The old doors in my house were no longer in the best condition: they creaked, did not close well, and did not look attractive. When I installed the new ones, I realized how much it affects my comfort on a daily basis. Now the heat does not escape outside, and I also like the modern look of the facade. If you're looking for a good ratio of quality and style, I'd recommend https://www.glarior.ca/doors/ - they have really interesting solutions.