Passive Windows

Relatively recently in the construction of houses was founded new concept of "passive house". This concept means that during the construction of houses, all the calculations and construction materials are used so as to ensure maximum heat protection, in result  the heating of the house requires a minimum amount of energy. For these homes manufacturers produce insulated windows construction, so-called "passive". Difference between this window and euro window is in a thicker frame and double glazed window, with the additional insulated pad on the frame and sash. A very important point in operating passive window is proper installation of it, and. To achieve the desired effect are very important materials used in the installation, as well as the work of installation.  An order for the windows by Doleta, installation works will be provided for some extra units by our specialists with the long term guarantee.