The Windows London Ontario Counts on for Energy Savings

Since 1957, McCallum Aluminum has sold and professionally installed the energy-efficient windows London homeowners and property managers trust. Our experienced installers offer a lifetime workmanship warranty for your peace of mind.

The Replacement Windows London Needs

We sell the finest, energy-efficient vinyl windows from North Star and Gentek®, who provide a limited lifetime warranty. You’ll enjoy reduced monthly heating and cooling bills with our Energy Star-certified vinyl windows.

In addition, you’ll increase your curb appeal and your home’s overall value with our attractive windows, which are mostly maintenance-free. Not only will you get McCallum Aluminum’s lifetime workmanship warranty, but you can also count on the manufacturer’s lifetime warranty. We wouldn’t offer our customers any less!

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Click on the brochures above for a PDF of North Star or Gentek Window Products