Low-E coatings / Guides

Passive Solar Index Home - super high efficiency
Passive solar home design

Passive Solar Index Home Case Study

...coatings Average R value: R5 Energy efficiency: RE 38

heat pumps in tandem with heat pump hot water tanks
Hot water

Increased efficiency with heat pumps working in tandem

...coatings. Low E coatings reduce heat loss, but they also reduce heat gain. By sacrificing that 30% of the insulation value on the south side, we were able to in...

When should you replace windows
Windows and doors

When should you replace old windows?

...Low-E coatings, even ones with a third pane if there is room for the added thickness. What the best solution is will depend on the initial state of the window...

How to choose Triple pane, high performance windows
Windows and doors

The best tips for buying windows

...coatings (Low Emissivity). This is a metallic film that is applied to windows which further determines how much heat comes in and how much goes out. Low E coati...

Wood frame Triple-glazed, argon-filled windows in the Ecohome Demo House
Windows and doors

Choosing windows - which window frame? wood v aluminum v vinyl

...Low-E coatings (low emissivity): The low-E coating on windows refers to a metal oxide film which lets the sun's rays pass through, but at night reflects infra...

Passive solar house design
Passive solar home design

Passive solar home design

...low-e coatings to ensure that the heat gained in the daytime outweighs the heat lost at night. It's important to keep in mind that passive solar heating is no...