Performance & Warranty

All weather windows

performance And technology


V-weld is technology for the elements. Offering advanced structural integrity and virtually eliminating water and air leaks, V-weld enhances windows so that they can perform their very best.

Rather than assembling combination windows by Box-to-Box modular construction or through the use of mechanical mullions—both of which can be prone to water and air leaks through improperly sealed windows—V-weld fusion-welds all of the window’s joints together, leaving no gaps, cracks, spaces or slits.

Extreme temperatures can cause the gaskets and silicone on traditional windows to expand and contract, which can lead to a separation between joints and thus air and water leaks. The V-weld technology keeps the window strongly welded together to deliver a high level of performance and superior frame integrity.

All Weather Windows is proud to be one of the first manufacturers in North America to launch the groundbreaking V-weld technology as part of our Apex window series.


No other window offers such exceptional performance in keeping the elements outside—where they belong.

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All Weather Energy Star

ENERGY STAR® is a government-backed program helping businesses and individuals protect the environment through superior energy efficiency.


The ENERGY STAR® symbol helps consumers quickly and easily identify major appliances and other energy-using equipment that save energy. Products that display the ENERGY STAR® symbol have been tested according to prescribed procedures and have been found to meet or exceed higher energy efficiency levels without compromising performance.

By choosing ENERGY STAR® qualified products, buyers save energy and money on utility bills, reduce air pollution without sacrificing the features, versatility or style they expect from high-performing products.


With our sixty seven year presence in the Canadian marketplace our windows and doors have been proudly wearing the ENERGY STAR® symbol for many years and we continue to strive to develop energy efficient products to allow our customers to save money in energy costs; while not compromising on aesthetics.

To find out more about ENERGY STAR® in Canada, please visit: http://www.nrcan.gc.ca/energy/products/energystar/about/12529

Canada has been divided into three climate zones based on annual average temperature. Zone 1 is the mildest and Zone 3 is the coldest.

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