Low E4 Vinyl Window

Vinyl cladding vinyl cladding wraps around the sash to protect against swelling and bowing.

Low e4 vinyl window.

Most people can enjoy optimal energy performance and comfort with our standard low e low e4 glass offerings. Low e 4 glass is a newer technology but is still widely used by renewal by andersen dealers. What is a low e window and what makes it energy efficient. They will normally advertise it as such but the term low e4 is misleading because it does not follow the same patterns as low e low e2 and low e3 already have.

The infinity composite fiberglass uses the same glass as the renewal composite vinyl window. Can anybody tell me what makes low e4 glass any better than low e3 366 glass. In fact the glass is standard on all rba windows. Low e windows are definitely the way to go and will soon be the standard that all builders use.

All surfaces reflect absorb and transmit heat. Choosing a protective energy saving glass. Additional glass performance options include smartsun glass that blocks 95 of the sun s. Exterior appearance and construction.

The term low e gets thrown around quite a bit when talking about replacement windows. While a single pane of clear glass has a u factor of 1 04 a low e2 window measures 0 30 compared to 0 29 for low e3 windows according to milgard manufacturing giving low e3 windows a slight. From the research i ve done it seems that andersen s e4 only has the benefit of less water spots. The visible spectrum is what s necessary for plant growth.

Low e or low emissivity glass was created to minimize the amount of infrared and ultraviolet light that comes through your glass without minimizing the amount of light that enters your home. It reduces up to 99 percent of water spots and can cut energy bills up to 25 percent. Low e glass windows have a microscopically thin coating that is transparent and reflects heat. With flexible weatherstripping on the perimeter of the sash and a rigid nailing flange these andersen windows keep out drafts dust and water.

Low e literally means low emissivity which in turn means a surface that emits low levels of radiant heat. In fact some studies show. Here is the vinyl cladding on a andersen 400 series window. Some companies have released a low e4 window which is nothing more than low e window with a self cleaning coating.

People ask for low e windows but the term is a bit vague at best. While the process behind low e4 glass is complex the results aren t. There have been some concerns about the effects of low e glass on house plants but the quick answer is that low e glass is designed to block heat. The coating appears invisible to the naked eye allowing as much natural light into the house as possible.