Running costs vary, but on average: a fan costs around 1.5p per hour, a modern air conditioning unit costs about 28p per hour for cooling, and a portable electric heater costs roughly 56p per hour (based on 28p per kWh, Ofgem 2024). Because air conditioning uses heat pump technology, heating a room with it can be as little as 14p per hour—less than half the cost of a plug-in heater.
When summer nights are hot or the spring chill lingers, most of us reach for a fan or plug-in heater. But with modern air conditioning now available for UK homes, many homeowners are asking: is it more expensive to run?
Here’s a clear look at the costs, what affects them, and why air conditioning could save you money in the long run.
Running costs: fan vs heater vs air conditioning
To keep things simple, let’s use a typical UK electricity rate of 28p per kWh (Ofgem 2024).
- Portable fan (50W) – Around 1.5p per hour
- Electric heater (2kW) – Around 56p per hour
- Modern air conditioning unit (1kW on cooling) – Around 28p per hour
Heating with air conditioning is even more efficient. Thanks to heat pump technology, many systems deliver 3–4 units of heat for every 1 unit of electricity used. That means warming a room with air conditioning can cost as little as 14p per hour, less than half the price of a plug-in heater.
Why air conditioning makes sense in the UK
It’s not just about cooling during a heatwave. A modern air conditioning system offers year-round benefits:
- Energy-efficient heating in spring and autumn without firing up the boiler
- Cleaner, filtered air that removes dust and allergens
- Quiet comfort compared to a whirring fan or noisy heater
- Smart controls so you can run it only when needed
Think of it like this: a fan stirs the air, a heater guzzles power, but air conditioning gives you precise, efficient comfort.
Factors that affect running costs
The actual cost for your home will depend on:
- Room size – Larger rooms need more power to heat or cool
- System efficiency – Look for A++ rated units like the Bosch Climate 3000i
- Usage habits – Leaving it on all day will always cost more
- Insulation – A well-insulated room stays cooler in summer and warmer in winter
A quick home assessment with our engineers can help you find the right size system for your needs—without overspending.
Is air conditioning worth it?
If you only need the odd breeze, a fan is cheapest. But if you want year-round comfort, lower heating bills, and cleaner air, air conditioning offers far better value.
With energy-efficient Worcester Bosch air conditioning systems and Videtta’s expert installation, many Bedfordshire families are finding it’s not just about comfort—it’s about smart running costs too.
Next step
Want to see what air conditioning could cost in your home? Our friendly local team offers free home assessments and tailored quotes across Leighton Buzzard, Milton Keynes, Bedford and the wider area.
📞 Call us on 07821 301287 or visit our air conditioning page to request a home visit and quote
