Reviews

10/10

We replaced all of the old windows in our cottage with Ostaco windows that are triple pane with two low-e surfaces on the glass and argon, and it's made such a difference to our level of comfort in the cottage as well a significantly improving its appearance. It used to get so hot in our cottage in the summer and it's so much cooler now, it almost seems like we have air conditioning when we don't! It's going to be awesome to have far lower heating bills this winter. We would highly recommend Ostaco to any looking to replace their windows.

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