Choosing the right glass is important. Whether you’re remodeling or building a new home, you want your windows to let in the most light without raising your energy costs. The special, invisible coating on Low-E glass reflects thermal heat and keeps harmful UV rays out. That means consistent temperatures inside your home and lower energy bills.
Because exterior temperatures cannot pass through the special coating on Low-E glass, they are preferred with homeowners who want energy-efficiency and cost-savings. But, when it comes to Low-E windows, what’s the best type? In this post, let’s take a look at two of the most sought after Low-E options: Low-E 366 vs Low-E 452.
Low-emissivity coatings aren't the same and they come in different performance levels. Choosing the best option for your home may depend on where you live, your temperatures year-round and the amount of light coming into your rooms.
For an ultimate performance window, consider Low-E 366 glass. It provides excellent energy-efficiency, value and comfort all year long. Low-E 366 glass is highly visible, ENERGY STAR compliant and provides optimal solar control.
Here are the pros and cons of Low-E 366:
Low-E glass offers a highly-visible light transmission and it includes low-to-medium reflectivity. In areas like Florida or Arizona, where blocking UV rays is a top priority, Low-E 452 glass should be your top choice. The low-emissivity with this specially treated glass is designed to bend back any type of heat from outside. Homes can stay consistently colder in summer months and warm in colder seasons (where applicable).
With a neutral appearance and excellent SHGC, Low-E 452 is a preferred glass. Homeowners can talk to their window contractor about stacking or decreasing the layers to ensure a customized fit and coverage. With dramatic energy savings, the Low-E 452 can lower heating and cooling costs.
Here are the pros and cons of Low-E 452:
It’s clear that Low-E glass is everything you want in your windows. Whether you select the Low-E 366 or the Low-E 452, they offer exceptional thermal efficiency to reduce glare. More natural light can come in while harmful UV rays are blocked out. And, as a homeowner, you don’t have to worry about fading or damage to your furnishings, carpet and artwork caused by UV rays. Additionally, because of the low emissivity with these types of windows, rooms will stay warmer in the wintertime and cooler in the summer.
Energy-efficient and budget-friendly, Low-E glass is a preferred replacement glass with homeowners. If you’re in the market for replacement windows, schedule a free in-home consultation today.
Energy-efficient glass is incredibly valuable. Learn about energy-efficient glass options in this post comparing Low-E 240 vs Low-E 366 window glass.
What is Low-E window glass? Low-E glass boosts the insulating power of your windows, learn more about how they work and what options are available in this post.
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