Why Four Seasons?

Sierra Sunrooms Inc. was established in 1987 to distribute Four Seasons Sunrooms products in the Ottawa-Gatineau region. Over the past 26 years, it has evolved as the leading builder of glass roof sunrooms in the this region. Here’s why

We have the best products!  Founded in 1975, Four Seasons Sunrooms is the world’s largest manufacturer of glass roof sunrooms. With over 350 locations in North America, it is recognized as the industry leader and innovator in the sunroom industry.  Products are manufactured in the US and Ontario.

We have the best selection!  Four Seasons Sunrooms produces an extensive line of sunroom products including aluminum and laminated wood beam construction. We offer over 12 different models including curved, straight eave, and cathedral sunrooms as well as elegant Victorian and Georgian style conservatories. Other products include screen rooms, patio shade rooms, pergolas., and windows

We have the best glass and glass warranty in the sunroom business!  Unlike many sunroom companies, Four Seasons glass is made for specifically for sunrooms.  Most sunroom companies use glass that is manufactured for window installations.  Our sunroom glass includes “stay clean technology”, is tempered, is designed to keep you warm in winter, and will significantly reduce heat gain in summer.  Our transferable glass warranty includes 100% coverage against seal failure and breakage for a full 20 years with additional coverage beyond the first 20 years.

Sierra provides a complete turnkey service including design, architectural drawings, engineering, securing building permits, and complete project coordination and installation from start to finish. We have a dedicated service team and we service both the commercial and residential markets.

Customers can purchase from Sierra with full confidence that our sales staff is fully trained, has many years of experience, and is fully capable of providing the design perspective and product information and advice you require to assist you in making the right decisions.

Sierra is backed by a skilled staff of fully trained, experienced, and professional installers ready and capable of meeting the most rigid and exacting standards of each installation.  Most of our installers are hourly employees and are not hired on a contract basis.