Where to buy uPVC windows?

Dealers for uPVC windows are omni present just like air, all around the globe. But finding the best uPVC window is the challenge. On a general note, the uPVC windows that have passed a wide range of tests to get accredited by a well-known organisation are considered to be a good window. But to get the best window you’ve to find someone who has gone the extra mile to do something that no one else has ever done. Like windows that’ve been tested in extreme weather conditions for over 22,000 hours to prove their worthiness. This worthiness reflects in the warranty the window possesses.