaints arising from adverse working conditions 
  • To contribute towards an overall energy efficiency improvement. Following the 1997 Kyoto protocol, the European Union committed to substantially reducing CO2 emissions. 

Results: 

  • Draft penetration: Reduced from 7 meters (23 feet) to 60 centimetres (2 feet), creating a much more comfortable environment 
  • Energy loss reduction through the entrance: 55%This example is typical of a small supermarket with relatively low traffic flow. Larger buildings with heavier usage flow show significantly more dramatic results and energy-saving benefits that pay for revolving doors many times over within the life of the products. 

Get Your Personalised Revolving Door Energy Analysis.

Fill out the form to receive a complimentary, personalised revolving door analysis from Boon Edam.