| [Go to products] How would you like to keep cool this summer? We have been supplying air improvement products to homes and businesses throughout the UK and internationally for over 20 years saving heat and energy by use of heat recovery ventilation products. Now we have extended our expertise to cover low energy and highly efficient air conditioning to keep you cool on hot summer days. How to choose the right air conditioner The cooling output of all air conditioners is measured in BTU's. (British Thermal Units). It is very important that you choose an air conditioner with a BTU output which is high enough to cool your whole room.
To work out how many BTU's are needed to cool your room, follow the simple calculation below: Room Width x Length x Height ( measure in feet ).
This gives you your room size in Cubic Feet. Now multiply your cubic feet figure by 5. This will give you your required BTU figure. For example, room size 12ft x 15ft x 8ft = 1440 x 5 = 7200 BTU cooling requirement. (These calculations are only a rough guide and allow for a room with two or three people and perhaps a photocopier and computer. For each additional person or PC add another 400 BTU's to your total.) WARNING. If you choose an air conditioner whose BTU output is less than that required for your room, it will only work as a 'spot cooler' and will not reduce the overall temperature of the room. To discuss your personal requirements, please email us or contact us on local call 08456 44 6001 or 020 8463 9660.
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