In order that you purchase the correct sized radiators for your room size, type of insulation and location, please use our handy calculator based on industry specifications. If your wattage calculation is higher than the available radiators that we stock, we can combine multiple radiators which will heat your rooms in the most effective manner. Fitting the correct radiators will mean that they do not work as hard to warm your room – which in turm will increase their lifespan and SAVE YOU MONEY.