Hollander Circa 1900™ Low-E

Our Solar 1900 low-e glass is made here in the USA and sold exclusively by Hollander Glass. A truly innovative breakthrough in the energy efficient Restoration Window Glass market. Our Circa 1900 Low-e is made in same manner as our Circa 1900, one sheet at a time by the heat cast method. However were it is truly different is that we are using as base glass a domestic Pyrolitic low-e glass.

Low-e glass is a type of treated glass that conducts visible light while limiting the passage of heat. Low-e stands for low-emissivity. Circa 1900 Low-e glass is an energy efficient way to control the heat being allowed in and out of a home or environment. Heat transferred through glass is measured by the U-factor. This is the rate at which glass conducts non solar heat flowing through it. The lower the U-factor rating, the more energy efficient the glass. Low-e glass allows visible light to pass through it while blocking heat-generating ultraviolet light, requiring less artificial heating or cooling to keep a room at the desired temperature.

Hollander Solar 1900 low-e energy efficient window glass can be used when both safety glazing and energy efficiency are required, as it temperable it eliminates the need for costly insulated and laminated units.

Product #

RG 1900E

Manufacturing Method

Hollander Process



USA Historical Period


Glass Characteristics

Light diffuse waves

Energy Efficient

Availabile Thickness


Additional Thicknesses available by request only


30” x 70” *Available in custom sizes up to 60” x 84”

Fabrication Options

Cut to size

Laminated safety

Insulated IG

Tempered (4mm and up only)

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