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How doors and windows affect your home's energy consumption

Category :
Sustainability
Author :
John D.

1. The impact of openings on thermal insulation

Energy losses linked to openings

Doors and windows are critical elements in the energy balance of a home. Poor insulation at these entry points can account for up to 25% of heat losses during the winter. In summer, these same openings can let in excess heat, increasing dependence on air conditioning.

Choosing high-performance insulating materials

To optimize energy performance, it is essential to select models with high thermal efficiency. Double or triple glazed windows, filled with inert gases such as argon or krypton, are particularly recommended. Likewise, insulated core doors, often made of polyurethane foam, significantly limit heat loss.

The importance of the choice of materials

The materials that make up the frames are also decisive. PVC, fibreglass, or aluminum-clad wood offer much better thermal resistance than raw wood or uninsulated aluminum. These materials prevent thermal bridges, which are responsible for condensation and energy losses.

 

2. The importance of energy certifications

ENERGY STAR and other quality benchmarks

Certifications like ENERGY STAR ensure that doors and windows meet strict energy efficiency standards. Adapted to the harsh climate of Quebec, they ensure that products are tested to maximize performance in any season.

Analyzing performance indexes

Indicators such as the U coefficient (thermal transmission), the SHGC (solar gain) and the VT (light transmission) make it possible to evaluate the performance of a product. Choosing openings that are balanced between natural light and thermal performance improves interior comfort while reducing energy costs.

Government grants and incentives

Opting for certified products can also open the door to grants offered by programs such as Énergir or Transition Énergie Québec. These financial aids make it easier to amortize the initial investment by making renovation more accessible.

 

3. The role of windows in thermal and acoustic comfort

Improving sound insulation

Modern windows play a crucial role in reducing noise pollution, especially in urban areas or near major roads. The addition of acoustic glazing, such as laminated or asymmetric glass, contributes to greatly improving daily comfort.

Waterproofing and caulking

A good caulking system around windows is essential. Improperly installed joints can cause air or water to enter, generating humidity, mold and excess energy consumption. It is therefore crucial to ensure that the installation is compliant and accurate.

Complementary technologies

Solutions such as insulating interlayers, solar films, and reflective coatings can further improve the performance of windows, limiting the effects of overheating or glare without compromising brightness.

 

4. Investing in quality openings: a sustainable and profitable choice

Long-term profitability

Even though high-performance doors and windows cost more to buy, they offer significant savings in the long run. Discounts on heating and air conditioning bills can be up to 30%, making this investment quickly pay off.

Real estate valuation and increased comfort

Beyond savings, these renovations increase the resale value of the property, while improving living comfort. A well-insulated home is more attractive for buyers, especially in a context of energy transition.

A professional approach with Confort Prestige

By working with a company like Confort Prestige, owners benefit from personalized advice, a choice of quality products and an installation that meets standards. It is a guarantee of sustainability, performance and peace of mind.

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