While visual differentiation can by difficult, value-added experiences in the purchase and installation process can set brands apart, according to J.D. Power’s 2019 Windows and Patio Doors Satisfaction Study.

Source: www.windowsforyourhome.com

Infinity from Marvin, which is proudly sold and installed by Gravina’s Window Center of Littleton, carries a satisfaction score of 890 based on a 1,000-point scale.