MaisonsMulti-logements[ HÔM ]

QUALITY YOU CAN TRUST

THE LORENDO QUALITY

DOORS AND WINDOWS
HIGH PERFORMANCE Energy Star® DOORS & WINDOWS
Lorendo High Performance doors and windows are Energy Star® certified, a symbol of excellence in energy efficiency. To display the Energy Star® logo, products had to undergo a series of tests in accordance with prescribed federal government procedures certifying that Lorendo windows comply or exceed Canadian energy efficiency standards.

Energy Star® doors and windows save energy. They help maintain your comfort throughout the year. In winter, they help keep you warm, in summer, cool. They help reduce external noise. And, depending on the humidity level in your home, they may show much less condensation on the thermal glass in cold weather.
Contact us
lorendo_energystar_performanceicone energie star lorendo
lorendo-heavy-duty
ELEVATES INDUSTRY STANDARDS
OUR NEW ADVANCED HEAVY-DUTY TECHNOLOGY
Discover our new all PVC profile with superior rigidity, robustness and performance. With this new HEAVY-DUTY Series, Lorendo all PVC windows exceeds current industry standards. Indeed, its effectiveness lies in the thickness of its external structural frame of 2.2 mm. An exclusivity developed by Lorendo, this profile is the thickest on the Quebec market to date. It is stronger and more rigid which makes it more efficient and more durable!

Like our other Lorendo high performance profiles, it is Energy Star® certified and in addition, it is comes with a lifetime limited warranty * (white PVC window)! The HEAVY-DUTY profile is suitable for casement and awning windows and is available in a choice of 2 window profiles: the contemporary and the classic profiles.
Discover in store
OPTIMAL AIR & WATER TIGHTNESS
Our exclusive Heavy-Duty PVC profiles are resistant to water, rain, thunderstorms, humidity, ice, wind and more…
ANTI-INFILTRATION DESIGN
ANTI-INFILTRATION
DESIGN
Our exclusive Heavy-Duty PVC windows are made of 3 high-tech extruded and welded PVC profiles. Thanks to an integrated anti-infiltration design, our system of 4 ENERMAX weatherstrips (2 of which are coextruded on the PVC profile and then welded together with the PVC frame) ensures optimal long-term air & watertightness as well as thermal performance.
PERFORMANCE
PERFORMANCE
- Tested at -30°C, -40°C, -50°C and -60°C and under different temperatures and climatic conditions to demonstrate their resistance to harsh conditions.

- Tested at 500, 1000, 1500, 2000 and up to 4500 opening and closing cycles.

- Tested in accordance with the current Québec Building Code NAFS-08 standards & the 2010 Canadian Building Code AAMA / WDMA / CSA / 101 / I.S.2 / A440 and complied with ASTM D4726 standards.
Certification
Certification
Certified PVC-AAMA-303, meaning they have passed the weatherability, impact resistance, crack resistance, tensile strength, resistance to temperature changes and linear expansion coefficient tests.
SUPERIOR INSULATION
EXCLUSIVE DESIGN
MULTI-ROOM
Absorbs pressure variations and remains stable.
Our Heavy-Duty PVC profiles and multi-air chamber configuration are robust and designed to absorb pressure variations caused by temperature differences between the outer and inner regions of the window. Lorendo High Performance windows remain stable, do not warp and do not crack in large temperature changes such as heat and cold.
ARGON GAS INSULATION +
STAINLESS STEEL AIR FRAME
Minimizes condensation, ice formation and resists corrosion.
Lorendo high performance windows are equipped with sealed glass units combining Argon gas and the stainless steel air spacing frame system INTERCEPT™, an open U profile renowned for its incomparable strength, durability and corrosion resistance. This spacer does not have notched corners, making it the most resistant in the industry and ensuring the most reliable thermal performance in terms of argon retention with a less than 0.1% rate of loss annually. Because of greater flexibility during major temperature variations found in Quebec, it remains airtight, minimize condensation, absorb humidity and resist corrosion.
LOW-EMISSION
INSULATING GLASS
Keep warm in winter and cool in summer.
Lorendo high performance windows are equipped with SUNGATE ™ 400 Low-E insulating glass with low emissivity. This high quality glass combines the energy performance and comfort characteristics needed for the cold regions of Quebec and North America. This high performance glass effectively stores heat, which reduces your heating costs. It keeps you warm on cold winter nights and cool on hot summer days.
sTRUCTURAL PERFORMANCE
THE RIGIDITY AND ROBUSTNESS OF OUR FRAMES
The frames of our Lorendo doors and windows are strong, sturdy and efficient. Our anti-twist PVC jam extensions and frame systems are designed to stay rigid during maneuvers. They therefore facilitate the installation process and minimize adjustments making you save time and money in your project! Our frames are available in several types and depths 4-1/2 ”, 5-5/8 ” and 6-9/16 ”. Our jam extensions are offered in several options: pine, jointed pine, wood covered with PVC.
make an appointment
Lorendo-blanc-2020
We manufacture a wide selection of Energy Star® doors and windows in a variety of colors, sizes and options to meet your most demanding requirements in terms of style, comfort, performance and energy savings.
© Lorendo Portes & Fenêtres inc., 2020. All rights reserved. R.B.Q.: 8340-3691-33 | Website design by TactikMedia
Legal notices