glass block

Hi there, I have noticed some post that have provided me with good information but I thought I would make my own post to more specifically address my questions. I have an outdated electric tank water heater and I am considering switching to a super high efficiency (condensing) natural gas...

Hi fellow experts, Upon in-depth, extensive online search, I decided to ask here since I haven't found the answer I was seeking. My basement window has a metal sash and frame as shown in the pictures. I want to replace it with a pre-assembled glass block window. In online search, I learned that...