Easy Ways to Save Energy at Home

Start With the Cheapest Wins

The cheapest energy is the energy you never use. Before spending on solar panels or new appliances, capture the free and low-cost savings first - most households can cut bills by 20-30% this way within a year.

Seal draughts: Draught-proofing doors and windows is one of the highest-return improvements in any climate.
Switch to LED bulbs: They use up to 90% less electricity than old incandescents and last for years.
Kill standby power: Devices left on standby can be 5-10% of your electricity bill. Switch off at the wall or use power strips.

Heating & Cooling

Heating and cooling are usually the largest part of a home energy bill, so small adjustments add up fast.

Adjust the thermostat: Lowering heating by 1°C or raising cooling by 1°C noticeably cuts energy use.
Heat or cool only occupied rooms, and close doors to contain it.
Use curtains wisely: Open them to sunny windows in winter for free warmth; close them against the sun in summer.
Insulate the roof and any accessible gaps - it pays back for years.
Layer up before turning the heat higher.

Appliances & Hot Water

Wash in cold water and run full loads; air-dry instead of tumble-drying.
Boil only the water you need in the kettle.
Use lids when cooking and match pot size to the burner.
Set the fridge sensibly (around 4°C) and keep coils dust-free.
Choose high-efficiency models when appliances need replacing - the running-cost savings repay the difference.

Going Further

Once you've captured the easy wins, consider bigger steps: a heat pump for efficient heating and cooling, rooftop or community solar, or a solar water heater. Many regions offer rebates and low-interest loans that make these far more affordable than people expect.

For renewable options at every budget, see our energy & technology guide.

Frequently Asked Questions

What's the fastest way to cut my energy bill?

Conservation: seal draughts, switch to LED bulbs, eliminate standby power, and adjust heating or cooling by a degree. These cost little and typically save 20-30% within the first year.

Does turning the thermostat down really help?

Yes - heating and cooling dominate most energy bills, so even a 1°C change produces a noticeable, ongoing saving.

Is standby power a big deal?

It adds up. Devices on standby can account for 5-10% of home electricity. Switching off at the wall or using power strips reclaims that.

Should I buy solar panels?

Often worthwhile once you've done conservation first, especially with local incentives. Renters can look into community solar or plug-in solar where permitted.