Medium Solar Gain Low-E Glass: 270
Cardinal LoE-270 glass delivers year-round comfort in all types of weather. In summer, it rejects the sun’s heat and damaging UV rays. In winter, it reflects heat back into the room. Cardinal LoE-270 is very similar to LoE-272 glass, only with slightly more solar control, while LoE-272 offers a little more light transmittance.