Fans vs Air Coolers vs Air Conditioning: Which Is Best During a Heatwave?

De'Longhi Pinguino 2.6kW Eco Silent Portable Air Conditioning Unit 10500 BTU PAC EM93

During a heatwave and when temperatures begin to rise over the summer, keeping your home cool and comfortable becomes a top priority. But with so many cooling solutions available, it can be difficult to know which option is right for your space, lifestyle and budget.

At Plumbworld, we offer a wide range of cooling products including fans, air coolers and portable air conditioning units. Each option works differently and comes with its own advantages, making them suitable for different homes and cooling needs.

Below, we explain the differences between fans, air coolers and portable air conditioners, along with their key benefits and who they’re best suited for, making it easier for you to choose the right option. 


What’s the Difference Between Fans, Air Coolers and Portable Air Conditioners?

The main difference comes down to how each appliance cools the air. 

  • Fans circulate air around a room to create a cooling breeze
  • Air coolers use water evaporation to lower the temperature of the air
  • Portable air conditioners actively remove heat from a room to reduce the overall temperature

If you’re looking for the most affordable and simple option, a fan may be enough for you. For more noticeable cooling without the higher running costs of air conditioning, an air cooler is going to be a great middle ground for most homes. If you want powerful cooling during prolonged heatwaves where your home struggles to keep cool, a portable air conditioner is the most effective solution.


Fans: Simple, Affordable Cooling

Status 32" 3 Speed Oscillating Tower Fan White - S32TOWERFANR

Fans are one of the most popular and cost-effective ways to stay cool during warmer weather. They work by circulating air around the room, helping sweat evaporate from your skin more quickly and creating a cooling sensation. 

Key Benefits of Fans

  • Affordable to buy and run
  • Lightweight and portable
  • Easy to use with no installation required
  • Available in a range of styles including tower, pedestal and desk fans
  • Ideal for improving airflow in bedrooms, offices and living spaces

Fans do not actually reduce the temperature of a room, but they can make you feel cooler by improving the air circulation. This makes them a practical everyday option for mild to moderately warm weather.

Who Are Fans Best For?

Fans are ideal for:

  • Smaller rooms
  • People looking for a low-cost cooling option
  • Home offices and bedrooms
  • Occasional use during warmer days
  • Anyone wanting a portable solution that can easily move between rooms

You can browse our full range of fans here


Air Coolers: A Step Up From Fans

Air Conditioning Centre iKool Air Cooler IKOOL50PLUS

Air coolers offer more effective cooling than a standard fan while remaining more affordable than air conditioning units. They work by passing warm air through water-soaked cooling pads, which helps lower the air temperature before it’s circulated back into the room.

Unlike portable air conditioners, air coolers do not require a hose or window vent, making them easy to position almost anywhere in the home.

Key Benefits of Air Coolers

  • Cooler airflow than a standard fan
  • Lower energy consumption than air conditioning
  • No installation or window venting needed
  • Portable and easy to move around
  • Some models include humidifying functions

Air coolers are often quieter and cheaper to run than portable air conditioners, making them a popular option for everyday summer comfort.

Things to Consider

Air coolers work best in warm, dry conditions. In humid weather, they may be less effective because the air already contains a higher level of moisture.

Who Are Air Coolers Best For?

Air coolers are ideal for:

  • Medium-sized rooms
  • Homes that need more cooling than a fan can provide
  • People looking for lower running costs
  • Renters who cannot install fixed air conditioning
  • Users who want portable cooling without venting requirements

You can browse our full range of air coolers here


Portable Air Conditioners: Powerful Cooling for Hot Weather

Air Conditioning Centre 4kW Industrial Portable Air Conditioning Unit - 14000 BTU iPAC-40

Portable air conditioners are the most effective option for cooling indoor spaces. Unlike fans and air coolers, they actively remove heat from the air to lower the temperature of the room. 

Most portable air con units use a venting hose that sits through a nearby window to expel warm air outside.

Many modern models also include additional features such as fan modes, dehumidifiers, timers and smart controls.

Key Benefits of Portable Air Conditioners

  • Delivers powerful cooling during heatwaves
  • Lowers the actual room temperature
  • Helps reduce humidity
  • Suitable for larger or warmer spaces
  • Many models include multiple operating modes
  • Portable and easier to install than fixed systems

Portable air con units are particularly effective in bedrooms, conservatories, home offices and living rooms that become uncomfortable during hot weather.

Things to Consider

It’s worth knowing that portable air conditioning units are typically more expensive to buy and run than fans or air coolers. They also require a nearby window or vent for the exhaust hose. 

Who Are Portable Air Conditioners Best For?

Portable air conditioners are ideal for:

  • Larger rooms
  • Homes that become very hot in summer
  • People who want fast, effective cooling
  • Bedrooms where sleeping comfortably is difficult in warm weather
  • Users looking for additional dehumidifying features

Browse our portable air conditioning units products here


Which Cooling Option Is Right for You?

Choosing the right cooling solution depends on your room size, budget and how much cooling power you need.

Which cooling option is right for you during a UK heatwave?

If you simply want better airflow, a fan is a great choice. If you want noticeably cooler air without the higher cost of air conditioning, an air cooler offers a good balance. For maximum comfort during extreme heat, a portable air conditioner provides the strongest cooling performance.


Ready to Choose a Cooling Option For Your Home? 

Whether you’re preparing for the upcoming summer heatwaves or simply want a more comfortable home, Plumbworld has a wide range of cooling solutions to suit every space and budget.

From affordable fans to powerful portable air conditioning units, you’ll find everything you need to stay cool all summer long. You can browse Plumbworld's full range of ventilations options for the home right here.



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