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Windows and Doors Energy Performance

Windows and Doors Energy Performance

by erez | Jul 11, 2023 | Doors, Energy Efficiency, Windows

Windows and Doors Energy Performance

The Canadian test standard for the energy performance of windows, doors and skylights is the CSA A440.2. Some products sold in Canada may also be tested to the United States standards of the National Fenestration Rating Council (NFRC) (100 and 200 standards). Tests are performed using standard sample sizes to fairly rank their overall structural and energy performance. Frequently, the energy efficiency ratings are derived by using computer software developed specifically for fenestration products.

Currently, testing the energy performance of factory-built windows, doors and skylights is mandatory in in Ontario, British Columbia and Nova Scotia.  Windows, doors and skylights in British Columbia and windows and sliding glass doors in Ontario – Hamilton, Guelph, Kitchener – Waterloo and area must meet a minimum efficiency standard.  The values that are most often used in Canada to represent the energy performance of windows, doors and skylights are the following.

U-value :- Indicates the rate of heat transfer from warm to cold areas in watts per square metre Kelvin (W/m2*K) or British thermal units per hour per square foot Fahrenheit (Btu/h*sq. ft.*°F).  The lower the value, the slower the rate of heat transfer.

R-value :- This value is the opposite of the U-factor and is not part of the energy performance standards.  It indicates the resistance to heat transfer in square feet per hour in Fahrenheit degrees of temperature per British thermal unit (sq. ft*h*°F/Btu). The higher the number, the higher the resistance to heat transfer.

Solar heat gain coefficient (SHGC) :- A ratio indicating the amount of the sun’s heat that can pass through the product (solar gain). The higher the number, the greater the solar gain.

Energy rating (ER) :- For windows and doors only, this unitless number reflects the balance between heat transfer (U-factor or U-value), solar gain and air leakage. Higher numbers indicate a slower heat transfer without significantly reducing the amount of solar gain.

Visible transmittance (VT) :- A ratio that indicates the amount of visible light that can pass through the product. The higher the number, the more visible light that can pass through.

We’re proud to be the premier vinyl windows and doors company for residents of Hamilton, Guelph, Kitchener, Waterloo and all surrounding communities.
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Replacing Windows and Doors Among Your Home Improvement Priorities

Replacing Windows and Doors Among Your Home Improvement Priorities

by erez | Jul 10, 2023 | Windows

Replacing Windows and Doors Among Your Home Improvement Priorities

First and foremost remember:  renovation is not a TV set or even a car, even if it doesn’t cost as much, though usually it does.  You don’t order it off the shelf.  It is a big investment and a process – the final product is being built in front of you, and you MUST actively participate in the action.

Prepare to do quite a bit work if you want to ensure your expectations are met:

1. Take a detailed inventory of your home (getting a professional home inspector’s report is generally a good idea) and list all the areas of concern or need/wish for an upgrade.  Here is the way to group and prioritize your concerns:

a. Safety / structural integrity

b. Functionality / efficiency

c. Looks / Added Value / Return on investment (it’s important to know the difference)

It doesn’t make sense to upgrade your furnace until you make sure your windows and doors are OK.  Likewise, it makes no sense to replace kitchen appliances when your wiring is so old messed up that it’s a fire hazard.  You don’t get to enjoy the line “c.” if “a” and “b” got ignored.

2. Educate yourself on what is it you are building;  research the products/technologies and their respective vendors – quality, pricing, turnaround times, seasonality, warranty, customer references, etc.;

3. Budget.  The reality is, budget is often the factor that dictates which projects are tackled first when the choices should be driven by the priorities in the p.1 above.  Pick whatever you can afford, but only go top-to-bottom in that list when picking. Otherwise, you’re wasting your time and money.
Depending on how much time and what skills you have, you can earmark certain projects for DIY, but only those which promise the biggest savings for your time and effort.  Don’t touch the projects, where product is warranted if only professionally installed, or special tools, certification or safety gear is required.

4. Plan everything – things take time to be manufactured and installed, besides they come in sequence, e.g. framing and floors – first, doors – second;

5. Coordinate everything between the vendors, your service providers (utilities, security, landscaping etc.) and your family – make sure all service interruptions are scheduled, each stage is over some time before the next one is due to commence, and someone is always on site to oversee the work being done;

6. Follow up on your plan, and make sure you get what you paid for in a timely fashion.

Replacing windows and doors consistently makes the top 5 on the most popular renovation list ratings compiled by the realtors, mortgage specialists and reno market researchers of all sorts.  No wonder. Replacing windows and doors adds a lot of value and comfort to any home.   Windows and doors get high on the list of priorities, offer solid return on investment and are quite affordable – all kinds of flexible consumer financing plans are readily available.  In a sense, energy efficient windows and doors pay for themselves – energy savings due to improved efficiency are comparable to the interest one would pay on the financing such a project, so delaying it only to save money simply does not make sense.

Benefits to the modern vinyl windows compared to what was available a decade ago are plenty:

· They let much more visible light in while blocking the harmful ultraviolet and infrared radiation out;

· They conserve energy, by conducting much less heat;

· They are more watertight and airtight, therefore reducing the drafts and blocking the ambient noise much better;

· They require no maintenance – no need to paint every so often or patch up the seals.

All in all a modern age windows and doors provide a lot more comfort and style while reducing the total cost of ownership and adding value to a home.

We’re proud to be the premier vinyl windows and doors company for residents of Hamilton, Guelph, Kitchener, Waterloo and all surrounding communities.
Call Us 905-233-2320

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