Future Energy Oakville

Keeping Your Home Cool This Summer

Energy-Efficient Solutions for a Sustainable Future

As the warm weather settles into Oakville, it’s time to consider energy-efficient ways to keep your home cool. With rising temperatures, the demand for cooling systems can significantly impact your energy consumption and carbon footprint. 

Keeping cool doesn’t have to mean cranking up the air conditioning and facing skyrocketing energy bills. By maximizing natural ventilation and strategically using fans, you can keep your home comfortable in an energy-efficient and sustainable way.

Going Natural

Natural ventilation leverages the natural flow of air to cool your home, minimizing the need for mechanical cooling systems. This method is not only cost-effective but also environmentally friendly, reducing your reliance on electricity and lowering your carbon footprint.

Cross-Ventilation: Open windows on opposite sides of your home to create a cross-breeze. This allows fresh air to flow through the house, carrying heat out and bringing cooler air in. Ensure that doors between rooms are open to facilitate unobstructed airflow.

Cooler Times of the Day: Open windows during the cooler parts of the day, typically early morning and late evening, when outdoor temperatures are lower. This allows cool air to enter and circulate, reducing indoor temperatures.

The Stack Effect: Warm air rises and can escape through upper-level windows or vents, while cooler air is drawn in from lower levels. Opening windows on higher floors and at ground level can enhance this natural convection process, promoting efficient cooling.

Ventilated Attics and Roof Spaces: Installing attic vents or whole-house fans can draw out hot air accumulating at the top of your house, improving overall air circulation and reducing heat buildup.

Create your own wind chill

Fans are an excellent supplement to natural ventilation. They consume significantly less energy compared to air conditioning units and can be used in various ways to enhance comfort of your home.

Ceiling fans circulate air within a room, creating a wind-chill effect that makes you feel cooler without actually lowering the room temperature. To optimize their use, ensure that ceiling fans rotate counterclockwise during the summer, pushing air down to create a cooling breeze. Install ceiling fans in frequently used rooms such as living rooms, bedrooms, and kitchens. This approach allows you to feel cooler in the areas where you spend the most time.

Portable Fans: Portable fans can be moved from room to room as needed, providing flexibility and focused cooling. Place them near windows during cooler times to enhance the inflow of fresh air.

Box Fans and Window Fans: Use box fans and window fans to boost natural ventilation. Position box fans in windows facing outward to expel hot air or inward to draw in cooler air, depending on the time of day and outdoor conditions.

Combining Natural Ventilation and Fans

The most effective cooling strategy often involves combining natural ventilation and fan use. Take advantage of cooler nighttime temperatures by opening windows and using fans to draw in fresh air. Close windows and blinds in the morning to trap the cool air inside and block out heat during the day.

Use fans in conjunction with open windows to direct airflow where it’s needed most. For instance, place a fan near an open window to pull in cooler outdoor air and push warm air out through another window.

By prioritizing natural ventilation and strategic fan use, you can maintain a comfortable indoor environment sustainably and efficiently. These methods not only reduce energy consumption and costs but also contribute to a greener, more environmentally friendly home.

Outside Influence

Strategically shading your home can prevent excessive heat gain. Planting trees or installing awnings, shades, and shutters can block out the sun’s rays before they hit your windows. Exterior shading is more effective than interior blinds or curtains because it stops the heat before it enters your home. 

Landscaping can influence your home’s temperature. Incorporating native plants that require less water and provide ample shade can create a cooler environment around your home. Plant trees on the south and west sides of your home where they can block the intense afternoon sun. Ensure that they are placed at a sufficient distance from the house to avoid root damage but close enough to provide effective shading.

For immediate impact, consider using reflective films on windows, which can block out a substantial amount of solar radiation, reducing heat gain and glare.

Using natural and passive cooling methods reduces reliance on electricity, much of which is generated from fossil fuels. This helps lower your home’s carbon footprint and contributes to broader environmental sustainability.


Smart thermostats offer a way to control your home’s temperature more efficiently. These devices learn your habits and adjust cooling patterns to optimize energy use. They can be programmed to increase the temperature when you’re not at home and cool down just before you return. Additionally, many smart thermostats can be controlled remotely via smartphone apps, giving you flexibility and control over your home’s climate.

Regular maintenance of your air conditioning system is essential for optimal performance and energy efficiency. Change filters regularly, clean coils, and ensure that ducts are sealed properly to prevent cool air from escaping. An efficiently running system uses less energy and provides better cooling.

By adopting sustainable practices, you can stay comfortable without compromising the environment or your wallet.