Either sliding or hinged patio doors are a great way to experience seamless indoor-outdoor living. Both types of doors also allow for increased access to natural light and offer adequate ventilation when they are open. However, there are other factors to take into account when deciding which ones to install in your home. 

When it comes to windows, an air leakage rating is just as important as the U-factor and solar heat gain coefficient ratings. So what is air leakage and why does it matter when looking at the energy efficiency of replacement windows? A wood window installation expert discusses the answer here.