Today you can often see that the prices of the windows are plastic, which are similar in most parameters, can differ significantly. In order to determine whether it is worth paying for this or that amount for this double -glazed window, or if you find a cheaper design, you should get acquainted with the factors that have a direct effect on the cost.
According to many experts, if you improve two-chamber plastic windows in a certain way, they will be no worse than 3 chamber. For example, to reduce heat and sound conductivity, the outer glass must be made 4 mm thicker than usual, and in the outer chamber between window glasses increase the distance. Such a technique almost does not increase the price of PVC windows, but the results gives excellent. Undoubtedly, you can use less expensive options. But at the same time, you must ensure that such savings do not lead to a rapid increase in thermal losses. Otherwise, you will have to pay for additional insulation or change the existing double -glazed window.
As for 3 chamber plastic windows, they occupied their niche firmly. PVC structures have high technical and operational characteristics: excellent heat and sound insulation, for example. According to these indicators, 3-chamber windows have established a new world standard. The only drawback at their high price is an ordinary buyer cannot always afford their purchase. But it happens that the installation of a 3-chamber PVC window is necessary, and makes it possible to seriously reduce the consumption of money in the future.
And, finally, a few words about the installation of plastic windows. Only highly qualified workers should engage in them, while observing all technological requirements. Otherwise, you can even ruin a quality design.