Windows
Series 1
The right choice ($)
Series 2
The best choice ($$)
Series 3
The choice for the future ($$$)
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Doors
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Series 1
The right choice ($)
Series 2
The best choice ($$)
Series 3
The choice for the future ($$$)
Discover the benefits of PVC
Compare PVC series
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Series - SlimLine38 ($$)
Series - MasterLine8 ($$)
Series - MasterLine10 ($$$)
Discover the benefits of aluminium
Compare aluminium series
Need help finding your way?
Find the right type of windows for you in 4 easy steps.
Need help finding your way?
Find the right type of windows for you in 4 easy steps.
Need help finding your way?
Find the right type of windows for you in 4 easy steps.
Need help finding your way?
Find the right type of windows for you in 4 easy steps.
Need help finding your way?
Find the right type of windows for you in 4 easy steps.
Series 1
Accessibility, reliability, comfort
Developed for customers seeking a reliable, high-performance product offering excellent value, the Series 1 has been the cornerstone of Isothermic's heritage for over 40 years. Continuously improved to exceed current standards, it meets all major North American certifications, including CSA, NAMI, ENERGY STAR, and AAMA. Robust, proven, and durable, this series has also earned Isothermic the Protégez-Vous recommendation in the two most recent studies.
Why choose the Series 1 PVC / Hybrid?
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01
Tested in extreme conditions
Series 1 is engineered to withstand the equivalent of one month of rainfall in just 20 minutes (203 mm), combined with wind pressures reaching up to 124 km/h.
Reliable airtightness and water resistance, even when the elements are pushed to their limits.
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02
Energy and cost-efficient performance
Series 1 helps stabilize indoor temperatures and reduce heating and cooling needs. It includes products that exceed the criteria of the most energy-efficient ENERGY STAR models, delivering enhanced comfort.
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03
Peace of mind through a durable choice
Replacing your windows is a long-term investment. Series 1 is designed to deliver consistent performance over time, through reliable materials and rigorous manufacturing. A reassuring choice, built to last.
Double or Triple Glazing
Our experts guide you in selecting the glazing best suited to your project, taking into account location, orientation, and your comfort priorities. We advise you on the type of Low-E to prioritize based on the desired solar heat gains, on glass thicknesses that can improve thermal or acoustic performance, as well as on the integration of tempered glass when required, particularly to meet guardrail-related safety requirements. Double or triple glazing is a strategic choice that influences performance, comfort, and long-term compliance.
Choice of material
An endless array of customization options
An infinite number of options, colours and finishes: to be discussed with your Isothermic expert when setting up your project.
Types of windows available in Series 1
Casement Window
Designed for maximum performance, the casement window offers exceptional sealing and efficient natural ventilation.
Awning Window
Designed for controlled ventilation, the awning window ensures excellent weatherproofing, even in the rain. Its outward opening contributes to the comfort of contemporary designs.
Sliding window
Designed to optimize space, the sliding window offers smooth ventilation and intuitive operation. Its horizontal opening promotes durability and integrates discreetly into contemporary architecture.
Hung window
Classic and efficient, the sash window offers flexible ventilation thanks to its vertical sashes, while preserving a timeless architectural aesthetic.
Fixed window
Maximizing light and visual clarity, the fixed window offers excellent thermal efficiency and superior airtightness. Without an opening mechanism, it presents a clean, architectural presence.
Architectural window
Conceived as a design element in its own right, the architectural window offers total creative freedom, without compromising on performance, comfort and durability.
Bow and Bay Window
A strong architectural signature, the arched or projecting window creates additional interior space while maximizing natural light, without compromising on comfort and performance.
Other series you may be interested in
Speak with an expert
Enjoy a free, no-obligation consultation with one of our specialists. Whether by video call or in person at one of our branches, we’re here to help you make the right choices.
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