thecooldown3h
The government wants to give you $600 to upgrade your drafty windows — cash in before incentives get repealed
First, figure out your climate zone with this tool. Then, find the certified product directory number of the windows you want ...
CyberGuy7h
Smart windows take a page from nature’s pinecone playbook
Pinecone-inspired windows self-regulate sunlight, blocking heat in summer, warming rooms in winter, saving energy without ...