Ten Ways to Make Your Home More Energy Efficient

Joe Brennan
Apr 14, 2025

With rising energy bills and growing concerns about the environment, we’re all on the lookout for smarter, more sustainable ways to live. The good news? You can tackle both issues at once by making small changes that really add up.

In this guide, we’ll walk you through ten ways to make your home more energy efficient—helping you cut costs and reduce your carbon footprint at the same time.

These practical tips are easy to follow, low-cost (or even free), and great for the planet. Let’s get into it!

Ten Ways to Make Your Home More Energy Efficient

These are the ten ways to make your home more energy efficient:

1. Install a Thermostat

If your home doesn’t already have one, a thermostat is a must. It helps maintain a consistent temperature and prevents unnecessary heating.

Small change, big result: lowering the temperature by just 1°C could reduce your heating bill by up to 10%, according to the Sustainable Energy Authority of Ireland.

If you’re looking to go a step further, consider a smart thermostat. These can learn your schedule and adjust the heating or cooling automatically, ensuring you're not wasting energy when you're not home.

2. Check for Energy Labels

Not all new appliances work equal—some are far more efficient than others. Always check the EU Energy Label before buying. It tells you how efficient the product is, ranked from A (most efficient) downwards.

If the label isn’t on the item, ask the retailer. Choosing ‘A’ rated appliances means lower running costs and less energy use over time.

Whether it's a washing machine, fridge, or even a toaster, going for energy-efficient models can make a big difference in your energy consumption.

3.  Switch Off Lights When You Leave the Room

It’s one of the easiest energy-saving habits to build—and it works. Turning off the lights when you’re not in a room helps cut down on energy use and makes your bulbs last longer.

It only takes a second but adds up to real savings over time. Plus, it’s a great habit to instill in your family, especially with the kids.

4. Switch to Energy-Saving Bulbs

Traditional bulbs use a lot of energy and burn out quickly. LEDs and CFLs might cost a little more upfront, but they use up to 85% less electricity and can last up to 12 times longer.

When you consider how many lights you have at home, the savings really add up—on both your bill and your carbon footprint.

Plus, LED bulbs are available in a variety of brightness levels, so you can still get that perfect glow without wasting energy.

5. Turn Appliances Off at the Switch

TVs, laptops, consoles—many devices still use energy even when they’re on standby. Make it a habit to switch them off completely when not in use.

The same goes for chargers—if your phone or tablet isn't plugged in, unplug the charger too. Even idle, they continue to draw power.

You’ll be surprised at how much energy you can save by simply turning things off properly when not in use.

6. Try a Few Clever Gadgets

From solar-powered phone chargers to simple draught excluders, a few well-chosen gadgets can make your home more energy-efficient without spending much.

You don't have to spend money on tricks or unnecessary extras—but investing in smart, practical tools can give you a great return in the long run.

Solar-powered garden lights, for example, give your outdoor space a warm glow without increasing your energy bills. Small gadgets like these may not cost much, but they make a noticeable difference.

7. Insulate Your Hot Water Tank and Pipes

Want to keep your hot water hotter for longer? Add a lagging jacket to your tank and use foam pipe insulation on any exposed hot water pipes.

These are quick, affordable DIY jobs, and they usually pay for themselves within a year through reduced heating costs. A small effort with lasting benefits.

Plus, you’ll notice a more consistent temperature, especially on those chilly winter mornings.

8. Only Heat the Water You Actually Need

Boiling a full kettle when you only want one cup? That’s energy down the drain. Next time, just fill it with what you need—it boils faster and saves power.

The same goes for your immersion heater. If you're only rinsing a few dishes or need a quick wash-up, there’s no need to leave it on for hours.

A little planning goes a long way in cutting energy waste. You don’t need to overdo it when it comes to heating water—just do what’s necessary.

9. Be Smart with Your Washing Machine

Laundry doesn’t have to drain your energy budget. Washing at 30°C and using shorter cycles can cut electricity use significantly—without compromising on cleanliness.

Modern detergents are designed to work well in cooler water, so feel free to turn down the heat and still get fresh, clean clothes.

If you have a full load, don’t be tempted to wash small batches—washing a full load is far more efficient.

10. Pick Showers Over Baths

A warm bath can be a treat, but it’s a costly one—showers typically use up to five times less energy and water.

For busy households, showers are not only more energy-efficient but also a massive time-saver. A quick rinse is all it takes—especially compared to the water and energy needed to fill up a bath.

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Conclusion

Making your home more energy-efficient doesn’t have to be complicated or expensive.

By following these ten ways to make your home more energy efficient, you can start saving money, reducing waste, and living a more sustainable life—one light switch, gadget, or cup of tea at a time. These simple, practical steps will help you create a greener, more cost-effective home.

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Frequently Asked Questions

Why should I make my home more energy efficient?

Making your home more energy efficient can help reduce your energy bills, lower your carbon footprint, and contribute to environmental sustainability. It’s a win for both your wallet and the planet. Simple changes, like using energy-efficient appliances or reducing water heating, can make a significant difference over time.

How can a thermostat save me money?

A thermostat helps maintain a consistent temperature in your home, preventing unnecessary heating or cooling. By lowering the temperature by just 1°C, you could reduce your heating costs by up to 10%. This simple step helps keep your energy consumption in check, leading to lower bills.

What is the EU Energy Label, and why is it important?

The EU Energy Label is a rating system that shows how energy-efficient an appliance is, ranging from A (most efficient) to G (least efficient). Choosing appliances with higher ratings (like A or A+) can significantly reduce your energy consumption and long-term running costs.

Do energy-saving light bulbs really make a difference?

Yes! LED and CFL bulbs use up to 85% less energy than traditional incandescent bulbs and last much longer—up to 12 times longer. This means significant savings on your electricity bill and fewer light bulb replacements over time.

How can I reduce my energy use when doing laundry?

Washing clothes at lower temperatures (30°C) and using shorter wash cycles can drastically reduce your energy consumption. Modern cold-water detergents are designed to clean clothes effectively without the need for hot water, helping you save energy while still getting clean clothes.

Is it worth investing in energy-saving gadgets?

Yes, certain gadgets, such as solar-powered chargers and draught excluders, can help reduce your energy use without costing a lot upfront. These small investments often pay off in the long run through energy savings and increased efficiency. Consider looking into eco-friendly gadgets that suit your home and lifestyle.

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*FYI, parts of this blog post were drafted by artificial technlogy. But rest assured, it's been thoroughly researched, edited, reviewed and me & my team.
Author Fahad Zahid
Founder @ Going Solar

Joe Brennan, the founder of Going Solar, is dedicated to making solar power mainstream in Ireland and meet SEAI objectives. With a focus on affordability and sustainability, he is bringing renewable energy solutions to homes, reducing costs & environmental impact.