Stay Cool & Save: Eco-Friendly Evaporative Cooler Rentals

CAS Hire is a leading supplier of portable cooling solutions in the UK and our huge range of evaporative air coolers for hire means that you can choose the perfect unit for your needs.

Why choose CAS Hire for air cooler rental?

  • Eco-Friendly Cooling: Keep cool and save the planet! Evaporative coolers do not use refrigerant gas and use less energy than traditional air conditioners, making them a more sustainable option.
  • Perfect for Any Space: We offer a variety of sizes and capacities to ensure you find the ideal cooler for your specific needs.
  • Flexible Rental Options: Rent for a week, a month, or the entire season – the choice is yours!
  • UK-Wide Delivery: Get your cooler delivered straight to your doorstep, anywhere in Britain.
  • Expert Help Available: Our knowledgeable staff is here to answer your questions and recommend the best cooler for your space.

Evaporative Cooler Hire Range

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Air Coolers are perfect for:

  • Education
  • Healthcare
  • Shops
  • Offices
  • Fitness centres
  • Retail
  • Hospitals
  • Schools
  • Museums
  • TV production areas
  • Manufacturing
  • Factory production lines
  • Nightclubs
  • Stables and kennels
  • Agricultural
  • Military

How do Air Coolers work?

Evaporative coolers, sometimes called swamp coolers or air coolers, offer a refreshing alternative to traditional air conditioning. Here's how they bring cool comfort to your space:

Fresh Air Circulation: Unlike traditional air conditioning units that recirculate the same air, evaporative coolers act like giant fans. They gently draw in fresh air from outside, keeping your environment feeling invigorated and healthy.

The Power of Evaporation: Imagine a cool breeze by the seaside. Evaporative coolers work in a similar way. They draw warm air through water-saturated pads. As the water evaporates, it absorbs heat from the air, creating a cool and refreshing breeze.

Natural Cooling Process: Evaporative coolers don’t use compressors and condensers found in traditional air conditioning. Instead, they rely on a natural phenomenon – the latent heat of vaporisation. When water changes from a liquid to a gas (vapour), it absorbs a significant amount of heat. This is the same way our bodies cool down through sweating!

Advantages and Disadvantages of Evaporative Air Coolers

Effortless Cool Comfort & Fresh Air Focus: Unlike traditional air conditioners that require bulky hoses to vent heat outdoors, evaporative coolers are truly portable. Simply set them up and enjoy a cool breeze with a breath of fresh air, as they draw in fresh air from outside. Remember, good ventilation helps them perform at their best.

Energy-Friendly and Cost-Conscious: Evaporative coolers remove the need for refrigerant gas, making them a fantastic eco-friendly choice. They also use significantly less energy than traditional air conditioners.

Simple Maintenance: This method of air cooling, if used for long periods, will require the unit to be cleaned thoroughly and regularly by using sterilising tablets or fluid (monthly).

Considering Climate: Evaporative coolers work best in dry climates. In very humid environments, their cooling effect might be slightly less noticeable. However, for most British summers, they offer a refreshing and eco-friendly way to beat the heat.

A note: To optimise performance, it's recommended to use evaporative coolers in well-ventilated areas.

What size of air cooler do I need and how much does it cost to run?

EC48

It costs around twenty-four pence (24p) per hour for 1kW of electricity. (Energy rates based on UK average costings in Oct 2024) On each product, we display the wattage so therefore EC48 140w machine will cost around three (3) pence per hour depending on what you pay for your electricity.

EC48 Evaporative air cooler has an approximate effective area of up to 57m2 however these units are only as efficient as the water temperature inside is cool. Therefore, we recommend topping up regularly or adding ice to the water supply tray so that as it melts it keeps the water temperature cooler for longer.

EC60

It costs around twenty-four pence (24p) per hour for 1kW of electricity. (Energy rates based on UK average costings in Oct 2024) On each product, we display the wattage so therefore EC60 220w machine will cost approximately five (5p) pence per hour depending on what you pay for your electricity.

EC60 Evaporative air cooler has an approximate effective area of up to 80m2. Evaporative air coolers are only as efficient as the water temperature inside. Therefore, we recommend topping up water levels regularly or adding ice to the water supply tray so that as it melts it keeps the water temperature cooler for longer.

REX14

It costs around twenty-four pence (24p) per hour for 1kW of electricity. (Energy rates based on UK average costings in Oct 2024) On each product, we display the running current in Watts/hr so the REX14 requires 510w per machine therefore running costs would be approximately twelve (12p) pence per hour depending on what you pay for your electricity.

REX14 Evaporative air cooler has an approximate effective area of up to 120m2. Evaporative air coolers require regular topping up with cold water to ensure best performance. Therefore, we recommend topping up water levels regularly or adding ice to the water supply tray so that as it melts it keeps the water temperature cooler for longer.

REX25

It costs around twenty-four pence (24p) per hour for 1kW of electricity. (Energy rates based on UK average costings in Oct 2024) On each product, we display the running current in Watts/hr so the REX25 requires 850w per machine therefore running costs would be approximately twenty-one pence (21p) per hour depending on what you pay for your electricity.

REX25 Evaporative air cooler has an approximate effective area of up to 250m2. Evaporative air coolers require regular topping up with cold water to ensure best performance. Therefore, we recommend topping up or refreshing water levels regularly.

REX48

It costs around twenty-four pence (24p) per hour for 1kW of electricity. (Energy rates based on UK average costings in Oct 2024) On each product, we display the running current in Watts/hr so the REX48 requires 1100w per machine therefore running costs would be approximately twenty-seven pence (27p) per hour depending on what you pay for your electricity.

REX48 Evaporative air cooler has an approximate effective area of up to 500m2. Evaporative air coolers require regular topping up with cold water to ensure optimum efficiency. Therefore, we recommend refreshing water levels frequently.

ECBC341

It costs around twenty-four pence (24p) per hour for 1kW of electricity. (Energy rates based on UK average costings in Oct 2024) On each product, we display the running current in Watts/hr so the ECBC341 requires 1050w per machine therefore running costs would be approximately twenty-six pence (26p) per hour depending on what you pay for your electricity.

ECBC341 Evaporative air cooler has an approximate effective area of up to 500m2. Evaporative air coolers require regular topping up with cold water to ensure optimum efficiency. Therefore, we recommend refreshing water levels frequently.

ECBC451

It costs around twenty-four pence (24p) per hour for 1kW of electricity. (Energy rates based on UK average costings in Oct 2024) On each product, we display the running current in Watts/hr so the ECBC451 requires 1100w per machine therefore running costs would be approximately twenty-seven pence (27p) per hour depending on what you pay for your electricity.

ECBC451 Evaporative air cooler has an approximate effective area of up to 600m2. Evaporative air coolers require regular topping up with cold water to ensure optimum efficiency. Therefore, we recommend refreshing water levels frequently.

Energy rates based on UK average costings in 2024 and effective area.

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