Energy Efficient Windows & Doors - Installation & Replacement

Saving energy means saving money. An investment in Landmark Windows means more money in your pocket. Ordinary glass allows heat to pass through it, and this means that in the winter, heat escapes from your home and in summer, hot air gets in.We use a special coating to minimize heat flow, keeping warm air in during winter, and keeping your home cool in summer. We also offer certain glazing options. Through the combination of both of these, Landmark will provide a 40% energy savings guarantee.Our window technology is the basis of our company, and allows us to easily back up our work with the best warranty in the business. We stand behind our work, and can say with confidence you will not find a better window for your home.Our unique window insulation process ensures that Landmark Window Systems will protect your home from drafts and help you save substantially on your energy bills. Replacement windows done with our unique construction process will create a more comfortable home and real energy savings.By investing in Landmark Windows, you are truly investing in your future. Window replacement with our Energy Star windows means more money in your pocket. Ordinary windows can be drafty and cause your energy bills to go sky high. By allowing us to install energy efficient windows in your home, you will be able to watch your bills go down dramatically.Because of our window technology, we are able to back up our work with the best warranty in the business. We know our top quality windows are the best, so when you’re ready to improve the energy efficiency of your home and save big on your energy bills, let Landmark Home Solutions come to the rescue.

Energy Efficient Doors & Windows chart00

Request Information



How long will the new windows and doors last?

They will last the lifetime of your home. With our hands down best in the business warranty we stand behind our promise to ensure you peace of mind. No fine print and fully transferable to... Read More

View All

We were satisfied with the installation work area was cleaned up and installers were friendly and knowledgable for the installation the only issue that we had was the finish causing on the outside... Read More

-John Leonard and Linda T
View All

Do You Need Gutter Protection?

We can’t control the weather, and when it rains heavily, it’s hard to control where the water goes. If the water gets into the wrong places, it can cause a lot of damage to our… Read More

View All


Click for the BBB Business Review of this Windows in Thorold ON
Sign up to receive special offers and promotions from Landmark

© 2018 Windows & Doors Installation Company - All Rights Reserved.