Wow. Well done video and makes me think to get a quote for retro fitting vs all new windows. But we are in Spain, so I will have to search for someone here.
They pay for themselves. 1) protection 2) lower electric bills 3) A/C cycles less which prolongs life 4) Lower home insurance 5) house value raise. Temps outside fluctuate while inside temp stays steady. Best decision I ever did. Expensive but the money will come back.
