If you've seen water between glass panes, leaking, water stains or evidence of wood rot - those are signs that excess moisture is accumulating where you can't see it. This can lead to damage, including mold, mildew and warping. While some condensation is normal, an excess of moisture often points to a problem.

If you need to wrap up in a blanket to sit by your windows or have to close your blinds to keep out the hot summer sun, it may be time to switch to energy-efficient Marvin windows.

If you struggle to open your windows or can no longer lock your patio door, it may be time to save yourself the hassle and consider replacing with new, durable Marvin Replacement windows and doors.

If your windows and doors aren't making the design impact you'd like inside or out, or they're limiting your home's liveable space, replacing your windows and doors can improve how you live and feel in your home.