Vertical Sliding Window / Single Hung Windows open vertically without consuming much space. They are great options when exterior space is a concern. Spring balances at either side of the lower sash allow for smooth operation up and down. In Single hung windows only the lower portions move, meaning that the top pane of glass can be larger allowing more natural light to be captured. Single Hung windows are extremely popular because they are easy to operate and are affordable.
Multi-chamber frames and sashes with fusion-welded corners
Dual weatherstripping ensures a tight seal against drafts to help reduce heating costs and outdoor noise
Double Glazed 3/4” and Triple Glazed 1-3/8” overall thickness
Constant tension balance for smooth, even and uniform load through entire length or travel
Metal reinforced mullion
Easily removable bug screens from inside or outside
Tested to NAFS and QAI certified for Energy Performance
Energy Star certified
Deflection head channel to accommodate inter-storey drift
Compensating jamb channel to accommodate seismic movement
Available in high performance double or triple glazed, including the latest in spacer technology
Our standard high-performance Low-E insulating glass lowers energy costs, helps homes stay cooler in the summer and warmer in the winter, reducing the fading of interior furnishings and condensation. It also delivers greater visible light transmittance than tinted glass.
Add architectural interest to your windows with our divided lite options. These options include simulated divided lites (SDL) for an authentic look. They feature grilles that are permanently attached to both the interior and exterior glass and optional shadow bars that are placed between the two panes of insulating glass to provide design detail.
Grilles are available in 7/8″ widths in several grille patterns. These grilles are available in the color that matches the exterior color of the window you choose.
Laminated glass is a type of safety glass that holds together when shattered. In the event of breaking, it is held in place by an interlayer, typically of polyvinyl butyral (PVB), between its two or more layers of glass. The interlayer keeps the layers of glass bonded even when broken, and its high strength prevents the glass from breaking up into large sharp pieces. This produces a characteristic “spider web” cracking pattern when the impact is not enough to completely pierce the glass. Laminated glass is normally used when there is a possibility of human impact or where the glass could fall.
Tempered glass is a type of safety glass that has increased strength and will usually shatter in small, rounded grains instead of jagged shards when broken. It is used when strength, thermal resistance and safety are important considerations. In residential applications it’s mainly found in bathrooms, patio doors and fixed lites adjacent to doors. Toughened glass is typically four to six times the strength of annealed glass.
Obscure Glass Options
Obscure glass is used primarily to obscure views while still allowing in light. These glass options are typically used in bathrooms and other rooms where privacy and light are desired.
Delta Sandblast Glass is a moderately obscure glass with raised lines that mimic the look of cracked ice on a frozen surface.
Satin is an obscure glass with moderate privacy that has a smooth, sating look.
Rain is a directional pattern that gives the appearance of a waterfall.
Pinhead Obscure Glass is the most common and economical option.
Flute Obscure Glass offers an obscured view with modern architectural appeal. This style is great for kitchens, laundry rooms, offices and any room where a stylish touch and light are wanted, but not full visibility.
NAFS-17 and CSA A440S1-19
Performance Class/Grade: LC PG30
Air Infiltration/Exfiltration: A3
Water Penetration Resistance: 510 Pascal (10.5psf)
Positive Design Pressure: 1440 Pascal (30psf)
Negative Design Pressure: -1440 Pascal (-30psf)
Energy Performance CSA A440.2-19
U value: 1.00 to 1.67 W/m2-K
Solar Heat Gain Coefficient (SHGC): 0.20 to 0.53
Energy Rating (ER): 18 to 40
Visual Transmittance (VT): 0.45 to 0.62
Energy Star Most Energy Efficient 2021: Yes
Choose from a standard pallet or go for true custom match to suit your style. Our water borne pvc paint is engineered to permanently bond to the frame providing lasting durability and colour fastness.
“From start to finish, A1 Windows did an excellent job. The work performed to install two new sliding doors for our home was tremendous and was a total A1 team effort! The final product was exactly what we were looking for, all at a very competitive price! We felt the experience exceeded our expectations and would happily recommend or contact them again for any future projects on our home. Great job, guys! :)”
– J H
“We were happy with the service, communication, and follow-through. The salesperson we spoke to was informative and took the time to recognise our needs and provide various options. The installers were careful in removing the existing windows and cleaned up thoroughly after installing the new replacement windows. Our experience has been stress-free due to the exceptional customer service, and we would use them again for future home renovations.”
– J L
“I don't regularly submit reviews; however, I felt compelled to share that I thought that the crew were outstanding. They arrived early and were polite. They took great pride in their work as they were very thorough, regular communication and answering any questions we had, super professional. I cannot stress enough how refreshing this was, from the beginning of the installation to the end.”
– S L
“Renovations are a stressful and overwhelming task to undertake. You don’t know when things will go south and really need to be able to depend on the people you’ve chosen to help you. If you select Windows A-1 for your renovation, you will not be disappointed.”
“We are impressed with the product, installation and crew. In this day and age, we are quick to criticise but forget to praise when everything goes well. The crew were efficient, fast and left everything spotless. The cost was as budgeted and the work completed on time. Besides making our home incredibly warmer, we have really noticed how much quieter it is. The street noise has decreased immeasurably.
We would be happy to recommend your company to potential customers and have already done so with the neighbours and friends.”
– B & C.C
“Your installation crew were totally about the business at hand and worked very hard in the course of the day. We are more than happy with the results!
We would have no hesitation recommending you or your firm to others!”
– M & R
“It is difficult to express our gratitude to all the kind people at the A-1 Window Mfg. Ltd. who came to our assistance. This was truly the ultimate in customer service. We always have & will definitely continue to recommend you to any and everyone who is thinking about replacing their windows!
You are the best! Thank you!”
– V & DG
“I wanted to let you know how happy we are with our windows. We have had numerous compliments about how good they look. Also, the installers were excellent and did a fantastic job cleaning up.
At this time, we would like to express our satisfaction with the design and construction of the bay/skylight. Please express our appreciation to your design and technical staff for their diligence and efforts on our behalf.”
“We were looking to replace our windows and patio door as they are quite old, so we hired this service after seeing good reviews about this company on the internet. They started work as soon as they arrived and they worked fast and efficiently. We are very pleased with the result; thank you, Mandip and Aman!”
“Where other companies were just giving quotes over the phone, Rob from A-1 Windows agreed to give us an in-person quote. His personalised approach and excellent customer service were one of the main reasons why we decided to go with them. Mani and Ranjit were very considerate and professional and did an excellent job installing our two windows. They were careful to protect our flooring and did a thorough clean-up afterwards. COVID-19 protocols were followed, and they were in and out in record time. Overall, we are very happy with the price, the work, and our decision.”
“I wanted to take the time to thank everyone at A1 windows for their excellent product and service. They showed up on time and left my home clean with beautiful, professionally installed windows. Their attention to detail and the efficient way they worked was a pleasure to see. Everyone I worked with at A1 windows was a pleasure to deal with. I could not be happier with the people or the product.”
– W U
“Jatin, Mandeep and Ryan came to my house today to install 19 windows. They have done a superb job! They have worked efficiently and quickly, finishing the entire job in one day. They have been very pleasant and easy to work with. They have also done a great job cleaning up afterwards. My house looks like new again! I heartily recommend A1 Windows and this amazing team. Thank you, Randy, Robert - who did all the measurements and had infinite patience - and all those at A1 Windows!”
– A M M
“Very good service from A-1 Windows! They made sure my place is clean after finishing up the job and followed COVID protocols wearing masks which made me feel safe.
I definitely recommend their services to anyone looking to install new double glazed windows at their place! 5/5!”
– T Q.
“Friendly, clean, great attention to detail and pride in their work. Thoroughly checked everything to be sure that the work was top notch. The new windows don't have the drafts or cold feel of the old ones - highly recommend.”