Proudly Energy Star Certified
At Inline Fiberglass, we take pride in our long-standing commitment to energy efficiency. As an Energy Star certified manufacturer, our fiberglass windows and doors not only meet but exceed industry standards for energy performance. This certification reflects our dedication to providing products that help reduce energy consumption and lower utility bills for our customers.
20+ years
of Energy Star certification
30%
average energy savings for homeowners
100%
of our products meet Energy Star guidelines
5,000+
satisfied customers benefiting from energy-efficient solutions
AAMA
PHIUS
PHI
NFRC
