This product has hydrophobic properties making water bead. You want a hydrophilic treatment for glass in your home.
Hydrophobic is effective on cars because the force of the air around your moving car helps push beading droplets off of it.
On a stationary glass surface, water droplets will cause spotting on your glass. Hydrophilic treatment makes for a better option for home. Look up videos for the two treatment types To help you with your decision.