How To Reduce Fridge Freezer Running Costs
Reference table
| Door seals | Cold air leakage | Clean or replace damaged seals |
|---|---|---|
| Ventilation | Compressor workload | Leave space behind appliance |
| Ice buildup | Efficiency loss | Defrost manual freezers |
What to know
Fridge freezers are low power but run all year, so small inefficiencies compound.
Practical guidance
Over-cooling wastes energy. Use a fridge thermometer rather than guessing.
How to use this
A noisy or constantly running compressor may indicate a fault or poor ventilation.
FAQs
What fridge temperature is best?
Usually 3-5C for the fridge.
What freezer temperature is best?
Around -18C is standard.
Does opening the door matter?
Frequent or long openings increase cooling demand.
Can I turn it off?
Not for normal use; food safety is the priority.
Last reviewed 3 May 2026. Source: Ofgem energy price cap. Figures are estimates. Actual prices vary by region, supplier, tariff, payment method and meter type.