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According to the Farmer’s Almanac, it’s shaping up to be a rough winter in Alberta. They’ve already dubbed it the “polar coaster” winter.

With a lot of highs and lows headed our way in the Edmonton area (following a rough summer), we deserve as much comfort as our homes can offer. Keeping warm and saving money on gas bills is always nice when the furnace runs almost constantly.

If you have a heated attached garage, you know it’s harder to keep warm air in and cold air out than just about any other place in your home (except maybe the basement). After all, it’s one of the largest access points in your home.

Keeping your garage warm throughout the winter months with a new door from Amarr garage doors could save you money in the long run. One of the main reasons we install Amarr doors is because we know they’ve been designed to stand up to cold winters.

You Know About R-Value, But What Are the Other Factors?

When it comes to insulation, everyone wants to talk about R-Value. While it’s important, it’s not the only factor in whether a door will stand up to heat transfer. There are a few other reasons to choose a specific door for life in Alberta. Let’s walk through the two types of “value” a door’s insulation comes with:


R-Value is the thermal resistance to heat flow. R-Value is measured in each of the different components of a door (such as the insulation layer). R-Value is measured in a lab under ideal conditions and does not take other real-life factors into account.

A common misconception about R-Value is that doubling it also doubles the thermal properties of a door. That’s not true. A door with an R-32 rating is not twice as insulated as an R-16. In fact, the improvement in overall energy efficiency for an R-32 vs an R-16 is only 2%.


The U-Factor of a garage door is a measure of the thermal heat transmittance. It’s determined by testing the heat transmittance allowed by the entire installed door. This means that when you’re testing for the U-factor of a door, you’re also testing for other aspects of the door’s installation, including joints, air spaces, windows, and weather seals.

Style of Door & Areas of Insulation

Different types of garage doors may be designed with varying thicknesses of installation in their different sections. Amarr garage doors have a layer of insulation between the outer steel panels, but different styles may have additional insulation where the design changes in depth. This is one of the top reasons we’ve decided to work exclusively with Amarr. They offer the best garage doors for Alberta’s harsh weather conditions.


Although the R-value of a door can tell you how much thermal transfer occurs through the middle of a door, it won’t tell you how much air is coming in from leaks, cracks, and gaps in your install (or in areas like windows).

There are easy-to-install garage door insulation kits you can buy at your local hardware store to bolster your current insulation panels. But if you’re finding there’s major heat transfer or rooms around your garage are cooler, it’s worthwhile to replace the door and have it professionally installed. Insulation kits are a cheap alternative, but they’re cheap because they don’t have the full effect of an insulated door.

If you’re looking for a family-owned and operated garage door company that’s willing to walk through the insulation with you, C&W Canada Garage Doors is ready to help. Let’s give your garage heater a break and save you some money.

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