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Winter Energy Saving Tips to Keep Warm and Cut Costs This Season

Written by: David, Founder of ZY Lighting

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Time to read 8 min

As temperatures drop and winter sets in, so do higher energy bills. Heating costs can put a strain on your budget, but there are many simple and effective ways to save energy and money without sacrificing comfort. This comprehensive guide will provide you with 15 practical tips to keep your home warm and cosy all winter long, from your heating system to making small changes to your daily habits.


We'll explore how to seal air leaks, maximise insulation, and take advantage of natural heat sources. You'll learn how to adjust your thermostat, use space heaters wisely, and even how your choice of lighting can impact your energy usage. By implementing these energy-saving tips, you can reduce your environmental impact while enjoying a warm and inviting home throughout the winter months.

Optimise Your Home's Heating System

Your heating system works hard all winter to keep your home warm and comfortable. You can reduce your energy costs this winter by making your heating system more efficient.

Optimise Your Home

Schedule Annual Heating System Maintenance

Regular maintenance is essential for keeping your heating system running efficiently. Consider scheduling an annual check-up for your system each fall before you need to use it. During a professional inspection, a qualified technician will inspect your furnace for potential problems, clean key components, and ensure it's in good working order. This can help prevent unexpected breakdowns and ensure your system is running at peak efficiency.

Replace Furnace Filters Regularly

Your furnace filter traps dust, dirt, and other airborne particles, preventing them from circulating in your home and potentially damaging your HVAC system. A dirty air filter restricts airflow, forcing your furnace to work harder and use more energy. Replacing your furnace filter regularly is an easy and inexpensive way to improve your heating system's efficiency. Check your filter monthly and replace it at least every three months during the heating season.

Adjust Thermostat Settings

Adjusting your thermostat settings is one of the easiest ways to help you save home energy in the winter. Lowering your thermostat by even a few degrees can make a noticeable difference in your energy bills this winter. The U.S. Department of Energy states that you can save up to 10% on heating costs by turning your thermostat down 7–10 degrees for eight hours each day. Consider programming your thermostat to lower the temperature at night or when you're away from home.


A programmable thermostat can automate this process, making it even easier to lessen energy use. Smart thermostats take this a step further by learning your habits and preferences, and automatically adjusting the temperature for optimal comfort and energy savings.

Improve Home Insulation and Seal Air Leaks

Improve Home Insulation and Seal Air Leaks

Creating an effective barrier against the cold is key to saving energy in winter. Heat naturally flows from warmer areas to cooler ones, and during the winter, this means your home is constantly losing heat to the outdoors. You can reduce your heating costs significantly by improving your home's insulation and sealing any air leaks. 

Weatherstrip Windows and Doors to Reduce Heat Loss

Start with your windows and doors, as these are common culprits for heat loss. You can quickly identify drafts by holding your hand near the edges of windows and doors on a windy day. If you feel cold air seeping in, it's time to add weatherstripping. Weatherstripping is an inexpensive material that seals the gaps around doors and windows, preventing warm air from escaping and cold air from entering.

Insulate Windows with Plastic Film

For added insulation, consider applying window insulation kits. These kits typically consist of clear plastic film that you apply over your windows. The film creates an additional barrier against drafts and helps prevent heat loss through the glass.

Add Insulation to Attics and Walls

Proper insulation in your attic and walls is crucial for energy efficiency. Insulation acts as a barrier, slowing down the transfer of heat. If your home has insufficient insulation, you'll end up spending more on heating to compensate for the heat loss. Consult with a professional insulation contractor to determine the recommended insulation levels for your home and climate.

Seal Air Leaks in Attics and Basements

Air leaks in your attic and basement can significantly impact your home's energy efficiency. Common air leak locations include gaps around plumbing pipes, electrical wiring, and ductwork. Use caulk or weather-resistant sealant to seal these gaps and prevent warm air from escaping.

Utilize Natural Heat Sources

Harness Sunlight Through Windows

During the day, open curtains and blinds, especially on south-facing windows, to allow Utiliset to naturally heat your home. This free source of heat can significantly reduce your reliance on your heating system. For example, imagine a sunny winter afternoon. By opening your curtains, you allow the sunlight to stream in and warm up your living room, reducing the need for your heater to work as hard.

Harness Sunlight Through Windows

Use Curtains Strategically

While sunlight is beneficial during the day, it's essential to trap heat at night. Close your curtains or blinds after sunset to prevent heat loss through windows. Consider using thermal curtains or blinds for added insulation. These specialised curtains have a thicker lining that helps prevent heat from escaping, keeping your rooms warmer for longer.

Recycle Heat from Appliances

Don't let the heat generated by your appliances go to waste. After using the oven or dryer, leave the doors slightly ajar to allow the residual heat to warm the surrounding space. For instance, after baking a batch of cookies, leave the oven door open for a few minutes to allow the warmth to spread into your kitchen. Similarly, after doing a load of laundry, leave the dryer door open to release the heat into your laundry room.

Adjust Personal Habits for Energy Efficiency

Dress Warmly Indoors

One of the simplest ways to save energy in winter is to dress warmly indoors. By wearing sweaters, slippers, and other warm clothing, you can feel comfortable at a lower thermostat setting. Every degree you lower your thermostat can save you money on your heating bill, so even a small adjustment can make a difference.

Dress Warmly Indoors

Use Space Heaters Wisely

Space heaters can be an efficient way to heat a single room or area, but it's important to use them wisely. Only use space heaters in occupied rooms and turn them off when you leave. Consider investing in energy-efficient space heaters with safety features like automatic shut-off.

space heater

Close Off Unused Rooms

If you have rooms in your home that are rarely used during the winter, close the vents and doors to those rooms. This will prevent your heating system from working to heat unoccupied spaces, saving you energy and money.

Use Energy Efficient Lighting

Switch to LED Bulbs

Switch to LED Bulbs

One of the best ways to save on energy is to switch to LED bulbs. LED bulbs use significantly less energy than traditional incandescent bulbs, generating the same amount of light while consuming less electricity. This switch can lead to noticeable savings on your energy bills over time.

Use Smart Plugs for Holiday Lights

Holiday lights bring joy and warmth to winter, but they can also contribute to higher energy they'reif left on for extended periods. Using smart plugs for your holiday lights allows you to set schedules for when they turn on and off automatically. You can program them to illuminate during specific hours or even sync them with sunrise and sunset times, ensuring their only on when needed and saving energy when they're not.

Some of our Favourite Kitchen Lights

Conclusion

By implementing the energy-saving measures outlined in this article, you can significantly reduce your energy consumption during the winter months. From optimising your heating system to making simple behavioural changes, each step contributes to optimising, more energy-efficient home.


Remember that even small adjustments can make a difference in your energy bills and your environmental impact. Embrace these tips to help you stay warm, save money, and reduce your carbon footprint throughout winter.

Frequently Asked Questions

How much can I save by lowering my thermostat in winter?

You can save up to 10% on your annual heating and cooling costs by lowering your thermostat by 7–10 degrees for eight hours a day.

Are space heaters more energy-efficient than central heating?

Electric space heaters can be more energy-efficient than central heating for heating a small, closed-off area for a short period. However, they are less efficient for heating an entire house compared to a natural gas furnace or heat pump.

How often should I have my heating system serviced?

You should schedule a professional inspection and service for your heating system every year before the heating season begins.

What's the most cost-effective way to insulate my home for winter?

Adding insulation to your attic is a cost-effective way to reduce heat loss, especially in older homes. You should also seal air leaks around windows, doors, and in the basement.

Can closing off rooms really save energy in winter?

Yes, closing off vents and doors to unused rooms prevents you from wasting energy heating unoccupied spaces.

How do I prevent frozen pipes in winter while saving energy?

You can prevent frozen pipes while saving energy by insulating your pipes, especially those in unheated areas like basements and crawl spaces. Set your thermostat to a safe temperature, even when you're away, and allow a trickle of warm water to run from faucets during extremely cold weather.

Are smart thermostats worth the investment to lower energy usage?

Yes, smart thermostats can save you money on your energy bills by automatically adjusting temperature settings for optimal efficiency based on your schedule and preferences.

What's the ideal temperature to set my thermostat in winter to lower my energy bill?

The ideal thermostat setting for energy savings is 68°F (20°C) when you're home and awake, and 60–65°F (15–18°C) when you're away or asleep.

How can I reduce drafts from my fireplace when it's not in use?

Keep the fireplace damper closed when not in use to prevent warm air from escaping up the chimney. If you never use your fireplace, consider plugging and sealing the chimney flue.

The Author: David, Founder of ZY Lighting

David, founder of ZY Lighting based in Hurstville, Sydney, brings 15 years of expertise in the lighting industry. His passion for illuminating spaces combines innovation and aesthetics, creating memorable experiences for all his customers and clients.

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