Windows are a construction element that must satisfy the functions of sound, thermal insulation, but also provide natural ventilation to the home and the best ones can be found at https://westendwindowsanddoors.com/.
Windows are an integral part of each residential building, but also the most important factor when it comes to energy efficiency. Windows are the ones that are responsible for up to 50 percent of total energy losses caused by the construction of an object. Additionally, windows are an important aspect of interior decorating at home and are essential for providing a living comfort. Therefore, the selection of high-quality windows is an extremely important task, and now, when the supply of materials, technologies, and manufacturers is rich, the possibility of a wrong choice is greater than ever before. How to choose a quality external doors and windows?
First of all, the windows must meet the right technical criteria. According to the applicable technical regulations, the coefficient of U (the passage of heat) for windows and doors can amount to max. U = 1.80 W / m2K. Old windows on buildings have a coefficient of about 3.00 – 3.50 W / m2K and more. European legislation, however, stipulates of 1.40 – 1.80 W / m2K. Total heat losses depend on the properties and window profile that, depending on the type of material of which they are made, must provide: a good seal, profile with a thermal break, low heat transfer coefficient. The types of heat loss through the window are divided into the transmission, i.e. losses through a closed window and ventilation – through the open window. When you add up these losses, your home receives a loss of energy and more than 50 percent of total energy loss.
The windows that have the best coefficient range is 0.8 W / m2K and the worst 3.50 W / m2K. Quality windows reduce transmission losses and ventilation losses with the help of ventilation device or ventilation sensors. Sensors open windows when it comes to controlling the heating/cooling and turns off the device when the window is open. The main element of the coefficient of thermal power of passing through the glass and profile. The heat transfer coefficient in the glass is reduced by installing double or triple glazing whose intermediate space is filled with air or more preferably inert gas – argon. On the outside, there should be a low – chemical coating that reduces heat radiation through the window. By setting this layer on the outer surface of the glass it allows the heat to stay inside
The low – chemical coating is colorless and does not affect the passage of light. Glass with such coating is called low-e glass. Windows as a construction element should provide sufficient thermal insulation, sound insulation, and function of natural ventilation. This is achieved by using the appropriate materials and components: U-value of heat transfer coefficient, Δ-value of the heat flow through the warm bridge, a ventilation value, the g-value of heat input from an external source. According to the manufacturer, changing old windows with new is an investment that pays off frequently for only two heating seasons.